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[Bug 1348783] [NEW] BUG: unable to handle kernel paging request at 000000014d2e0000

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Brad Figg <brad.figg@xxxxxxxxxxxxx>
Date: Fri, 25 Jul 2014 19:43:54 -0000
Reply-to: Bug 1348783 <1348783@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Jul 25 19:27:17 nori kernel: [66379.795694] BUG: unable to handle kernel paging request at 000000014d2e0000
Jul 25 19:27:17 nori kernel: [66379.812493] IP: [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
Jul 25 19:27:17 nori kernel: [66379.831234] PGD 0
Jul 25 19:27:17 nori kernel: [66379.850046] Oops: 0000 [#1] SMP
Jul 25 19:27:17 nori kernel: [66379.869895] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
Jul 25 19:27:17 nori kernel: [66380.168885] CPU: 14 PID: 103885 Comm: sh Not tainted 3.13.0-32-generic #57-Ubuntu
Jul 25 19:27:17 nori kernel: [66380.258197] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
Jul 25 19:27:17 nori kernel: [66380.358022] task: ffff8802edc2afe0 ti: ffff88036291c000 task.ti: ffff88036291c000
Jul 25 19:27:17 nori kernel: [66380.465581] RIP: 0010:[<ffffffff811a4383>]  [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
Jul 25 19:27:17 nori kernel: [66380.583742] RSP: 0018:ffff88036291db40  EFLAGS: 00010246
Jul 25 19:27:17 nori kernel: [66380.644603] RAX: 0000000000000000 RBX: ffff8808675ebc00 RCX: 00000000000fb9d0
Jul 25 19:27:17 nori kernel: [66380.708225] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 00000000000172a0
Jul 25 19:27:17 nori kernel: [66380.772816] RBP: ffff88036291db88 R08: ffff88086ec172a0 R09: ffff88046f007500
Jul 25 19:27:17 nori kernel: [66380.839062] R10: ffff88046f007500 R11: 0000000000000000 R12: 0000000000010220
Jul 25 19:27:17 nori kernel: [66380.906511] R13: 0000000000000240 R14: 000000014d2e0000 R15: 00000000ffffffff
Jul 25 19:27:17 nori kernel: [66380.974921] FS:  00007f27578a5740(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
Jul 25 19:27:17 nori kernel: [66381.115285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 25 19:27:17 nori kernel: [66381.186855] CR2: 000000014d2e0000 CR3: 0000000001c0e000 CR4: 00000000001427e0
Jul 25 19:27:17 nori kernel: [66381.258606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 25 19:27:17 nori kernel: [66381.328846] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jul 25 19:27:17 nori kernel: [66381.398830] Stack:
Jul 25 19:27:17 nori kernel: [66381.466659]  0000000100000000 ffff8808675e9d00 ffffffff81cda240 ffffffff81610e7e
Jul 25 19:27:17 nori kernel: [66381.603116]  ffff8808675ebc00 ffff88036291dbe7 0000000000000020 0000000000000240
Jul 25 19:27:17 nori kernel: [66381.739357]  00000000ffffffff ffff88036291dbc8 ffffffff816104f1 0000000000000000
Jul 25 19:27:17 nori kernel: [66381.875702] Call Trace:
Jul 25 19:27:17 nori kernel: [66381.941497]  [<ffffffff81610e7e>] ? __alloc_skb+0x7e/0x2b0
Jul 25 19:27:17 nori kernel: [66382.007712]  [<ffffffff816104f1>] __kmalloc_reserve.isra.25+0x31/0x90
Jul 25 19:27:17 nori kernel: [66382.073028]  [<ffffffff81610e7e>] __alloc_skb+0x7e/0x2b0
Jul 25 19:27:17 nori kernel: [66382.136843]  [<ffffffffa02ca1c6>] ? br_port_state_selection+0x106/0x180 [bridge]
Jul 25 19:27:17 nori kernel: [66382.261982]  [<ffffffffa02cc511>] br_ifinfo_notify+0x51/0x130 [bridge]
Jul 25 19:27:17 nori kernel: [66382.325572]  [<ffffffffa02cb01a>] ? br_stp_disable_port+0xba/0xf0 [bridge]
Jul 25 19:27:17 nori kernel: [66382.388304]  [<ffffffffa02c7aa9>] del_nbp+0x59/0x100 [bridge]
Jul 25 19:27:17 nori kernel: [66382.449596]  [<ffffffffa02c8426>] br_del_if+0x36/0x80 [bridge]
Jul 25 19:27:17 nori kernel: [66382.509518]  [<ffffffffa02c963b>] br_device_event+0x12b/0x230 [bridge]
Jul 25 19:27:17 nori kernel: [66382.569120]  [<ffffffff8172817c>] notifier_call_chain+0x4c/0x70
Jul 25 19:27:17 nori kernel: [66382.627934]  [<ffffffff8108fbb6>] raw_notifier_call_chain+0x16/0x20
Jul 25 19:27:17 nori kernel: [66382.687319]  [<ffffffff8161bde5>] call_netdevice_notifiers_info+0x35/0x60
Jul 25 19:27:17 nori kernel: [66382.746778]  [<ffffffff8161d159>] rollback_registered_many+0x189/0x2a0
Jul 25 19:27:17 nori kernel: [66382.806133]  [<ffffffff8161d29d>] rollback_registered+0x2d/0x40
Jul 25 19:27:17 nori kernel: [66382.864798]  [<ffffffff8161dc28>] unregister_netdevice_queue+0x58/0xc0
Jul 25 19:27:17 nori kernel: [66382.923145]  [<ffffffff81522a42>] __tun_detach+0x2a2/0x2e0
Jul 25 19:27:17 nori kernel: [66382.980119]  [<ffffffff81522aac>] tun_chr_close+0x2c/0x50
Jul 25 19:27:17 nori kernel: [66383.036058]  [<ffffffff811be6d4>] __fput+0xe4/0x260
Jul 25 19:27:17 nori kernel: [66383.091058]  [<ffffffff811be89e>] ____fput+0xe/0x10
Jul 25 19:27:17 nori kernel: [66383.145846]  [<ffffffff81088174>] task_work_run+0xc4/0xe0
Jul 25 19:27:17 nori kernel: [66383.201601]  [<ffffffff81069c18>] do_exit+0x2b8/0xa50
Jul 25 19:27:17 nori kernel: [66383.256060]  [<ffffffff8109ddf4>] ? vtime_account_user+0x54/0x60
Jul 25 19:27:17 nori kernel: [66383.309908]  [<ffffffff8106a42f>] do_group_exit+0x3f/0xa0
Jul 25 19:27:17 nori kernel: [66383.362286]  [<ffffffff8106a4a4>] SyS_exit_group+0x14/0x20
Jul 25 19:27:17 nori kernel: [66383.413082]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
Jul 25 19:27:17 nori kernel: [66383.462181] Code: 4c 89 cf 44 89 e6 4c 89 4d c8 e8 69 a3 00 00 4c 8b 4d c8 49 89 c2 e9 01 ff ff ff 0f 1f 44 00 00 49 63 42 20 48 8d 4a 01 49 8b 3a <49> 8b 1c 06 4c 89 f0 65 48 0f c7 0f 0f 94 c0 84 c0 0f 84 da fe
Jul 25 19:27:17 nori kernel: [66383.612991] RIP  [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
Jul 25 19:27:17 nori kernel: [66383.664397]  RSP <ffff88036291db40>
Jul 25 19:27:17 nori kernel: [66383.715119] CR2: 000000014d2e0000
Jul 25 19:27:17 nori kernel: [66383.851637] ---[ end trace e035f1f000edf180 ]---
Jul 25 19:27:17 nori kernel: [66383.901747] Fixing recursive fault but reboot is needed!
Jul 25 19:27:27 nori kernel: [66389.591372] BUG: unable to handle kernel paging request at 000000014d2e0000
Jul 25 19:27:27 nori kernel: [66389.641633] IP: [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
Jul 25 19:27:27 nori kernel: [66389.692147] PGD 0
Jul 25 19:27:27 nori kernel: [66389.741256] Oops: 0000 [#2] SMP
Jul 25 19:27:27 nori kernel: [66389.790357] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
Jul 25 19:27:27 nori kernel: [66390.299276] CPU: 14 PID: 1152 Comm: kipmi0 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
Jul 25 19:27:27 nori kernel: [66390.423259] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
Jul 25 19:27:27 nori kernel: [66390.553718] task: ffff88085d232fe0 ti: ffff8808663b2000 task.ti: ffff8808663b2000
Jul 25 19:27:27 nori kernel: [66390.688121] RIP: 0010:[<ffffffff811a1e10>]  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
Jul 25 19:27:27 nori kernel: [66390.829129] RSP: 0018:ffff8808663b3df8  EFLAGS: 00010086
Jul 25 19:27:27 nori kernel: [66390.900556] RAX: 0000000000000000 RBX: ffff8808659dde00 RCX: 00000000000fb9d0
Jul 25 19:27:27 nori kernel: [66390.972200] RDX: 00000000000fb9cf RSI: 0000000000000020 RDI: ffff88046f007500
Jul 25 19:27:27 nori kernel: [66391.043556] RBP: ffff8808663b3e30 R08: 00000000000172a0 R09: ffff88046f007500
Jul 25 19:27:27 nori kernel: [66391.113329] R10: ffffffff813e422f R11: 0000000000000005 R12: 000000014d2e0000
Jul 25 19:27:27 nori kernel: [66391.182279] R13: 0000000000000020 R14: 0000000000000250 R15: ffff88046f007500
Jul 25 19:27:27 nori kernel: [66391.251654] FS:  0000000000000000(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
Jul 25 19:27:27 nori kernel: [66391.389620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 25 19:27:27 nori kernel: [66391.459354] CR2: 000000014d2e0000 CR3: 0000000001c0e000 CR4: 00000000001427e0
Jul 25 19:27:27 nori kernel: [66391.529449] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 25 19:27:27 nori kernel: [66391.598219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jul 25 19:27:27 nori kernel: [66391.666694] Stack:
Jul 25 19:27:27 nori kernel: [66391.733159]  ffff880868bdc000 ffffffff810741f0 ffff8808659dde00 0000000000000004
Jul 25 19:27:27 nori kernel: [66391.866951]  0000000000000246 0000000000000004 0000000000000000 ffff8808663b3e40
Jul 25 19:27:27 nori kernel: [66392.000563]  ffffffff813e422f ffff8808663b3e78 ffffffffa00c729c 0000000000000246
Jul 25 19:27:27 nori kernel: [66392.134403] Call Trace:
Jul 25 19:27:27 nori kernel: [66392.198835]  [<ffffffff810741f0>] ? ftrace_raw_output_tick_stop+0x70/0x70
Jul 25 19:27:27 nori kernel: [66392.264655]  [<ffffffff813e422f>] ipmi_alloc_smi_msg+0x1f/0x40
Jul 25 19:27:27 nori kernel: [66392.329473]  [<ffffffffa00c729c>] smi_event_handler+0x15c/0x530 [ipmi_si]
Jul 25 19:27:27 nori kernel: [66392.394215]  [<ffffffffa00c821e>] ipmi_thread+0x5e/0x1a0 [ipmi_si]
Jul 25 19:27:27 nori kernel: [66392.457697]  [<ffffffffa00c81c0>] ? sender+0x1a0/0x1a0 [ipmi_si]
Jul 25 19:27:27 nori kernel: [66392.519882]  [<ffffffffa00c81c0>] ? sender+0x1a0/0x1a0 [ipmi_si]
Jul 25 19:27:27 nori kernel: [66392.579665]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
Jul 25 19:27:27 nori kernel: [66392.637723]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
Jul 25 19:27:27 nori kernel: [66392.695351]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
Jul 25 19:27:27 nori kernel: [66392.751390]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
Jul 25 19:27:27 nori kernel: [66392.807538] Code: dc 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 14 01 00 00 48 85 c0 0f 84 0b 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63
Jul 25 19:27:27 nori kernel: [66392.983466] RIP  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
Jul 25 19:27:27 nori kernel: [66393.042596]  RSP <ffff8808663b3df8>
Jul 25 19:27:27 nori kernel: [66393.101158] CR2: 000000014d2e0000
Jul 25 19:27:27 nori kernel: [66393.158822] ---[ end trace e035f1f000edf181 ]---
Jul 25 19:27:42 nori kernel: [66404.658420] BUG: unable to handle kernel paging request at 000000014d2e0000
Jul 25 19:27:42 nori kernel: [66404.716802] IP: [<ffffffff811a1775>] __kmalloc+0x95/0x230
Jul 25 19:27:42 nori kernel: [66404.774884] PGD 0
Jul 25 19:27:42 nori kernel: [66404.832364] Oops: 0000 [#3] SMP
Jul 25 19:27:42 nori kernel: [66404.890684] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
Jul 25 19:27:42 nori kernel: [66405.438353] CPU: 14 PID: 104284 Comm: qemu-system-x86 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
Jul 25 19:27:42 nori kernel: [66405.562731] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
Jul 25 19:27:42 nori kernel: [66405.691280] task: ffff880865d7afe0 ti: ffff8803f4a18000 task.ti: ffff8803f4a18000
Jul 25 19:27:42 nori kernel: [66405.826118] RIP: 0010:[<ffffffff811a1775>]  [<ffffffff811a1775>] __kmalloc+0x95/0x230
