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[Bug 1385820] [NEW] BUG - CLOCK

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: brent <bmtb8589@xxxxxxxxx>
Date: Sun, 26 Oct 2014 07:29:42 -0000
Reply-to: Bug 1385820 <1385820@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Oct 26 13:01:16 modmart kernel: [176260.028011] BUG: soft lockup - CPU#0 stuck for 22s! [sshd:19060]
Oct 26 13:01:16 modmart kernel: [176260.028011] Modules linked in: ipt_REJECT tcp_diag inet_diag xt_multiport iptable_filter ip_tables x_tables pvpanic serio_raw mac_hid i2c_piix4 psmouse floppy
Oct 26 13:01:16 modmart kernel: [176260.028011] CPU: 0 PID: 19060 Comm: sshd Not tainted 3.13.0-24-generic #47-Ubuntu
Oct 26 13:01:16 modmart kernel: [176260.028011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Oct 26 13:01:16 modmart kernel: [176260.028011] task: ffff880036958000 ti: ffff880006ec0000 task.ti: ffff880006ec0000
Oct 26 13:01:16 modmart kernel: [176260.028011] RIP: 0010:[<ffffffff816c86f4>]  [<ffffffff816c86f4>] fib6_walk_continue+0x114/0x1c0
Oct 26 13:01:16 modmart kernel: [176260.028011] RSP: 0018:ffff88003fc03818  EFLAGS: 00000297
Oct 26 13:01:16 modmart kernel: [176260.028011] RAX: ffff88003c6987c0 RBX: 0000000000000000 RCX: ffffffff81cd9b00
Oct 26 13:01:16 modmart kernel: [176260.028011] RDX: 0000000000000000 RSI: ffff88003fc038f8 RDI: ffff88003cb69e00
Oct 26 13:01:16 modmart kernel: [176260.028011] RBP: ffff88003fc03820 R08: 0000000000000000 R09: ffff88003fc17260
Oct 26 13:01:16 modmart kernel: [176260.028011] R10: ffffffff816090e7 R11: ffffea0000127800 R12: ffff88003fc03788
Oct 26 13:01:16 modmart kernel: [176260.028011] R13: ffffffff8172721d R14: ffff88003fc03820 R15: ffff88003fc03860
Oct 26 13:01:16 modmart kernel: [176260.028011] FS:  00007fcf9b18f840(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000
Oct 26 13:01:16 modmart kernel: [176260.028011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 26 13:01:16 modmart kernel: [176260.028011] CR2: 00007fcf96f74ca0 CR3: 0000000006f14000 CR4: 00000000000006f0
Oct 26 13:01:16 modmart kernel: [176260.028011] Stack:
Oct 26 13:01:16 modmart kernel: [176260.028011]  ffff88003fc03860 ffff88003fc03840 ffffffff816c91fa ffffffff8171d812
Oct 26 13:01:16 modmart kernel: [176260.028011]  ffffffff81cd9b00 ffff88003fc038e8 ffffffff816caf4c 00000000000007f8
Oct 26 13:01:16 modmart kernel: [176260.028011]  00ff880002925b00 ffffffff81ce3440 ffffffff81ce3440 ffff8800368eef98
Oct 26 13:01:16 modmart kernel: [176260.028011] Call Trace:
Oct 26 13:01:16 modmart kernel: [176260.028011]  <IRQ> 
Oct 26 13:01:16 modmart kernel: [176260.028011]  [<ffffffff816c91fa>] fib6_walk+0x5a/0xc0
Oct 26 13:01:16 modmart kernel: [176260.028011]  [<ffffffff8171d812>] ? _raw_write_lock_bh+0x12/0x30
Oct 26 13:01:16 modmart kernel: [176260.028011]  [<ffffffff816caf4c>] fib6_clean_all+0x9c/0xe0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816cadd0>] ? fib6_del+0x3e0/0x3e0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816c28c0>] ? ip6_default_advmss+0x40/0x40
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816c812f>] rt6_remove_prefsrc+0x3f/0x50
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816be3f1>] ipv6_del_addr+0x281/0x510
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816090e7>] ? kfree_skbmem+0x37/0xa0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816bf345>] addrconf_verify+0x365/0x380
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816bdc0b>] ? __ipv6_ifa_notify+0x14b/0x2c0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816c00b1>] addrconf_prefix_rcv+0x211/0xa50
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b9a9e>] ? ipv6_chk_addr+0x7e/0xe0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b9aed>] ? ipv6_chk_addr+0xcd/0xe0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816ce4c6>] ndisc_router_discovery+0x606/0xab0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816cfc85>] ndisc_rcv+0x245/0x690
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d813>] ? account_system_time+0x93/0x170
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d91e>] ? __vtime_account_system+0x2e/0x40
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816d66e0>] icmpv6_rcv+0x380/0x770
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8172721d>] ? apic_timer_interrupt+0x6d/0x80
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8171d895>] ? _raw_read_unlock_bh+0x15/0x20
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b8e82>] ip6_input_finish+0xd2/0x420
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b96e2>] ip6_input+0x22/0x60
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b97e1>] ip6_mc_input+0xc1/0x190
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b8d05>] ip6_rcv_finish+0x95/0xa0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b94a3>] ipv6_rcv+0x2d3/0x4f0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161a906>] __netif_receive_skb_core+0x666/0x840
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b200>] ? hw_breakpoint_pmu_read+0x10/0x10
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161aaf8>] __netif_receive_skb+0x18/0x60
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161ab63>] netif_receive_skb+0x23/0x90
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff815216e4>] virtnet_poll+0x4d4/0x850
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161aee2>] net_rx_action+0x152/0x250
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8106caec>] __do_softirq+0xec/0x2c0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81727edc>] do_softirq_own_stack+0x1c/0x30
Oct 26 13:01:17 modmart kernel: [176260.028011]  <EOI> 
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8106cd65>] do_softirq+0x55/0x60
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8106ce84>] local_bh_enable_ip+0x84/0x90
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8171d895>] _raw_read_unlock_bh+0x15/0x20
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816bbbd5>] inet6_dump_addr+0x185/0x540
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816bbfe0>] inet6_dump_ifaddr+0x10/0x20
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816291e8>] rtnl_dump_all+0x58/0x1a0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81645064>] netlink_dump+0x84/0x240
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81645405>] netlink_recvmsg+0x1e5/0x3a0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161e585>] ? netdev_run_todo+0x55/0x300
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8160282a>] sock_recvmsg+0x9a/0xd0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8114e5c3>] ? unlock_page+0x23/0x30
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81601142>] ? move_addr_to_user+0xb2/0xd0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8160146e>] ___sys_recvmsg+0x11e/0x2b0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b7d9>] ? sched_clock+0x9/0x10
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d76b>] ? account_user_time+0x8b/0xa0
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81603722>] __sys_recvmsg+0x42/0x80
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81603772>] SyS_recvmsg+0x12/0x20
Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff817266bf>] tracesys+0xe1/0xe6
Oct 26 13:01:17 modmart kernel: [176260.028011] Code: c6 43 28 02 0f 1f 00 48 8b 50 10 48 85 d2 74 6f 48 89 53 18 c6 43 28 00 48 89 d0 e9 0f ff ff ff 0f 1f 80 00 00 00 00 48 8b 50 18 <48> 85 d2 74 bf 48 89 53 18 48 89 d0 e9 f3 fe ff ff 0f 1f 00 c6 
Oct 26 13:01:17 modmart kernel: [176272.124011] BUG: soft lockup - CPU#1 stuck for 23s! [migration/1:16]
Oct 26 13:01:17 modmart kernel: [176272.124011] Modules linked in: ipt_REJECT tcp_diag inet_diag xt_multiport iptable_filter ip_tables x_tables pvpanic serio_raw mac_hid i2c_piix4 psmouse floppy
Oct 26 13:01:17 modmart kernel: [176272.124011] CPU: 1 PID: 16 Comm: migration/1 Not tainted 3.13.0-24-generic #47-Ubuntu
Oct 26 13:01:17 modmart kernel: [176272.124011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Oct 26 13:01:17 modmart kernel: [176272.124011] task: ffff88003dab17f0 ti: ffff88003dab8000 task.ti: ffff88003dab8000
Oct 26 13:01:17 modmart kernel: [176272.124011] RIP: 0010:[<ffffffff810f571b>]  [<ffffffff810f571b>] multi_cpu_stop+0x6b/0xf0
Oct 26 13:01:17 modmart kernel: [176272.124011] RSP: 0018:ffff88003dab9d98  EFLAGS: 00000293
Oct 26 13:01:17 modmart kernel: [176272.124011] RAX: 0000000000000000 RBX: ffff88003fd14e80 RCX: 0000000000000003