Jul 25 19:27:42 nori kernel: [66405.965738] RSP: 0018:ffff8803f4a19dc8  EFLAGS: 00010286
Jul 25 19:27:42 nori kernel: [66406.036951] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000000fb9d0
Jul 25 19:27:42 nori kernel: [66406.108697] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 000000000000026f
Jul 25 19:27:42 nori kernel: [66406.178647] RBP: ffff8803f4a19df8 R08: 00000000000172a0 R09: ffffffff811bd7a6
Jul 25 19:27:42 nori kernel: [66406.248491] R10: ffff88046f007500 R11: 0000000000000293 R12: 00000000000000d0
Jul 25 19:27:42 nori kernel: [66406.317187] R13: 000000014d2e0000 R14: 0000000000000270 R15: ffff88046f007500
Jul 25 19:27:42 nori kernel: [66406.385016] FS:  00007f6230ff9700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
Jul 25 19:27:42 nori kernel: [66406.521579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 25 19:27:42 nori kernel: [66406.590810] CR2: 000000014d2e0000 CR3: 0000000858de0000 CR4: 00000000001427e0
Jul 25 19:27:42 nori kernel: [66406.660296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 25 19:27:42 nori kernel: [66406.729025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jul 25 19:27:42 nori kernel: [66406.797574] Stack:
Jul 25 19:27:42 nori kernel: [66406.864073]  ffffffff811bd7a6 0000000000000001 ffff8803f4a19e70 ffff8803f4a19e68
Jul 25 19:27:42 nori kernel: [66406.997834]  0000000000000027 00007f63633fad00 ffff8803f4a19e38 ffffffff811bd7a6
Jul 25 19:27:42 nori kernel: [66407.131275]  0000000000000270 ffff880858834e00 0000000000000001 ffff8803f4a19e70
Jul 25 19:27:42 nori kernel: [66407.264712] Call Trace:
Jul 25 19:27:42 nori kernel: [66407.328993]  [<ffffffff811bd7a6>] ? rw_copy_check_uvector+0x56/0x120
Jul 25 19:27:42 nori kernel: [66407.394418]  [<ffffffff811bd7a6>] rw_copy_check_uvector+0x56/0x120
Jul 25 19:27:42 nori kernel: [66407.458833]  [<ffffffff811bd8bd>] do_readv_writev+0x4d/0x220
Jul 25 19:27:42 nori kernel: [66407.522174]  [<ffffffff8111155c>] ? acct_account_cputime+0x1c/0x20
Jul 25 19:27:42 nori kernel: [66407.584577]  [<ffffffff8109d7db>] ? account_user_time+0x8b/0xa0
Jul 25 19:27:42 nori kernel: [66407.645434]  [<ffffffff8110dd43>] ? __secure_computing+0x73/0x260
Jul 25 19:27:42 nori kernel: [66407.705142]  [<ffffffff811bdb10>] vfs_writev+0x30/0x60
Jul 25 19:27:42 nori kernel: [66407.763194]  [<ffffffff811bde32>] SyS_pwritev+0xa2/0xd0
Jul 25 19:27:42 nori kernel: [66407.819566]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
Jul 25 19:27:42 nori kernel: [66407.874310] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 26 01 00 00 48 85 c0 0f 84 1d 01 00 00 49 63 42 20 48 8d 4a 01 4d 8b 02 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
Jul 25 19:27:42 nori kernel: [66408.047686] RIP  [<ffffffff811a1775>] __kmalloc+0x95/0x230
Jul 25 19:27:42 nori kernel: [66408.104951]  RSP <ffff8803f4a19dc8>
Jul 25 19:27:42 nori kernel: [66408.161499] CR2: 000000014d2e0000
Jul 25 19:27:42 nori kernel: [66408.217677] ---[ end trace e035f1f000edf182 ]---
Jul 25 19:28:07 nori kernel: [66430.134715] BUG: unable to handle kernel paging request at 000000014d2e0000
Jul 25 19:28:07 nori kernel: [66430.194227] IP: [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
Jul 25 19:28:07 nori kernel: [66430.253858] PGD 4659dc067 PUD 0
Jul 25 19:28:07 nori kernel: [66430.312120] Oops: 0000 [#4] SMP
Jul 25 19:28:07 nori kernel: [66430.370414] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
Jul 25 19:28:07 nori kernel: [66430.937182] CPU: 14 PID: 103646 Comm: run Tainted: G      D      3.13.0-32-generic #57-Ubuntu
Jul 25 19:28:07 nori kernel: [66431.064749] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
Jul 25 19:28:07 nori kernel: [66431.197533] task: ffff8804647e0000 ti: ffff8804661e8000 task.ti: ffff8804661e8000
Jul 25 19:28:07 nori kernel: [66431.334238] RIP: 0010:[<ffffffff811a1e10>]  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
Jul 25 19:28:07 nori kernel: [66431.477758] RSP: 0018:ffff8804661e9e80  EFLAGS: 00010286
Jul 25 19:28:07 nori kernel: [66431.551652] RAX: 0000000000000000 RBX: ffff88085a829500 RCX: 00000000000fb9d0
Jul 25 19:28:07 nori kernel: [66431.626296] RDX: 00000000000fb9cf RSI: 00000000000080d0 RDI: ffff88046f007500
Jul 25 19:28:07 nori kernel: [66431.699680] RBP: ffff8804661e9eb8 R08: 00000000000172a0 R09: ffff88046f007500
Jul 25 19:28:07 nori kernel: [66431.772495] R10: ffffffff811c5b6e R11: 0000000000000202 R12: 000000014d2e0000
Jul 25 19:28:07 nori kernel: [66431.844664] R13: 00000000000080d0 R14: 0000000000000280 R15: ffff88046f007500
Jul 25 19:28:07 nori kernel: [66431.916605] FS:  00007fa1b9e8b700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
Jul 25 19:28:07 nori kernel: [66432.061876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 25 19:28:07 nori kernel: [66432.135232] CR2: 000000014d2e0000 CR3: 000000039efbd000 CR4: 00000000001427e0
Jul 25 19:28:07 nori kernel: [66432.209320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 25 19:28:07 nori kernel: [66432.282112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jul 25 19:28:07 nori kernel: [66432.354538] Stack:
Jul 25 19:28:07 nori kernel: [66432.424802]  ffff88046f007500 ffffffff811c5b6e ffff88085a829500 ffff8804661e9f60
Jul 25 19:28:07 nori kernel: [66432.566080]  0000000000080000 ffff8804661e9f58 00007fa1bfa39b17 ffff8804661e9ed0
Jul 25 19:28:07 nori kernel: [66432.707090]  ffffffff811c5b6e ffff88085e5c7210 ffff8804661e9f10 ffffffff811c6086
Jul 25 19:28:07 nori kernel: [66432.848361] Call Trace:
Jul 25 19:28:07 nori kernel: [66432.916328]  [<ffffffff811c5b6e>] ? alloc_pipe_info+0x3e/0xb0
Jul 25 19:28:07 nori kernel: [66432.984888]  [<ffffffff811c5b6e>] alloc_pipe_info+0x3e/0xb0
Jul 25 19:28:07 nori kernel: [66433.052054]  [<ffffffff811c6086>] create_pipe_files+0x46/0x200
Jul 25 19:28:07 nori kernel: [66433.118464]  [<ffffffff8109ddf4>] ? vtime_account_user+0x54/0x60
Jul 25 19:28:07 nori kernel: [66433.183729]  [<ffffffff811c6274>] __do_pipe_flags+0x34/0xf0
Jul 25 19:28:07 nori kernel: [66433.247516]  [<ffffffff811c63a0>] SyS_pipe2+0x20/0xa0
Jul 25 19:28:07 nori kernel: [66433.309550]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
Jul 25 19:28:07 nori kernel: [66433.369834] Code: dc 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 14 01 00 00 48 85 c0 0f 84 0b 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63
Jul 25 19:28:07 nori kernel: [66433.555173] RIP  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
Jul 25 19:28:07 nori kernel: [66433.615690]  RSP <ffff8804661e9e80>
Jul 25 19:28:07 nori kernel: [66433.675315] CR2: 000000014d2e0000
Jul 25 19:28:07 nori kernel: [66433.734681] ---[ end trace e035f1f000edf183 ]---
Jul 25 19:28:07 nori kernel: [66433.738331] [sched_delayed] sched: RT throttling activated
Jul 25 19:28:11 nori kernel: [66433.880332] BUG: unable to handle kernel paging request at 000000014d2e0000
Jul 25 19:28:11 nori kernel: [66433.941308] IP: [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
Jul 25 19:28:11 nori kernel: [66434.002298] PGD 0
Jul 25 19:28:11 nori kernel: [66434.061614] Oops: 0000 [#5] SMP
Jul 25 19:28:11 nori kernel: [66434.120086] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
Jul 25 19:28:11 nori kernel: [66434.699905] CPU: 14 PID: 103621 Comm: qemu-system-x86 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
Jul 25 19:28:11 nori kernel: [66434.830460] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
Jul 25 19:28:11 nori kernel: [66434.966384] task: ffff88085aebc7d0 ti: ffff88085b46e000 task.ti: ffff88085b46e000
Jul 25 19:28:11 nori kernel: [66435.106474] RIP: 0010:[<ffffffff811a4075>]  [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
Jul 25 19:28:11 nori kernel: [66435.253491] RSP: 0018:ffff88085b46fc70  EFLAGS: 00010286
Jul 25 19:28:11 nori kernel: [66435.327962] RAX: 0000000000000000 RBX: 00007f634e8d74c0 RCX: 00000000000fb9d0
Jul 25 19:28:11 nori kernel: [66435.402936] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 00000000000003bf
Jul 25 19:28:11 nori kernel: [66435.477346] RBP: ffff88085b46fca8 R08: 00000000000172a0 R09: ffff88046f007500
Jul 25 19:28:11 nori kernel: [66435.550478] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000000000d0
Jul 25 19:28:11 nori kernel: [66435.623134] R13: 000000014d2e0000 R14: 00000000000003c0 R15: ffff88046f007500
Jul 25 19:28:11 nori kernel: [66435.695852] FS:  00007f634e8d8700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
Jul 25 19:28:11 nori kernel: [66435.841158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 25 19:28:11 nori kernel: [66435.914677] CR2: 000000014d2e0000 CR3: 0000000858de0000 CR4: 00000000001427e0
Jul 25 19:28:11 nori kernel: [66435.988577] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 25 19:28:11 nori kernel: [66436.061108] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jul 25 19:28:11 nori kernel: [66436.133334] Stack:
Jul 25 19:28:11 nori kernel: [66436.203477]  ffff88046f007500 ffffffffa0324225 00007f634e8d74c0 00000000000003c0
Jul 25 19:28:11 nori kernel: [66436.344678]  00007f634e8d74c8 00000000fffffff9 0000000000000001 ffff88085b46fcd0
Jul 25 19:28:11 nori kernel: [66436.485671]  ffffffff8116a095 00007f634e8d74c0 ffff8802edcb3f00 ffffffffa0320470
Jul 25 19:28:11 nori kernel: [66436.626780] Call Trace:
Jul 25 19:28:11 nori kernel: [66436.694762]  [<ffffffffa0324225>] ? msr_io+0x65/0x130 [kvm]
Jul 25 19:28:11 nori kernel: [66436.763256]  [<ffffffff8116a095>] memdup_user+0x25/0x70
Jul 25 19:28:11 nori kernel: [66436.830534]  [<ffffffffa0320470>] ? msr_mtrr_valid+0x70/0x70 [kvm]
Jul 25 19:28:11 nori kernel: [66436.897141]  [<ffffffffa0324225>] msr_io+0x65/0x130 [kvm]
Jul 25 19:28:11 nori kernel: [66436.962155]  [<ffffffffa032b756>] kvm_arch_vcpu_ioctl+0xc36/0xfe0 [kvm]
Jul 25 19:28:11 nori kernel: [66437.026637]  [<ffffffff81177cfa>] ? do_numa_page+0x14a/0x1b0
Jul 25 19:28:11 nori kernel: [66437.089710]  [<ffffffff81178eaf>] ? handle_mm_fault+0x5ff/0xf00
Jul 25 19:28:11 nori kernel: [66437.151466]  [<ffffffffa032a98e>] ? kvm_arch_vcpu_load+0x4e/0x1e0 [kvm]
Jul 25 19:28:11 nori kernel: [66437.212512]  [<ffffffffa0317e67>] kvm_vcpu_ioctl+0xc7/0x5b0 [kvm]
Jul 25 19:28:11 nori kernel: [66437.272204]  [<ffffffff81727c64>] ? __do_page_fault+0x204/0x560
Jul 25 19:28:11 nori kernel: [66437.331197]  [<ffffffff810775c6>] ? dequeue_signal+0x36/0x170
Jul 25 19:28:11 nori kernel: [66437.389178]  [<ffffffff816346d5>] ? sk_run_filter+0x295/0x700
Jul 25 19:28:11 nori kernel: [66437.447124]  [<ffffffff811cfd10>] do_vfs_ioctl+0x2e0/0x4c0
Jul 25 19:28:11 nori kernel: [66437.504750]  [<ffffffff8110dd43>] ? __secure_computing+0x73/0x260
Jul 25 19:28:11 nori kernel: [66437.562640]  [<ffffffff811cff71>] SyS_ioctl+0x81/0xa0