Oct 26 13:01:17 modmart kernel: [176272.124011] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff81d12600
Oct 26 13:01:17 modmart kernel: [176272.124011] RBP: ffff88003dab9db8 R08: ffffffff81d12608 R09: 0000000000000001
Oct 26 13:01:17 modmart kernel: [176272.124011] R10: 0000000000003a1d R11: 0000000000000000 R12: ffff88003dab9d28
Oct 26 13:01:17 modmart kernel: [176272.124011] R13: ffffffff8101b7d9 R14: ffff88003dab9d00 R15: ffffffff8101b763
Oct 26 13:01:17 modmart kernel: [176272.124011] FS:  0000000000000000(0000) GS:ffff88003fd00000(0000) knlGS:0000000000000000
Oct 26 13:01:17 modmart kernel: [176272.124011] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Oct 26 13:01:17 modmart kernel: [176272.124011] CR2: 00007fc2994e9020 CR3: 0000000036b7f000 CR4: 00000000000006e0
Oct 26 13:01:17 modmart kernel: [176272.124011] Stack:
Oct 26 13:01:17 modmart kernel: [176272.124011]  ffff8800064c7d78 ffff88003fd0ede0 ffff88003fd0ede8 ffff8800064c7df8
Oct 26 13:01:17 modmart kernel: [176272.124011]  ffff88003dab9e78 ffffffff810f592e ffffffff8109df54 ffff88003fd14440
Oct 26 13:01:17 modmart kernel: [176272.124011]  ffff88003dab9e08 ffffffff81097498 0000000000000000 ffff88003fd14440
Oct 26 13:01:17 modmart kernel: [176272.124011] Call Trace:
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff810f592e>] cpu_stopper_thread+0x7e/0x150
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8109df54>] ? vtime_common_task_switch+0x24/0x40
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff81097498>] ? finish_task_switch+0x128/0x170
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff81719a71>] ? __schedule+0x381/0x7d0
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8109263f>] smpboot_thread_fn+0xff/0x1b0
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff81092540>] ? SyS_setgroups+0x1a0/0x1a0
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8108b312>] kthread+0xd2/0xf0
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8108b240>] ? kthread_create_on_node+0x1d0/0x1d0
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff817263fc>] ret_from_fork+0x7c/0xb0
Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8108b240>] ? kthread_create_on_node+0x1d0/0x1d0
Oct 26 13:01:17 modmart kernel: [176272.124011] Code: 31 f6 31 d2 eb 23 66 2e 0f 1f 84 00 00 00 00 00 83 fb 03 75 05 45 84 ed 75 66 f0 41 ff 4c 24 24 74 26 89 da 83 fa 04 74 3d f3 90 <41> 8b 5c 24 20 39 d3 74 f0 83 fb 02 75 d7 fa 66 0f 1f 44 00 00 
Oct 26 13:01:17 modmart kernel: [176288.028013] BUG: soft lockup - CPU#0 stuck for 23s! [sshd:19060]
Oct 26 13:01:17 modmart kernel: [176288.028013] Modules linked in: ipt_REJECT tcp_diag inet_diag xt_multiport iptable_filter ip_tables x_tables pvpanic serio_raw mac_hid i2c_piix4 psmouse floppy
Oct 26 13:01:17 modmart kernel: [176288.028013] CPU: 0 PID: 19060 Comm: sshd Not tainted 3.13.0-24-generic #47-Ubuntu
Oct 26 13:01:17 modmart kernel: [176288.028013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Oct 26 13:01:17 modmart kernel: [176288.028013] task: ffff880036958000 ti: ffff880006ec0000 task.ti: ffff880006ec0000
Oct 26 13:01:17 modmart kernel: [176288.028013] RIP: 0010:[<ffffffff816c28cc>]  [<ffffffff816c28cc>] fib6_remove_prefsrc+0xc/0x60
Oct 26 13:01:17 modmart kernel: [176288.028013] RSP: 0018:ffff88003fc037d8  EFLAGS: 00000287
Oct 26 13:01:17 modmart kernel: [176288.028013] RAX: ffff88003db32000 RBX: ffff88003fc038a0 RCX: ffffffff81cd9b00
Oct 26 13:01:17 modmart kernel: [176288.028013] RDX: 0000000000000000 RSI: ffff88003fc038f8 RDI: ffff880006cc5980
Oct 26 13:01:17 modmart kernel: [176288.028013] RBP: ffff88003fc03808 R08: 0000000000000000 R09: ffff88003fc17260
Oct 26 13:01:17 modmart kernel: [176288.028013] R10: ffffffff816090e7 R11: ffffea0000127800 R12: ffff88003fc03748
Oct 26 13:01:17 modmart kernel: [176288.028013] R13: ffffffff8172721d R14: ffff88003fc03808 R15: ffff880006cc5980
Oct 26 13:01:17 modmart kernel: [176288.028013] FS:  00007fcf9b18f840(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000
Oct 26 13:01:17 modmart kernel: [176288.028013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 26 13:01:17 modmart kernel: [176288.028013] CR2: 00007fcf96f74ca0 CR3: 0000000006f14000 CR4: 00000000000006f0