Jul 25 19:28:11 nori kernel: [66437.620376]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
Jul 25 19:28:11 nori kernel: [66437.677003] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 1a 01 00 00 48 85 c0 0f 84 11 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
Jul 25 19:28:11 nori kernel: [66437.853382] RIP  [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
Jul 25 19:28:11 nori kernel: [66437.912362]  RSP <ffff88085b46fc70>
Jul 25 19:28:11 nori kernel: [66437.971478] CR2: 000000014d2e0000
Jul 25 19:28:11 nori kernel: [66438.029206] ---[ end trace e035f1f000edf184 ]---
Jul 25 19:29:46 nori kernel: [66529.161626] BUG: unable to handle kernel paging request at 000000014d2e0000
Jul 25 19:29:46 nori kernel: [66529.219832] IP: [<ffffffff811a1775>] __kmalloc+0x95/0x230
Jul 25 19:29:46 nori kernel: [66529.276997] PGD 4659dc067 PUD 0
Jul 25 19:29:46 nori kernel: [66529.332252] Oops: 0000 [#6] SMP
Jul 25 19:29:46 nori kernel: [66529.385593] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
Jul 25 19:29:46 nori kernel: [66529.930916] CPU: 14 PID: 103744 Comm: run Tainted: G      D      3.13.0-32-generic #57-Ubuntu
Jul 25 19:29:46 nori kernel: [66530.060598] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
Jul 25 19:29:46 nori kernel: [66530.195598] task: ffff88039eff0000 ti: ffff880035e74000 task.ti: ffff880035e74000
Jul 25 19:29:46 nori kernel: [66530.335591] RIP: 0010:[<ffffffff811a1775>]  [<ffffffff811a1775>] __kmalloc+0x95/0x230
Jul 25 19:29:46 nori kernel: [66530.481270] RSP: 0018:ffff880035e75d58  EFLAGS: 00010286
Jul 25 19:29:46 nori kernel: [66530.556289] RAX: 0000000000000000 RBX: 00007fa1837f13f0 RCX: 00000000000fb9d0
Jul 25 19:29:46 nori kernel: [66530.632001] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 000000000000020f
Jul 25 19:29:46 nori kernel: [66530.706075] RBP: ffff880035e75d88 R08: 00000000000172a0 R09: ffffffff811d1412
Jul 25 19:29:46 nori kernel: [66530.780072] R10: ffff88046f007500 R11: 0000000000000293 R12: 00000000000000d0
Jul 25 19:29:46 nori kernel: [66530.852684] R13: 000000014d2e0000 R14: 0000000000000210 R15: ffff88046f007500
Jul 25 19:29:46 nori kernel: [66530.924510] FS:  00007fa1837fe700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
Jul 25 19:29:46 nori kernel: [66531.069197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 25 19:29:46 nori kernel: [66531.142395] CR2: 000000014d2e0000 CR3: 000000039efbd000 CR4: 00000000001427e0
Jul 25 19:29:46 nori kernel: [66531.215837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 25 19:29:46 nori kernel: [66531.288274] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jul 25 19:29:46 nori kernel: [66531.360388] Stack:
Jul 25 19:29:46 nori kernel: [66531.430399]  ffffffff811d1412 00007fa1837f13f0 0000000000000058 000000000000028f
Jul 25 19:29:46 nori kernel: [66531.571372]  000000000000028f 00007fa1837f14f0 ffff880035e75f18 ffffffff811d1412
Jul 25 19:29:46 nori kernel: [66531.712044]  0000028f68a217f0 ffff880035e75f30 00007fa1837f14f0 000000000000000b
Jul 25 19:29:46 nori kernel: [66531.852772] Call Trace:
Jul 25 19:29:46 nori kernel: [66531.920562]  [<ffffffff811d1412>] ? core_sys_select+0x92/0x2e0
Jul 25 19:29:46 nori kernel: [66531.989230]  [<ffffffff811d1412>] core_sys_select+0x92/0x2e0
Jul 25 19:29:46 nori kernel: [66532.056448]  [<ffffffff8109a7f0>] ? wake_up_state+0x10/0x20
Jul 25 19:29:46 nori kernel: [66532.122413]  [<ffffffff810d7c56>] ? wake_futex+0x66/0x90
Jul 25 19:29:46 nori kernel: [66532.186565]  [<ffffffff810d8c01>] ? futex_wake+0x1b1/0x1d0
Jul 25 19:29:46 nori kernel: [66532.249039]  [<ffffffff8111155c>] ? acct_account_cputime+0x1c/0x20
Jul 25 19:29:46 nori kernel: [66532.310497]  [<ffffffff8109d7db>] ? account_user_time+0x8b/0xa0
Jul 25 19:29:46 nori kernel: [66532.370456]  [<ffffffff8101b269>] ? read_tsc+0x9/0x20
Jul 25 19:29:46 nori kernel: [66532.428566]  [<ffffffff810cd6e8>] ? ktime_get_ts+0x48/0xe0
Jul 25 19:29:46 nori kernel: [66532.485142]  [<ffffffff811d170b>] SyS_select+0xab/0x100
Jul 25 19:29:46 nori kernel: [66532.540808]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
Jul 25 19:29:46 nori kernel: [66532.595317] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 26 01 00 00 48 85 c0 0f 84 1d 01 00 00 49 63 42 20 48 8d 4a 01 4d 8b 02 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
Jul 25 19:29:46 nori kernel: [66532.771733] RIP  [<ffffffff811a1775>] __kmalloc+0x95/0x230
Jul 25 19:29:46 nori kernel: [66532.830082]  RSP <ffff880035e75d58>
Jul 25 19:29:46 nori kernel: [66532.887138] CR2: 000000014d2e0000
Jul 25 19:29:46 nori kernel: [66532.942316] ---[ end trace e035f1f000edf185 ]---

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

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  Jul 25 19:27:17 nori kernel: [66379.795694] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:27:17 nori kernel: [66379.812493] IP: [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
- Jul 25 19:27:17 nori kernel: [66379.831234] PGD 0 
- Jul 25 19:27:17 nori kernel: [66379.850046] Oops: 0000 [#1] SMP 
+ Jul 25 19:27:17 nori kernel: [66379.831234] PGD 0
+ Jul 25 19:27:17 nori kernel: [66379.850046] Oops: 0000 [#1] SMP
  Jul 25 19:27:17 nori kernel: [66379.869895] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:27:17 nori kernel: [66380.168885] CPU: 14 PID: 103885 Comm: sh Not tainted 3.13.0-32-generic #57-Ubuntu
  Jul 25 19:27:17 nori kernel: [66380.258197] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:27:17 nori kernel: [66380.358022] task: ffff8802edc2afe0 ti: ffff88036291c000 task.ti: ffff88036291c000
  Jul 25 19:27:17 nori kernel: [66380.465581] RIP: 0010:[<ffffffff811a4383>]  [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
  Jul 25 19:27:17 nori kernel: [66380.583742] RSP: 0018:ffff88036291db40  EFLAGS: 00010246
  Jul 25 19:27:17 nori kernel: [66380.644603] RAX: 0000000000000000 RBX: ffff8808675ebc00 RCX: 00000000000fb9d0
  Jul 25 19:27:17 nori kernel: [66380.708225] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 00000000000172a0
  Jul 25 19:27:17 nori kernel: [66380.772816] RBP: ffff88036291db88 R08: ffff88086ec172a0 R09: ffff88046f007500
  Jul 25 19:27:17 nori kernel: [66380.839062] R10: ffff88046f007500 R11: 0000000000000000 R12: 0000000000010220
  Jul 25 19:27:17 nori kernel: [66380.906511] R13: 0000000000000240 R14: 000000014d2e0000 R15: 00000000ffffffff
  Jul 25 19:27:17 nori kernel: [66380.974921] FS:  00007f27578a5740(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:27:17 nori kernel: [66381.115285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:27:17 nori kernel: [66381.186855] CR2: 000000014d2e0000 CR3: 0000000001c0e000 CR4: 00000000001427e0
  Jul 25 19:27:17 nori kernel: [66381.258606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:27:17 nori kernel: [66381.328846] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:27:17 nori kernel: [66381.398830] Stack:
  Jul 25 19:27:17 nori kernel: [66381.466659]  0000000100000000 ffff8808675e9d00 ffffffff81cda240 ffffffff81610e7e
  Jul 25 19:27:17 nori kernel: [66381.603116]  ffff8808675ebc00 ffff88036291dbe7 0000000000000020 0000000000000240
  Jul 25 19:27:17 nori kernel: [66381.739357]  00000000ffffffff ffff88036291dbc8 ffffffff816104f1 0000000000000000
  Jul 25 19:27:17 nori kernel: [66381.875702] Call Trace:
  Jul 25 19:27:17 nori kernel: [66381.941497]  [<ffffffff81610e7e>] ? __alloc_skb+0x7e/0x2b0
  Jul 25 19:27:17 nori kernel: [66382.007712]  [<ffffffff816104f1>] __kmalloc_reserve.isra.25+0x31/0x90
  Jul 25 19:27:17 nori kernel: [66382.073028]  [<ffffffff81610e7e>] __alloc_skb+0x7e/0x2b0
  Jul 25 19:27:17 nori kernel: [66382.136843]  [<ffffffffa02ca1c6>] ? br_port_state_selection+0x106/0x180 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.261982]  [<ffffffffa02cc511>] br_ifinfo_notify+0x51/0x130 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.325572]  [<ffffffffa02cb01a>] ? br_stp_disable_port+0xba/0xf0 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.388304]  [<ffffffffa02c7aa9>] del_nbp+0x59/0x100 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.449596]  [<ffffffffa02c8426>] br_del_if+0x36/0x80 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.509518]  [<ffffffffa02c963b>] br_device_event+0x12b/0x230 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.569120]  [<ffffffff8172817c>] notifier_call_chain+0x4c/0x70
  Jul 25 19:27:17 nori kernel: [66382.627934]  [<ffffffff8108fbb6>] raw_notifier_call_chain+0x16/0x20
  Jul 25 19:27:17 nori kernel: [66382.687319]  [<ffffffff8161bde5>] call_netdevice_notifiers_info+0x35/0x60
  Jul 25 19:27:17 nori kernel: [66382.746778]  [<ffffffff8161d159>] rollback_registered_many+0x189/0x2a0
  Jul 25 19:27:17 nori kernel: [66382.806133]  [<ffffffff8161d29d>] rollback_registered+0x2d/0x40
  Jul 25 19:27:17 nori kernel: [66382.864798]  [<ffffffff8161dc28>] unregister_netdevice_queue+0x58/0xc0
  Jul 25 19:27:17 nori kernel: [66382.923145]  [<ffffffff81522a42>] __tun_detach+0x2a2/0x2e0
  Jul 25 19:27:17 nori kernel: [66382.980119]  [<ffffffff81522aac>] tun_chr_close+0x2c/0x50
  Jul 25 19:27:17 nori kernel: [66383.036058]  [<ffffffff811be6d4>] __fput+0xe4/0x260
  Jul 25 19:27:17 nori kernel: [66383.091058]  [<ffffffff811be89e>] ____fput+0xe/0x10
  Jul 25 19:27:17 nori kernel: [66383.145846]  [<ffffffff81088174>] task_work_run+0xc4/0xe0
  Jul 25 19:27:17 nori kernel: [66383.201601]  [<ffffffff81069c18>] do_exit+0x2b8/0xa50
  Jul 25 19:27:17 nori kernel: [66383.256060]  [<ffffffff8109ddf4>] ? vtime_account_user+0x54/0x60
  Jul 25 19:27:17 nori kernel: [66383.309908]  [<ffffffff8106a42f>] do_group_exit+0x3f/0xa0
  Jul 25 19:27:17 nori kernel: [66383.362286]  [<ffffffff8106a4a4>] SyS_exit_group+0x14/0x20
  Jul 25 19:27:17 nori kernel: [66383.413082]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
- Jul 25 19:27:17 nori kernel: [66383.462181] Code: 4c 89 cf 44 89 e6 4c 89 4d c8 e8 69 a3 00 00 4c 8b 4d c8 49 89 c2 e9 01 ff ff ff 0f 1f 44 00 00 49 63 42 20 48 8d 4a 01 49 8b 3a <49> 8b 1c 06 4c 89 f0 65 48 0f c7 0f 0f 94 c0 84 c0 0f 84 da fe 
+ Jul 25 19:27:17 nori kernel: [66383.462181] Code: 4c 89 cf 44 89 e6 4c 89 4d c8 e8 69 a3 00 00 4c 8b 4d c8 49 89 c2 e9 01 ff ff ff 0f 1f 44 00 00 49 63 42 20 48 8d 4a 01 49 8b 3a <49> 8b 1c 06 4c 89 f0 65 48 0f c7 0f 0f 94 c0 84 c0 0f 84 da fe
  Jul 25 19:27:17 nori kernel: [66383.612991] RIP  [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
  Jul 25 19:27:17 nori kernel: [66383.664397]  RSP <ffff88036291db40>
  Jul 25 19:27:17 nori kernel: [66383.715119] CR2: 000000014d2e0000
  Jul 25 19:27:17 nori kernel: [66383.851637] ---[ end trace e035f1f000edf180 ]---
  Jul 25 19:27:17 nori kernel: [66383.901747] Fixing recursive fault but reboot is needed!
  Jul 25 19:27:27 nori kernel: [66389.591372] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:27:27 nori kernel: [66389.641633] IP: [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
- Jul 25 19:27:27 nori kernel: [66389.692147] PGD 0 
- Jul 25 19:27:27 nori kernel: [66389.741256] Oops: 0000 [#2] SMP 
+ Jul 25 19:27:27 nori kernel: [66389.692147] PGD 0
+ Jul 25 19:27:27 nori kernel: [66389.741256] Oops: 0000 [#2] SMP
  Jul 25 19:27:27 nori kernel: [66389.790357] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:27:27 nori kernel: [66390.299276] CPU: 14 PID: 1152 Comm: kipmi0 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:27:27 nori kernel: [66390.423259] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:27:27 nori kernel: [66390.553718] task: ffff88085d232fe0 ti: ffff8808663b2000 task.ti: ffff8808663b2000
  Jul 25 19:27:27 nori kernel: [66390.688121] RIP: 0010:[<ffffffff811a1e10>]  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:27:27 nori kernel: [66390.829129] RSP: 0018:ffff8808663b3df8  EFLAGS: 00010086
  Jul 25 19:27:27 nori kernel: [66390.900556] RAX: 0000000000000000 RBX: ffff8808659dde00 RCX: 00000000000fb9d0
  Jul 25 19:27:27 nori kernel: [66390.972200] RDX: 00000000000fb9cf RSI: 0000000000000020 RDI: ffff88046f007500
  Jul 25 19:27:27 nori kernel: [66391.043556] RBP: ffff8808663b3e30 R08: 00000000000172a0 R09: ffff88046f007500
  Jul 25 19:27:27 nori kernel: [66391.113329] R10: ffffffff813e422f R11: 0000000000000005 R12: 000000014d2e0000
  Jul 25 19:27:27 nori kernel: [66391.182279] R13: 0000000000000020 R14: 0000000000000250 R15: ffff88046f007500
  Jul 25 19:27:27 nori kernel: [66391.251654] FS:  0000000000000000(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:27:27 nori kernel: [66391.389620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:27:27 nori kernel: [66391.459354] CR2: 000000014d2e0000 CR3: 0000000001c0e000 CR4: 00000000001427e0
  Jul 25 19:27:27 nori kernel: [66391.529449] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:27:27 nori kernel: [66391.598219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:27:27 nori kernel: [66391.666694] Stack:
  Jul 25 19:27:27 nori kernel: [66391.733159]  ffff880868bdc000 ffffffff810741f0 ffff8808659dde00 0000000000000004
  Jul 25 19:27:27 nori kernel: [66391.866951]  0000000000000246 0000000000000004 0000000000000000 ffff8808663b3e40
  Jul 25 19:27:27 nori kernel: [66392.000563]  ffffffff813e422f ffff8808663b3e78 ffffffffa00c729c 0000000000000246
  Jul 25 19:27:27 nori kernel: [66392.134403] Call Trace:
  Jul 25 19:27:27 nori kernel: [66392.198835]  [<ffffffff810741f0>] ? ftrace_raw_output_tick_stop+0x70/0x70
  Jul 25 19:27:27 nori kernel: [66392.264655]  [<ffffffff813e422f>] ipmi_alloc_smi_msg+0x1f/0x40
  Jul 25 19:27:27 nori kernel: [66392.329473]  [<ffffffffa00c729c>] smi_event_handler+0x15c/0x530 [ipmi_si]
  Jul 25 19:27:27 nori kernel: [66392.394215]  [<ffffffffa00c821e>] ipmi_thread+0x5e/0x1a0 [ipmi_si]
  Jul 25 19:27:27 nori kernel: [66392.457697]  [<ffffffffa00c81c0>] ? sender+0x1a0/0x1a0 [ipmi_si]
  Jul 25 19:27:27 nori kernel: [66392.519882]  [<ffffffffa00c81c0>] ? sender+0x1a0/0x1a0 [ipmi_si]
  Jul 25 19:27:27 nori kernel: [66392.579665]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
  Jul 25 19:27:27 nori kernel: [66392.637723]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Jul 25 19:27:27 nori kernel: [66392.695351]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
  Jul 25 19:27:27 nori kernel: [66392.751390]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
- Jul 25 19:27:27 nori kernel: [66392.807538] Code: dc 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 14 01 00 00 48 85 c0 0f 84 0b 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63 
+ Jul 25 19:27:27 nori kernel: [66392.807538] Code: dc 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 14 01 00 00 48 85 c0 0f 84 0b 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63
  Jul 25 19:27:27 nori kernel: [66392.983466] RIP  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:27:27 nori kernel: [66393.042596]  RSP <ffff8808663b3df8>
  Jul 25 19:27:27 nori kernel: [66393.101158] CR2: 000000014d2e0000
  Jul 25 19:27:27 nori kernel: [66393.158822] ---[ end trace e035f1f000edf181 ]---
  Jul 25 19:27:42 nori kernel: [66404.658420] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:27:42 nori kernel: [66404.716802] IP: [<ffffffff811a1775>] __kmalloc+0x95/0x230
- Jul 25 19:27:42 nori kernel: [66404.774884] PGD 0 
- Jul 25 19:27:42 nori kernel: [66404.832364] Oops: 0000 [#3] SMP 
+ Jul 25 19:27:42 nori kernel: [66404.774884] PGD 0
+ Jul 25 19:27:42 nori kernel: [66404.832364] Oops: 0000 [#3] SMP
  Jul 25 19:27:42 nori kernel: [66404.890684] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:27:42 nori kernel: [66405.438353] CPU: 14 PID: 104284 Comm: qemu-system-x86 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:27:42 nori kernel: [66405.562731] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:27:42 nori kernel: [66405.691280] task: ffff880865d7afe0 ti: ffff8803f4a18000 task.ti: ffff8803f4a18000
  Jul 25 19:27:42 nori kernel: [66405.826118] RIP: 0010:[<ffffffff811a1775>]  [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:27:42 nori kernel: [66405.965738] RSP: 0018:ffff8803f4a19dc8  EFLAGS: 00010286
  Jul 25 19:27:42 nori kernel: [66406.036951] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000000fb9d0
  Jul 25 19:27:42 nori kernel: [66406.108697] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 000000000000026f
  Jul 25 19:27:42 nori kernel: [66406.178647] RBP: ffff8803f4a19df8 R08: 00000000000172a0 R09: ffffffff811bd7a6
  Jul 25 19:27:42 nori kernel: [66406.248491] R10: ffff88046f007500 R11: 0000000000000293 R12: 00000000000000d0
  Jul 25 19:27:42 nori kernel: [66406.317187] R13: 000000014d2e0000 R14: 0000000000000270 R15: ffff88046f007500
  Jul 25 19:27:42 nori kernel: [66406.385016] FS:  00007f6230ff9700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:27:42 nori kernel: [66406.521579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:27:42 nori kernel: [66406.590810] CR2: 000000014d2e0000 CR3: 0000000858de0000 CR4: 00000000001427e0
  Jul 25 19:27:42 nori kernel: [66406.660296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:27:42 nori kernel: [66406.729025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:27:42 nori kernel: [66406.797574] Stack:
  Jul 25 19:27:42 nori kernel: [66406.864073]  ffffffff811bd7a6 0000000000000001 ffff8803f4a19e70 ffff8803f4a19e68
  Jul 25 19:27:42 nori kernel: [66406.997834]  0000000000000027 00007f63633fad00 ffff8803f4a19e38 ffffffff811bd7a6
  Jul 25 19:27:42 nori kernel: [66407.131275]  0000000000000270 ffff880858834e00 0000000000000001 ffff8803f4a19e70
  Jul 25 19:27:42 nori kernel: [66407.264712] Call Trace:
  Jul 25 19:27:42 nori kernel: [66407.328993]  [<ffffffff811bd7a6>] ? rw_copy_check_uvector+0x56/0x120
  Jul 25 19:27:42 nori kernel: [66407.394418]  [<ffffffff811bd7a6>] rw_copy_check_uvector+0x56/0x120
  Jul 25 19:27:42 nori kernel: [66407.458833]  [<ffffffff811bd8bd>] do_readv_writev+0x4d/0x220
  Jul 25 19:27:42 nori kernel: [66407.522174]  [<ffffffff8111155c>] ? acct_account_cputime+0x1c/0x20
  Jul 25 19:27:42 nori kernel: [66407.584577]  [<ffffffff8109d7db>] ? account_user_time+0x8b/0xa0
  Jul 25 19:27:42 nori kernel: [66407.645434]  [<ffffffff8110dd43>] ? __secure_computing+0x73/0x260
  Jul 25 19:27:42 nori kernel: [66407.705142]  [<ffffffff811bdb10>] vfs_writev+0x30/0x60
  Jul 25 19:27:42 nori kernel: [66407.763194]  [<ffffffff811bde32>] SyS_pwritev+0xa2/0xd0
  Jul 25 19:27:42 nori kernel: [66407.819566]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
- Jul 25 19:27:42 nori kernel: [66407.874310] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 26 01 00 00 48 85 c0 0f 84 1d 01 00 00 49 63 42 20 48 8d 4a 01 4d 8b 02 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49 
+ Jul 25 19:27:42 nori kernel: [66407.874310] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 26 01 00 00 48 85 c0 0f 84 1d 01 00 00 49 63 42 20 48 8d 4a 01 4d 8b 02 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
  Jul 25 19:27:42 nori kernel: [66408.047686] RIP  [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:27:42 nori kernel: [66408.104951]  RSP <ffff8803f4a19dc8>
  Jul 25 19:27:42 nori kernel: [66408.161499] CR2: 000000014d2e0000
  Jul 25 19:27:42 nori kernel: [66408.217677] ---[ end trace e035f1f000edf182 ]---
  Jul 25 19:28:07 nori kernel: [66430.134715] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:28:07 nori kernel: [66430.194227] IP: [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
- Jul 25 19:28:07 nori kernel: [66430.253858] PGD 4659dc067 PUD 0 
- Jul 25 19:28:07 nori kernel: [66430.312120] Oops: 0000 [#4] SMP 
+ Jul 25 19:28:07 nori kernel: [66430.253858] PGD 4659dc067 PUD 0
+ Jul 25 19:28:07 nori kernel: [66430.312120] Oops: 0000 [#4] SMP
  Jul 25 19:28:07 nori kernel: [66430.370414] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:28:07 nori kernel: [66430.937182] CPU: 14 PID: 103646 Comm: run Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:28:07 nori kernel: [66431.064749] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:28:07 nori kernel: [66431.197533] task: ffff8804647e0000 ti: ffff8804661e8000 task.ti: ffff8804661e8000
  Jul 25 19:28:07 nori kernel: [66431.334238] RIP: 0010:[<ffffffff811a1e10>]  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:28:07 nori kernel: [66431.477758] RSP: 0018:ffff8804661e9e80  EFLAGS: 00010286
  Jul 25 19:28:07 nori kernel: [66431.551652] RAX: 0000000000000000 RBX: ffff88085a829500 RCX: 00000000000fb9d0
  Jul 25 19:28:07 nori kernel: [66431.626296] RDX: 00000000000fb9cf RSI: 00000000000080d0 RDI: ffff88046f007500
  Jul 25 19:28:07 nori kernel: [66431.699680] RBP: ffff8804661e9eb8 R08: 00000000000172a0 R09: ffff88046f007500
  Jul 25 19:28:07 nori kernel: [66431.772495] R10: ffffffff811c5b6e R11: 0000000000000202 R12: 000000014d2e0000
  Jul 25 19:28:07 nori kernel: [66431.844664] R13: 00000000000080d0 R14: 0000000000000280 R15: ffff88046f007500
  Jul 25 19:28:07 nori kernel: [66431.916605] FS:  00007fa1b9e8b700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:28:07 nori kernel: [66432.061876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:28:07 nori kernel: [66432.135232] CR2: 000000014d2e0000 CR3: 000000039efbd000 CR4: 00000000001427e0
  Jul 25 19:28:07 nori kernel: [66432.209320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:28:07 nori kernel: [66432.282112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:28:07 nori kernel: [66432.354538] Stack:
  Jul 25 19:28:07 nori kernel: [66432.424802]  ffff88046f007500 ffffffff811c5b6e ffff88085a829500 ffff8804661e9f60
  Jul 25 19:28:07 nori kernel: [66432.566080]  0000000000080000 ffff8804661e9f58 00007fa1bfa39b17 ffff8804661e9ed0
  Jul 25 19:28:07 nori kernel: [66432.707090]  ffffffff811c5b6e ffff88085e5c7210 ffff8804661e9f10 ffffffff811c6086
  Jul 25 19:28:07 nori kernel: [66432.848361] Call Trace:
  Jul 25 19:28:07 nori kernel: [66432.916328]  [<ffffffff811c5b6e>] ? alloc_pipe_info+0x3e/0xb0
  Jul 25 19:28:07 nori kernel: [66432.984888]  [<ffffffff811c5b6e>] alloc_pipe_info+0x3e/0xb0
  Jul 25 19:28:07 nori kernel: [66433.052054]  [<ffffffff811c6086>] create_pipe_files+0x46/0x200
  Jul 25 19:28:07 nori kernel: [66433.118464]  [<ffffffff8109ddf4>] ? vtime_account_user+0x54/0x60
  Jul 25 19:28:07 nori kernel: [66433.183729]  [<ffffffff811c6274>] __do_pipe_flags+0x34/0xf0
  Jul 25 19:28:07 nori kernel: [66433.247516]  [<ffffffff811c63a0>] SyS_pipe2+0x20/0xa0
  Jul 25 19:28:07 nori kernel: [66433.309550]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
- Jul 25 19:28:07 nori kernel: [66433.369834] Code: dc 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 14 01 00 00 48 85 c0 0f 84 0b 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63 
+ Jul 25 19:28:07 nori kernel: [66433.369834] Code: dc 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 14 01 00 00 48 85 c0 0f 84 0b 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63
  Jul 25 19:28:07 nori kernel: [66433.555173] RIP  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:28:07 nori kernel: [66433.615690]  RSP <ffff8804661e9e80>
  Jul 25 19:28:07 nori kernel: [66433.675315] CR2: 000000014d2e0000
  Jul 25 19:28:07 nori kernel: [66433.734681] ---[ end trace e035f1f000edf183 ]---
  Jul 25 19:28:07 nori kernel: [66433.738331] [sched_delayed] sched: RT throttling activated
  Jul 25 19:28:11 nori kernel: [66433.880332] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:28:11 nori kernel: [66433.941308] IP: [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
- Jul 25 19:28:11 nori kernel: [66434.002298] PGD 0 
- Jul 25 19:28:11 nori kernel: [66434.061614] Oops: 0000 [#5] SMP 
+ Jul 25 19:28:11 nori kernel: [66434.002298] PGD 0
+ Jul 25 19:28:11 nori kernel: [66434.061614] Oops: 0000 [#5] SMP
  Jul 25 19:28:11 nori kernel: [66434.120086] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:28:11 nori kernel: [66434.699905] CPU: 14 PID: 103621 Comm: qemu-system-x86 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:28:11 nori kernel: [66434.830460] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:28:11 nori kernel: [66434.966384] task: ffff88085aebc7d0 ti: ffff88085b46e000 task.ti: ffff88085b46e000
  Jul 25 19:28:11 nori kernel: [66435.106474] RIP: 0010:[<ffffffff811a4075>]  [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
  Jul 25 19:28:11 nori kernel: [66435.253491] RSP: 0018:ffff88085b46fc70  EFLAGS: 00010286
  Jul 25 19:28:11 nori kernel: [66435.327962] RAX: 0000000000000000 RBX: 00007f634e8d74c0 RCX: 00000000000fb9d0
  Jul 25 19:28:11 nori kernel: [66435.402936] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 00000000000003bf
  Jul 25 19:28:11 nori kernel: [66435.477346] RBP: ffff88085b46fca8 R08: 00000000000172a0 R09: ffff88046f007500
  Jul 25 19:28:11 nori kernel: [66435.550478] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000000000d0
  Jul 25 19:28:11 nori kernel: [66435.623134] R13: 000000014d2e0000 R14: 00000000000003c0 R15: ffff88046f007500
  Jul 25 19:28:11 nori kernel: [66435.695852] FS:  00007f634e8d8700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:28:11 nori kernel: [66435.841158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:28:11 nori kernel: [66435.914677] CR2: 000000014d2e0000 CR3: 0000000858de0000 CR4: 00000000001427e0
  Jul 25 19:28:11 nori kernel: [66435.988577] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:28:11 nori kernel: [66436.061108] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:28:11 nori kernel: [66436.133334] Stack:
  Jul 25 19:28:11 nori kernel: [66436.203477]  ffff88046f007500 ffffffffa0324225 00007f634e8d74c0 00000000000003c0
  Jul 25 19:28:11 nori kernel: [66436.344678]  00007f634e8d74c8 00000000fffffff9 0000000000000001 ffff88085b46fcd0
  Jul 25 19:28:11 nori kernel: [66436.485671]  ffffffff8116a095 00007f634e8d74c0 ffff8802edcb3f00 ffffffffa0320470
  Jul 25 19:28:11 nori kernel: [66436.626780] Call Trace:
  Jul 25 19:28:11 nori kernel: [66436.694762]  [<ffffffffa0324225>] ? msr_io+0x65/0x130 [kvm]
  Jul 25 19:28:11 nori kernel: [66436.763256]  [<ffffffff8116a095>] memdup_user+0x25/0x70
  Jul 25 19:28:11 nori kernel: [66436.830534]  [<ffffffffa0320470>] ? msr_mtrr_valid+0x70/0x70 [kvm]
  Jul 25 19:28:11 nori kernel: [66436.897141]  [<ffffffffa0324225>] msr_io+0x65/0x130 [kvm]
  Jul 25 19:28:11 nori kernel: [66436.962155]  [<ffffffffa032b756>] kvm_arch_vcpu_ioctl+0xc36/0xfe0 [kvm]
  Jul 25 19:28:11 nori kernel: [66437.026637]  [<ffffffff81177cfa>] ? do_numa_page+0x14a/0x1b0
  Jul 25 19:28:11 nori kernel: [66437.089710]  [<ffffffff81178eaf>] ? handle_mm_fault+0x5ff/0xf00
  Jul 25 19:28:11 nori kernel: [66437.151466]  [<ffffffffa032a98e>] ? kvm_arch_vcpu_load+0x4e/0x1e0 [kvm]
  Jul 25 19:28:11 nori kernel: [66437.212512]  [<ffffffffa0317e67>] kvm_vcpu_ioctl+0xc7/0x5b0 [kvm]
  Jul 25 19:28:11 nori kernel: [66437.272204]  [<ffffffff81727c64>] ? __do_page_fault+0x204/0x560
  Jul 25 19:28:11 nori kernel: [66437.331197]  [<ffffffff810775c6>] ? dequeue_signal+0x36/0x170
  Jul 25 19:28:11 nori kernel: [66437.389178]  [<ffffffff816346d5>] ? sk_run_filter+0x295/0x700
  Jul 25 19:28:11 nori kernel: [66437.447124]  [<ffffffff811cfd10>] do_vfs_ioctl+0x2e0/0x4c0
  Jul 25 19:28:11 nori kernel: [66437.504750]  [<ffffffff8110dd43>] ? __secure_computing+0x73/0x260
  Jul 25 19:28:11 nori kernel: [66437.562640]  [<ffffffff811cff71>] SyS_ioctl+0x81/0xa0
  Jul 25 19:28:11 nori kernel: [66437.620376]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
- Jul 25 19:28:11 nori kernel: [66437.677003] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 1a 01 00 00 48 85 c0 0f 84 11 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49 
+ Jul 25 19:28:11 nori kernel: [66437.677003] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 1a 01 00 00 48 85 c0 0f 84 11 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
  Jul 25 19:28:11 nori kernel: [66437.853382] RIP  [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
  Jul 25 19:28:11 nori kernel: [66437.912362]  RSP <ffff88085b46fc70>
  Jul 25 19:28:11 nori kernel: [66437.971478] CR2: 000000014d2e0000
  Jul 25 19:28:11 nori kernel: [66438.029206] ---[ end trace e035f1f000edf184 ]---
  Jul 25 19:29:46 nori kernel: [66529.161626] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:29:46 nori kernel: [66529.219832] IP: [<ffffffff811a1775>] __kmalloc+0x95/0x230
- Jul 25 19:29:46 nori kernel: [66529.276997] PGD 4659dc067 PUD 0 
- Jul 25 19:29:46 nori kernel: [66529.332252] Oops: 0000 [#6] SMP 
+ Jul 25 19:29:46 nori kernel: [66529.276997] PGD 4659dc067 PUD 0
+ Jul 25 19:29:46 nori kernel: [66529.332252] Oops: 0000 [#6] SMP
  Jul 25 19:29:46 nori kernel: [66529.385593] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:29:46 nori kernel: [66529.930916] CPU: 14 PID: 103744 Comm: run Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:29:46 nori kernel: [66530.060598] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:29:46 nori kernel: [66530.195598] task: ffff88039eff0000 ti: ffff880035e74000 task.ti: ffff880035e74000
  Jul 25 19:29:46 nori kernel: [66530.335591] RIP: 0010:[<ffffffff811a1775>]  [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:29:46 nori kernel: [66530.481270] RSP: 0018:ffff880035e75d58  EFLAGS: 00010286
  Jul 25 19:29:46 nori kernel: [66530.556289] RAX: 0000000000000000 RBX: 00007fa1837f13f0 RCX: 00000000000fb9d0
  Jul 25 19:29:46 nori kernel: [66530.632001] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 000000000000020f
  Jul 25 19:29:46 nori kernel: [66530.706075] RBP: ffff880035e75d88 R08: 00000000000172a0 R09: ffffffff811d1412
  Jul 25 19:29:46 nori kernel: [66530.780072] R10: ffff88046f007500 R11: 0000000000000293 R12: 00000000000000d0
  Jul 25 19:29:46 nori kernel: [66530.852684] R13: 000000014d2e0000 R14: 0000000000000210 R15: ffff88046f007500
  Jul 25 19:29:46 nori kernel: [66530.924510] FS:  00007fa1837fe700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:29:46 nori kernel: [66531.069197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:29:46 nori kernel: [66531.142395] CR2: 000000014d2e0000 CR3: 000000039efbd000 CR4: 00000000001427e0
  Jul 25 19:29:46 nori kernel: [66531.215837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:29:46 nori kernel: [66531.288274] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:29:46 nori kernel: [66531.360388] Stack:
  Jul 25 19:29:46 nori kernel: [66531.430399]  ffffffff811d1412 00007fa1837f13f0 0000000000000058 000000000000028f
  Jul 25 19:29:46 nori kernel: [66531.571372]  000000000000028f 00007fa1837f14f0 ffff880035e75f18 ffffffff811d1412
  Jul 25 19:29:46 nori kernel: [66531.712044]  0000028f68a217f0 ffff880035e75f30 00007fa1837f14f0 000000000000000b
  Jul 25 19:29:46 nori kernel: [66531.852772] Call Trace:
  Jul 25 19:29:46 nori kernel: [66531.920562]  [<ffffffff811d1412>] ? core_sys_select+0x92/0x2e0
  Jul 25 19:29:46 nori kernel: [66531.989230]  [<ffffffff811d1412>] core_sys_select+0x92/0x2e0
  Jul 25 19:29:46 nori kernel: [66532.056448]  [<ffffffff8109a7f0>] ? wake_up_state+0x10/0x20
  Jul 25 19:29:46 nori kernel: [66532.122413]  [<ffffffff810d7c56>] ? wake_futex+0x66/0x90
  Jul 25 19:29:46 nori kernel: [66532.186565]  [<ffffffff810d8c01>] ? futex_wake+0x1b1/0x1d0
  Jul 25 19:29:46 nori kernel: [66532.249039]  [<ffffffff8111155c>] ? acct_account_cputime+0x1c/0x20
  Jul 25 19:29:46 nori kernel: [66532.310497]  [<ffffffff8109d7db>] ? account_user_time+0x8b/0xa0
  Jul 25 19:29:46 nori kernel: [66532.370456]  [<ffffffff8101b269>] ? read_tsc+0x9/0x20
  Jul 25 19:29:46 nori kernel: [66532.428566]  [<ffffffff810cd6e8>] ? ktime_get_ts+0x48/0xe0
  Jul 25 19:29:46 nori kernel: [66532.485142]  [<ffffffff811d170b>] SyS_select+0xab/0x100
  Jul 25 19:29:46 nori kernel: [66532.540808]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
- Jul 25 19:29:46 nori kernel: [66532.595317] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 26 01 00 00 48 85 c0 0f 84 1d 01 00 00 49 63 42 20 48 8d 4a 01 4d 8b 02 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49 
+ Jul 25 19:29:46 nori kernel: [66532.595317] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 26 01 00 00 48 85 c0 0f 84 1d 01 00 00 49 63 42 20 48 8d 4a 01 4d 8b 02 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
  Jul 25 19:29:46 nori kernel: [66532.771733] RIP  [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:29:46 nori kernel: [66532.830082]  RSP <ffff880035e75d58>
  Jul 25 19:29:46 nori kernel: [66532.887138] CR2: 000000014d2e0000
  Jul 25 19:29:46 nori kernel: [66532.942316] ---[ end trace e035f1f000edf185 ]---

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https://bugs.launchpad.net/bugs/1348783

Title:
  BUG: unable to handle kernel paging request at 000000014d2e0000

Status in “linux” package in Ubuntu:
  New

Bug description:
  Jul 25 19:27:17 nori kernel: [66379.795694] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:27:17 nori kernel: [66379.812493] IP: [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
  Jul 25 19:27:17 nori kernel: [66379.831234] PGD 0
  Jul 25 19:27:17 nori kernel: [66379.850046] Oops: 0000 [#1] SMP
  Jul 25 19:27:17 nori kernel: [66379.869895] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:27:17 nori kernel: [66380.168885] CPU: 14 PID: 103885 Comm: sh Not tainted 3.13.0-32-generic #57-Ubuntu
  Jul 25 19:27:17 nori kernel: [66380.258197] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:27:17 nori kernel: [66380.358022] task: ffff8802edc2afe0 ti: ffff88036291c000 task.ti: ffff88036291c000
  Jul 25 19:27:17 nori kernel: [66380.465581] RIP: 0010:[<ffffffff811a4383>]  [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
  Jul 25 19:27:17 nori kernel: [66380.583742] RSP: 0018:ffff88036291db40  EFLAGS: 00010246
  Jul 25 19:27:17 nori kernel: [66380.644603] RAX: 0000000000000000 RBX: ffff8808675ebc00 RCX: 00000000000fb9d0
  Jul 25 19:27:17 nori kernel: [66380.708225] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 00000000000172a0
  Jul 25 19:27:17 nori kernel: [66380.772816] RBP: ffff88036291db88 R08: ffff88086ec172a0 R09: ffff88046f007500
  Jul 25 19:27:17 nori kernel: [66380.839062] R10: ffff88046f007500 R11: 0000000000000000 R12: 0000000000010220
  Jul 25 19:27:17 nori kernel: [66380.906511] R13: 0000000000000240 R14: 000000014d2e0000 R15: 00000000ffffffff
  Jul 25 19:27:17 nori kernel: [66380.974921] FS:  00007f27578a5740(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:27:17 nori kernel: [66381.115285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:27:17 nori kernel: [66381.186855] CR2: 000000014d2e0000 CR3: 0000000001c0e000 CR4: 00000000001427e0
  Jul 25 19:27:17 nori kernel: [66381.258606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:27:17 nori kernel: [66381.328846] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:27:17 nori kernel: [66381.398830] Stack:
  Jul 25 19:27:17 nori kernel: [66381.466659]  0000000100000000 ffff8808675e9d00 ffffffff81cda240 ffffffff81610e7e
  Jul 25 19:27:17 nori kernel: [66381.603116]  ffff8808675ebc00 ffff88036291dbe7 0000000000000020 0000000000000240
  Jul 25 19:27:17 nori kernel: [66381.739357]  00000000ffffffff ffff88036291dbc8 ffffffff816104f1 0000000000000000
  Jul 25 19:27:17 nori kernel: [66381.875702] Call Trace:
  Jul 25 19:27:17 nori kernel: [66381.941497]  [<ffffffff81610e7e>] ? __alloc_skb+0x7e/0x2b0
  Jul 25 19:27:17 nori kernel: [66382.007712]  [<ffffffff816104f1>] __kmalloc_reserve.isra.25+0x31/0x90
  Jul 25 19:27:17 nori kernel: [66382.073028]  [<ffffffff81610e7e>] __alloc_skb+0x7e/0x2b0
  Jul 25 19:27:17 nori kernel: [66382.136843]  [<ffffffffa02ca1c6>] ? br_port_state_selection+0x106/0x180 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.261982]  [<ffffffffa02cc511>] br_ifinfo_notify+0x51/0x130 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.325572]  [<ffffffffa02cb01a>] ? br_stp_disable_port+0xba/0xf0 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.388304]  [<ffffffffa02c7aa9>] del_nbp+0x59/0x100 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.449596]  [<ffffffffa02c8426>] br_del_if+0x36/0x80 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.509518]  [<ffffffffa02c963b>] br_device_event+0x12b/0x230 [bridge]
  Jul 25 19:27:17 nori kernel: [66382.569120]  [<ffffffff8172817c>] notifier_call_chain+0x4c/0x70
  Jul 25 19:27:17 nori kernel: [66382.627934]  [<ffffffff8108fbb6>] raw_notifier_call_chain+0x16/0x20
  Jul 25 19:27:17 nori kernel: [66382.687319]  [<ffffffff8161bde5>] call_netdevice_notifiers_info+0x35/0x60
  Jul 25 19:27:17 nori kernel: [66382.746778]  [<ffffffff8161d159>] rollback_registered_many+0x189/0x2a0
  Jul 25 19:27:17 nori kernel: [66382.806133]  [<ffffffff8161d29d>] rollback_registered+0x2d/0x40
  Jul 25 19:27:17 nori kernel: [66382.864798]  [<ffffffff8161dc28>] unregister_netdevice_queue+0x58/0xc0
  Jul 25 19:27:17 nori kernel: [66382.923145]  [<ffffffff81522a42>] __tun_detach+0x2a2/0x2e0
  Jul 25 19:27:17 nori kernel: [66382.980119]  [<ffffffff81522aac>] tun_chr_close+0x2c/0x50
  Jul 25 19:27:17 nori kernel: [66383.036058]  [<ffffffff811be6d4>] __fput+0xe4/0x260
  Jul 25 19:27:17 nori kernel: [66383.091058]  [<ffffffff811be89e>] ____fput+0xe/0x10
  Jul 25 19:27:17 nori kernel: [66383.145846]  [<ffffffff81088174>] task_work_run+0xc4/0xe0
  Jul 25 19:27:17 nori kernel: [66383.201601]  [<ffffffff81069c18>] do_exit+0x2b8/0xa50
  Jul 25 19:27:17 nori kernel: [66383.256060]  [<ffffffff8109ddf4>] ? vtime_account_user+0x54/0x60
  Jul 25 19:27:17 nori kernel: [66383.309908]  [<ffffffff8106a42f>] do_group_exit+0x3f/0xa0
  Jul 25 19:27:17 nori kernel: [66383.362286]  [<ffffffff8106a4a4>] SyS_exit_group+0x14/0x20
  Jul 25 19:27:17 nori kernel: [66383.413082]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
  Jul 25 19:27:17 nori kernel: [66383.462181] Code: 4c 89 cf 44 89 e6 4c 89 4d c8 e8 69 a3 00 00 4c 8b 4d c8 49 89 c2 e9 01 ff ff ff 0f 1f 44 00 00 49 63 42 20 48 8d 4a 01 49 8b 3a <49> 8b 1c 06 4c 89 f0 65 48 0f c7 0f 0f 94 c0 84 c0 0f 84 da fe
  Jul 25 19:27:17 nori kernel: [66383.612991] RIP  [<ffffffff811a4383>] __kmalloc_node_track_caller+0x173/0x290
  Jul 25 19:27:17 nori kernel: [66383.664397]  RSP <ffff88036291db40>
  Jul 25 19:27:17 nori kernel: [66383.715119] CR2: 000000014d2e0000
  Jul 25 19:27:17 nori kernel: [66383.851637] ---[ end trace e035f1f000edf180 ]---
  Jul 25 19:27:17 nori kernel: [66383.901747] Fixing recursive fault but reboot is needed!
  Jul 25 19:27:27 nori kernel: [66389.591372] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:27:27 nori kernel: [66389.641633] IP: [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:27:27 nori kernel: [66389.692147] PGD 0
  Jul 25 19:27:27 nori kernel: [66389.741256] Oops: 0000 [#2] SMP
  Jul 25 19:27:27 nori kernel: [66389.790357] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:27:27 nori kernel: [66390.299276] CPU: 14 PID: 1152 Comm: kipmi0 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:27:27 nori kernel: [66390.423259] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:27:27 nori kernel: [66390.553718] task: ffff88085d232fe0 ti: ffff8808663b2000 task.ti: ffff8808663b2000
  Jul 25 19:27:27 nori kernel: [66390.688121] RIP: 0010:[<ffffffff811a1e10>]  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:27:27 nori kernel: [66390.829129] RSP: 0018:ffff8808663b3df8  EFLAGS: 00010086
  Jul 25 19:27:27 nori kernel: [66390.900556] RAX: 0000000000000000 RBX: ffff8808659dde00 RCX: 00000000000fb9d0
  Jul 25 19:27:27 nori kernel: [66390.972200] RDX: 00000000000fb9cf RSI: 0000000000000020 RDI: ffff88046f007500
  Jul 25 19:27:27 nori kernel: [66391.043556] RBP: ffff8808663b3e30 R08: 00000000000172a0 R09: ffff88046f007500
  Jul 25 19:27:27 nori kernel: [66391.113329] R10: ffffffff813e422f R11: 0000000000000005 R12: 000000014d2e0000
  Jul 25 19:27:27 nori kernel: [66391.182279] R13: 0000000000000020 R14: 0000000000000250 R15: ffff88046f007500
  Jul 25 19:27:27 nori kernel: [66391.251654] FS:  0000000000000000(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:27:27 nori kernel: [66391.389620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:27:27 nori kernel: [66391.459354] CR2: 000000014d2e0000 CR3: 0000000001c0e000 CR4: 00000000001427e0
  Jul 25 19:27:27 nori kernel: [66391.529449] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:27:27 nori kernel: [66391.598219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:27:27 nori kernel: [66391.666694] Stack:
  Jul 25 19:27:27 nori kernel: [66391.733159]  ffff880868bdc000 ffffffff810741f0 ffff8808659dde00 0000000000000004
  Jul 25 19:27:27 nori kernel: [66391.866951]  0000000000000246 0000000000000004 0000000000000000 ffff8808663b3e40
  Jul 25 19:27:27 nori kernel: [66392.000563]  ffffffff813e422f ffff8808663b3e78 ffffffffa00c729c 0000000000000246
  Jul 25 19:27:27 nori kernel: [66392.134403] Call Trace:
  Jul 25 19:27:27 nori kernel: [66392.198835]  [<ffffffff810741f0>] ? ftrace_raw_output_tick_stop+0x70/0x70
  Jul 25 19:27:27 nori kernel: [66392.264655]  [<ffffffff813e422f>] ipmi_alloc_smi_msg+0x1f/0x40
  Jul 25 19:27:27 nori kernel: [66392.329473]  [<ffffffffa00c729c>] smi_event_handler+0x15c/0x530 [ipmi_si]
  Jul 25 19:27:27 nori kernel: [66392.394215]  [<ffffffffa00c821e>] ipmi_thread+0x5e/0x1a0 [ipmi_si]
  Jul 25 19:27:27 nori kernel: [66392.457697]  [<ffffffffa00c81c0>] ? sender+0x1a0/0x1a0 [ipmi_si]
  Jul 25 19:27:27 nori kernel: [66392.519882]  [<ffffffffa00c81c0>] ? sender+0x1a0/0x1a0 [ipmi_si]
  Jul 25 19:27:27 nori kernel: [66392.579665]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
  Jul 25 19:27:27 nori kernel: [66392.637723]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Jul 25 19:27:27 nori kernel: [66392.695351]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
  Jul 25 19:27:27 nori kernel: [66392.751390]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Jul 25 19:27:27 nori kernel: [66392.807538] Code: dc 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 14 01 00 00 48 85 c0 0f 84 0b 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63
  Jul 25 19:27:27 nori kernel: [66392.983466] RIP  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:27:27 nori kernel: [66393.042596]  RSP <ffff8808663b3df8>
  Jul 25 19:27:27 nori kernel: [66393.101158] CR2: 000000014d2e0000
  Jul 25 19:27:27 nori kernel: [66393.158822] ---[ end trace e035f1f000edf181 ]---
  Jul 25 19:27:42 nori kernel: [66404.658420] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:27:42 nori kernel: [66404.716802] IP: [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:27:42 nori kernel: [66404.774884] PGD 0
  Jul 25 19:27:42 nori kernel: [66404.832364] Oops: 0000 [#3] SMP
  Jul 25 19:27:42 nori kernel: [66404.890684] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:27:42 nori kernel: [66405.438353] CPU: 14 PID: 104284 Comm: qemu-system-x86 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:27:42 nori kernel: [66405.562731] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:27:42 nori kernel: [66405.691280] task: ffff880865d7afe0 ti: ffff8803f4a18000 task.ti: ffff8803f4a18000
  Jul 25 19:27:42 nori kernel: [66405.826118] RIP: 0010:[<ffffffff811a1775>]  [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:27:42 nori kernel: [66405.965738] RSP: 0018:ffff8803f4a19dc8  EFLAGS: 00010286
  Jul 25 19:27:42 nori kernel: [66406.036951] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000000fb9d0
  Jul 25 19:27:42 nori kernel: [66406.108697] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 000000000000026f
  Jul 25 19:27:42 nori kernel: [66406.178647] RBP: ffff8803f4a19df8 R08: 00000000000172a0 R09: ffffffff811bd7a6
  Jul 25 19:27:42 nori kernel: [66406.248491] R10: ffff88046f007500 R11: 0000000000000293 R12: 00000000000000d0
  Jul 25 19:27:42 nori kernel: [66406.317187] R13: 000000014d2e0000 R14: 0000000000000270 R15: ffff88046f007500
  Jul 25 19:27:42 nori kernel: [66406.385016] FS:  00007f6230ff9700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:27:42 nori kernel: [66406.521579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:27:42 nori kernel: [66406.590810] CR2: 000000014d2e0000 CR3: 0000000858de0000 CR4: 00000000001427e0
  Jul 25 19:27:42 nori kernel: [66406.660296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:27:42 nori kernel: [66406.729025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:27:42 nori kernel: [66406.797574] Stack:
  Jul 25 19:27:42 nori kernel: [66406.864073]  ffffffff811bd7a6 0000000000000001 ffff8803f4a19e70 ffff8803f4a19e68
  Jul 25 19:27:42 nori kernel: [66406.997834]  0000000000000027 00007f63633fad00 ffff8803f4a19e38 ffffffff811bd7a6
  Jul 25 19:27:42 nori kernel: [66407.131275]  0000000000000270 ffff880858834e00 0000000000000001 ffff8803f4a19e70
  Jul 25 19:27:42 nori kernel: [66407.264712] Call Trace:
  Jul 25 19:27:42 nori kernel: [66407.328993]  [<ffffffff811bd7a6>] ? rw_copy_check_uvector+0x56/0x120
  Jul 25 19:27:42 nori kernel: [66407.394418]  [<ffffffff811bd7a6>] rw_copy_check_uvector+0x56/0x120
  Jul 25 19:27:42 nori kernel: [66407.458833]  [<ffffffff811bd8bd>] do_readv_writev+0x4d/0x220
  Jul 25 19:27:42 nori kernel: [66407.522174]  [<ffffffff8111155c>] ? acct_account_cputime+0x1c/0x20
  Jul 25 19:27:42 nori kernel: [66407.584577]  [<ffffffff8109d7db>] ? account_user_time+0x8b/0xa0
  Jul 25 19:27:42 nori kernel: [66407.645434]  [<ffffffff8110dd43>] ? __secure_computing+0x73/0x260
  Jul 25 19:27:42 nori kernel: [66407.705142]  [<ffffffff811bdb10>] vfs_writev+0x30/0x60
  Jul 25 19:27:42 nori kernel: [66407.763194]  [<ffffffff811bde32>] SyS_pwritev+0xa2/0xd0
  Jul 25 19:27:42 nori kernel: [66407.819566]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
  Jul 25 19:27:42 nori kernel: [66407.874310] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 26 01 00 00 48 85 c0 0f 84 1d 01 00 00 49 63 42 20 48 8d 4a 01 4d 8b 02 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
  Jul 25 19:27:42 nori kernel: [66408.047686] RIP  [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:27:42 nori kernel: [66408.104951]  RSP <ffff8803f4a19dc8>
  Jul 25 19:27:42 nori kernel: [66408.161499] CR2: 000000014d2e0000
  Jul 25 19:27:42 nori kernel: [66408.217677] ---[ end trace e035f1f000edf182 ]---
  Jul 25 19:28:07 nori kernel: [66430.134715] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:28:07 nori kernel: [66430.194227] IP: [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:28:07 nori kernel: [66430.253858] PGD 4659dc067 PUD 0
  Jul 25 19:28:07 nori kernel: [66430.312120] Oops: 0000 [#4] SMP
  Jul 25 19:28:07 nori kernel: [66430.370414] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:28:07 nori kernel: [66430.937182] CPU: 14 PID: 103646 Comm: run Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:28:07 nori kernel: [66431.064749] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:28:07 nori kernel: [66431.197533] task: ffff8804647e0000 ti: ffff8804661e8000 task.ti: ffff8804661e8000
  Jul 25 19:28:07 nori kernel: [66431.334238] RIP: 0010:[<ffffffff811a1e10>]  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:28:07 nori kernel: [66431.477758] RSP: 0018:ffff8804661e9e80  EFLAGS: 00010286
  Jul 25 19:28:07 nori kernel: [66431.551652] RAX: 0000000000000000 RBX: ffff88085a829500 RCX: 00000000000fb9d0
  Jul 25 19:28:07 nori kernel: [66431.626296] RDX: 00000000000fb9cf RSI: 00000000000080d0 RDI: ffff88046f007500
  Jul 25 19:28:07 nori kernel: [66431.699680] RBP: ffff8804661e9eb8 R08: 00000000000172a0 R09: ffff88046f007500
  Jul 25 19:28:07 nori kernel: [66431.772495] R10: ffffffff811c5b6e R11: 0000000000000202 R12: 000000014d2e0000
  Jul 25 19:28:07 nori kernel: [66431.844664] R13: 00000000000080d0 R14: 0000000000000280 R15: ffff88046f007500
  Jul 25 19:28:07 nori kernel: [66431.916605] FS:  00007fa1b9e8b700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:28:07 nori kernel: [66432.061876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:28:07 nori kernel: [66432.135232] CR2: 000000014d2e0000 CR3: 000000039efbd000 CR4: 00000000001427e0
  Jul 25 19:28:07 nori kernel: [66432.209320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:28:07 nori kernel: [66432.282112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:28:07 nori kernel: [66432.354538] Stack:
  Jul 25 19:28:07 nori kernel: [66432.424802]  ffff88046f007500 ffffffff811c5b6e ffff88085a829500 ffff8804661e9f60
  Jul 25 19:28:07 nori kernel: [66432.566080]  0000000000080000 ffff8804661e9f58 00007fa1bfa39b17 ffff8804661e9ed0
  Jul 25 19:28:07 nori kernel: [66432.707090]  ffffffff811c5b6e ffff88085e5c7210 ffff8804661e9f10 ffffffff811c6086
  Jul 25 19:28:07 nori kernel: [66432.848361] Call Trace:
  Jul 25 19:28:07 nori kernel: [66432.916328]  [<ffffffff811c5b6e>] ? alloc_pipe_info+0x3e/0xb0
  Jul 25 19:28:07 nori kernel: [66432.984888]  [<ffffffff811c5b6e>] alloc_pipe_info+0x3e/0xb0
  Jul 25 19:28:07 nori kernel: [66433.052054]  [<ffffffff811c6086>] create_pipe_files+0x46/0x200
  Jul 25 19:28:07 nori kernel: [66433.118464]  [<ffffffff8109ddf4>] ? vtime_account_user+0x54/0x60
  Jul 25 19:28:07 nori kernel: [66433.183729]  [<ffffffff811c6274>] __do_pipe_flags+0x34/0xf0
  Jul 25 19:28:07 nori kernel: [66433.247516]  [<ffffffff811c63a0>] SyS_pipe2+0x20/0xa0
  Jul 25 19:28:07 nori kernel: [66433.309550]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
  Jul 25 19:28:07 nori kernel: [66433.369834] Code: dc 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 14 01 00 00 48 85 c0 0f 84 0b 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63
  Jul 25 19:28:07 nori kernel: [66433.555173] RIP  [<ffffffff811a1e10>] kmem_cache_alloc_trace+0x80/0x1f0
  Jul 25 19:28:07 nori kernel: [66433.615690]  RSP <ffff8804661e9e80>
  Jul 25 19:28:07 nori kernel: [66433.675315] CR2: 000000014d2e0000
  Jul 25 19:28:07 nori kernel: [66433.734681] ---[ end trace e035f1f000edf183 ]---
  Jul 25 19:28:07 nori kernel: [66433.738331] [sched_delayed] sched: RT throttling activated
  Jul 25 19:28:11 nori kernel: [66433.880332] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:28:11 nori kernel: [66433.941308] IP: [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
  Jul 25 19:28:11 nori kernel: [66434.002298] PGD 0
  Jul 25 19:28:11 nori kernel: [66434.061614] Oops: 0000 [#5] SMP
  Jul 25 19:28:11 nori kernel: [66434.120086] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:28:11 nori kernel: [66434.699905] CPU: 14 PID: 103621 Comm: qemu-system-x86 Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:28:11 nori kernel: [66434.830460] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:28:11 nori kernel: [66434.966384] task: ffff88085aebc7d0 ti: ffff88085b46e000 task.ti: ffff88085b46e000
  Jul 25 19:28:11 nori kernel: [66435.106474] RIP: 0010:[<ffffffff811a4075>]  [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
  Jul 25 19:28:11 nori kernel: [66435.253491] RSP: 0018:ffff88085b46fc70  EFLAGS: 00010286
  Jul 25 19:28:11 nori kernel: [66435.327962] RAX: 0000000000000000 RBX: 00007f634e8d74c0 RCX: 00000000000fb9d0
  Jul 25 19:28:11 nori kernel: [66435.402936] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 00000000000003bf
  Jul 25 19:28:11 nori kernel: [66435.477346] RBP: ffff88085b46fca8 R08: 00000000000172a0 R09: ffff88046f007500
  Jul 25 19:28:11 nori kernel: [66435.550478] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000000000d0
  Jul 25 19:28:11 nori kernel: [66435.623134] R13: 000000014d2e0000 R14: 00000000000003c0 R15: ffff88046f007500
  Jul 25 19:28:11 nori kernel: [66435.695852] FS:  00007f634e8d8700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:28:11 nori kernel: [66435.841158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:28:11 nori kernel: [66435.914677] CR2: 000000014d2e0000 CR3: 0000000858de0000 CR4: 00000000001427e0
  Jul 25 19:28:11 nori kernel: [66435.988577] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:28:11 nori kernel: [66436.061108] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:28:11 nori kernel: [66436.133334] Stack:
  Jul 25 19:28:11 nori kernel: [66436.203477]  ffff88046f007500 ffffffffa0324225 00007f634e8d74c0 00000000000003c0
  Jul 25 19:28:11 nori kernel: [66436.344678]  00007f634e8d74c8 00000000fffffff9 0000000000000001 ffff88085b46fcd0
  Jul 25 19:28:11 nori kernel: [66436.485671]  ffffffff8116a095 00007f634e8d74c0 ffff8802edcb3f00 ffffffffa0320470
  Jul 25 19:28:11 nori kernel: [66436.626780] Call Trace:
  Jul 25 19:28:11 nori kernel: [66436.694762]  [<ffffffffa0324225>] ? msr_io+0x65/0x130 [kvm]
  Jul 25 19:28:11 nori kernel: [66436.763256]  [<ffffffff8116a095>] memdup_user+0x25/0x70
  Jul 25 19:28:11 nori kernel: [66436.830534]  [<ffffffffa0320470>] ? msr_mtrr_valid+0x70/0x70 [kvm]
  Jul 25 19:28:11 nori kernel: [66436.897141]  [<ffffffffa0324225>] msr_io+0x65/0x130 [kvm]
  Jul 25 19:28:11 nori kernel: [66436.962155]  [<ffffffffa032b756>] kvm_arch_vcpu_ioctl+0xc36/0xfe0 [kvm]
  Jul 25 19:28:11 nori kernel: [66437.026637]  [<ffffffff81177cfa>] ? do_numa_page+0x14a/0x1b0
  Jul 25 19:28:11 nori kernel: [66437.089710]  [<ffffffff81178eaf>] ? handle_mm_fault+0x5ff/0xf00
  Jul 25 19:28:11 nori kernel: [66437.151466]  [<ffffffffa032a98e>] ? kvm_arch_vcpu_load+0x4e/0x1e0 [kvm]
  Jul 25 19:28:11 nori kernel: [66437.212512]  [<ffffffffa0317e67>] kvm_vcpu_ioctl+0xc7/0x5b0 [kvm]
  Jul 25 19:28:11 nori kernel: [66437.272204]  [<ffffffff81727c64>] ? __do_page_fault+0x204/0x560
  Jul 25 19:28:11 nori kernel: [66437.331197]  [<ffffffff810775c6>] ? dequeue_signal+0x36/0x170
  Jul 25 19:28:11 nori kernel: [66437.389178]  [<ffffffff816346d5>] ? sk_run_filter+0x295/0x700
  Jul 25 19:28:11 nori kernel: [66437.447124]  [<ffffffff811cfd10>] do_vfs_ioctl+0x2e0/0x4c0
  Jul 25 19:28:11 nori kernel: [66437.504750]  [<ffffffff8110dd43>] ? __secure_computing+0x73/0x260
  Jul 25 19:28:11 nori kernel: [66437.562640]  [<ffffffff811cff71>] SyS_ioctl+0x81/0xa0
  Jul 25 19:28:11 nori kernel: [66437.620376]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
  Jul 25 19:28:11 nori kernel: [66437.677003] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 1a 01 00 00 48 85 c0 0f 84 11 01 00 00 49 63 47 20 48 8d 4a 01 4d 8b 07 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
  Jul 25 19:28:11 nori kernel: [66437.853382] RIP  [<ffffffff811a4075>] __kmalloc_track_caller+0x95/0x230
  Jul 25 19:28:11 nori kernel: [66437.912362]  RSP <ffff88085b46fc70>
  Jul 25 19:28:11 nori kernel: [66437.971478] CR2: 000000014d2e0000
  Jul 25 19:28:11 nori kernel: [66438.029206] ---[ end trace e035f1f000edf184 ]---
  Jul 25 19:29:46 nori kernel: [66529.161626] BUG: unable to handle kernel paging request at 000000014d2e0000
  Jul 25 19:29:46 nori kernel: [66529.219832] IP: [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:29:46 nori kernel: [66529.276997] PGD 4659dc067 PUD 0
  Jul 25 19:29:46 nori kernel: [66529.332252] Oops: 0000 [#6] SMP
  Jul 25 19:29:46 nori kernel: [66529.385593] Modules linked in: nls_utf8 isofs ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel mei_me aes_x86_64 lrw gf128mul ipmi_si mei glue_helper gpio_ich lpc_ich joydev ablk_helper wmi cryptd acpi_power_meter acpi_pad mac_hid lp parport hid_generic usbhid hid ixgbe dca ptp ahci pps_core libahci mdio
  Jul 25 19:29:46 nori kernel: [66529.930916] CPU: 14 PID: 103744 Comm: run Tainted: G      D      3.13.0-32-generic #57-Ubuntu
  Jul 25 19:29:46 nori kernel: [66530.060598] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0030.R03.1405061547 05/06/2014
  Jul 25 19:29:46 nori kernel: [66530.195598] task: ffff88039eff0000 ti: ffff880035e74000 task.ti: ffff880035e74000
  Jul 25 19:29:46 nori kernel: [66530.335591] RIP: 0010:[<ffffffff811a1775>]  [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:29:46 nori kernel: [66530.481270] RSP: 0018:ffff880035e75d58  EFLAGS: 00010286
  Jul 25 19:29:46 nori kernel: [66530.556289] RAX: 0000000000000000 RBX: 00007fa1837f13f0 RCX: 00000000000fb9d0
  Jul 25 19:29:46 nori kernel: [66530.632001] RDX: 00000000000fb9cf RSI: 0000000000000000 RDI: 000000000000020f
  Jul 25 19:29:46 nori kernel: [66530.706075] RBP: ffff880035e75d88 R08: 00000000000172a0 R09: ffffffff811d1412
  Jul 25 19:29:46 nori kernel: [66530.780072] R10: ffff88046f007500 R11: 0000000000000293 R12: 00000000000000d0
  Jul 25 19:29:46 nori kernel: [66530.852684] R13: 000000014d2e0000 R14: 0000000000000210 R15: ffff88046f007500
  Jul 25 19:29:46 nori kernel: [66530.924510] FS:  00007fa1837fe700(0000) GS:ffff88086ec00000(0000) knlGS:0000000000000000
  Jul 25 19:29:46 nori kernel: [66531.069197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jul 25 19:29:46 nori kernel: [66531.142395] CR2: 000000014d2e0000 CR3: 000000039efbd000 CR4: 00000000001427e0
  Jul 25 19:29:46 nori kernel: [66531.215837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 25 19:29:46 nori kernel: [66531.288274] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jul 25 19:29:46 nori kernel: [66531.360388] Stack:
  Jul 25 19:29:46 nori kernel: [66531.430399]  ffffffff811d1412 00007fa1837f13f0 0000000000000058 000000000000028f
  Jul 25 19:29:46 nori kernel: [66531.571372]  000000000000028f 00007fa1837f14f0 ffff880035e75f18 ffffffff811d1412
  Jul 25 19:29:46 nori kernel: [66531.712044]  0000028f68a217f0 ffff880035e75f30 00007fa1837f14f0 000000000000000b
  Jul 25 19:29:46 nori kernel: [66531.852772] Call Trace:
  Jul 25 19:29:46 nori kernel: [66531.920562]  [<ffffffff811d1412>] ? core_sys_select+0x92/0x2e0
  Jul 25 19:29:46 nori kernel: [66531.989230]  [<ffffffff811d1412>] core_sys_select+0x92/0x2e0
  Jul 25 19:29:46 nori kernel: [66532.056448]  [<ffffffff8109a7f0>] ? wake_up_state+0x10/0x20
  Jul 25 19:29:46 nori kernel: [66532.122413]  [<ffffffff810d7c56>] ? wake_futex+0x66/0x90
  Jul 25 19:29:46 nori kernel: [66532.186565]  [<ffffffff810d8c01>] ? futex_wake+0x1b1/0x1d0
  Jul 25 19:29:46 nori kernel: [66532.249039]  [<ffffffff8111155c>] ? acct_account_cputime+0x1c/0x20
  Jul 25 19:29:46 nori kernel: [66532.310497]  [<ffffffff8109d7db>] ? account_user_time+0x8b/0xa0
  Jul 25 19:29:46 nori kernel: [66532.370456]  [<ffffffff8101b269>] ? read_tsc+0x9/0x20
  Jul 25 19:29:46 nori kernel: [66532.428566]  [<ffffffff810cd6e8>] ? ktime_get_ts+0x48/0xe0
  Jul 25 19:29:46 nori kernel: [66532.485142]  [<ffffffff811d170b>] SyS_select+0xab/0x100
  Jul 25 19:29:46 nori kernel: [66532.540808]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
  Jul 25 19:29:46 nori kernel: [66532.595317] Code: dc 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 26 01 00 00 48 85 c0 0f 84 1d 01 00 00 49 63 42 20 48 8d 4a 01 4d 8b 02 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
  Jul 25 19:29:46 nori kernel: [66532.771733] RIP  [<ffffffff811a1775>] __kmalloc+0x95/0x230
  Jul 25 19:29:46 nori kernel: [66532.830082]  RSP <ffff880035e75d58>
  Jul 25 19:29:46 nori kernel: [66532.887138] CR2: 000000014d2e0000
  Jul 25 19:29:46 nori kernel: [66532.942316] ---[ end trace e035f1f000edf185 ]---

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Follow ups

[Bug 1348783] Re: BUG: unable to handle kernel paging request at 000000014d2e0000
From: Christopher M. Penalver, 2014-07-28
[Bug 1348783] WifiSyslog.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] UdevLog.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] UdevDb.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] ProcModules.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] ProcInterrupts.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] ProcCpuinfo.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] Lsusb.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] Lspci.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] IwConfig.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] CurrentDmesg.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] BootDmesg.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] ProcModules.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] ProcInterrupts.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] ProcCpuinfo.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] Lsusb.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] Lspci.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] IwConfig.txt
From: Brad Figg, 2014-07-25
[Bug 1348783] Re: BUG: unable to handle kernel paging request at 000000014d2e0000
From: Brad Figg, 2014-07-25
[Bug 1348783] Missing required logs.
From: Brad Figg, 2014-07-25
[Bug 1348783] [NEW] BUG: unable to handle kernel paging request at 000000014d2e0000
From: Brad Figg, 2014-07-25
References

[Bug 1348783] [NEW] BUG: unable to handle kernel paging request at 000000014d2e0000
From: Brad Figg, 2014-07-25