Oct 26 13:01:17 modmart kernel: [176288.028013] Stack:
Oct 26 13:01:17 modmart kernel: [176288.028013]  ffffffff816cae2f 0000000000000000 ffffffff81cd9b00 0000000000000000
Oct 26 13:01:17 modmart kernel: [176288.028013]  ffff88003fc03860 ffff8800368eef94 ffff88003fc03820 ffffffff816c8766
Oct 26 13:01:17 modmart kernel: [176288.028013]  ffff88003fc03860 ffff88003fc03840 ffffffff816c91fa ffffffff8171d812
Oct 26 13:01:17 modmart kernel: [176288.028013] Call Trace:
Oct 26 13:01:17 modmart kernel: [176288.028013]  <IRQ> 
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816cae2f>] ? fib6_clean_node+0x5f/0xe0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c8766>] fib6_walk_continue+0x186/0x1c0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c91fa>] fib6_walk+0x5a/0xc0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8171d812>] ? _raw_write_lock_bh+0x12/0x30
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816caf4c>] fib6_clean_all+0x9c/0xe0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816cadd0>] ? fib6_del+0x3e0/0x3e0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c28c0>] ? ip6_default_advmss+0x40/0x40
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c812f>] rt6_remove_prefsrc+0x3f/0x50
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816be3f1>] ipv6_del_addr+0x281/0x510
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816090e7>] ? kfree_skbmem+0x37/0xa0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816bf345>] addrconf_verify+0x365/0x380
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816bdc0b>] ? __ipv6_ifa_notify+0x14b/0x2c0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c00b1>] addrconf_prefix_rcv+0x211/0xa50
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b9a9e>] ? ipv6_chk_addr+0x7e/0xe0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b9aed>] ? ipv6_chk_addr+0xcd/0xe0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816ce4c6>] ndisc_router_discovery+0x606/0xab0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816cfc85>] ndisc_rcv+0x245/0x690
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d813>] ? account_system_time+0x93/0x170
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d91e>] ? __vtime_account_system+0x2e/0x40
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816d66e0>] icmpv6_rcv+0x380/0x770
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8172721d>] ? apic_timer_interrupt+0x6d/0x80
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8171d895>] ? _raw_read_unlock_bh+0x15/0x20
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b8e82>] ip6_input_finish+0xd2/0x420
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b96e2>] ip6_input+0x22/0x60
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b97e1>] ip6_mc_input+0xc1/0x190
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b8d05>] ip6_rcv_finish+0x95/0xa0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b94a3>] ipv6_rcv+0x2d3/0x4f0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161a906>] __netif_receive_skb_core+0x666/0x840
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b200>] ? hw_breakpoint_pmu_read+0x10/0x10
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161aaf8>] __netif_receive_skb+0x18/0x60
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161ab63>] netif_receive_skb+0x23/0x90
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff815216e4>] virtnet_poll+0x4d4/0x850
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161aee2>] net_rx_action+0x152/0x250
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8106caec>] __do_softirq+0xec/0x2c0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81727edc>] do_softirq_own_stack+0x1c/0x30
Oct 26 13:01:17 modmart kernel: [176288.028013]  <EOI> 
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8106cd65>] do_softirq+0x55/0x60
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8106ce84>] local_bh_enable_ip+0x84/0x90
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8171d895>] _raw_read_unlock_bh+0x15/0x20
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816bbbd5>] inet6_dump_addr+0x185/0x540
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816bbfe0>] inet6_dump_ifaddr+0x10/0x20
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816291e8>] rtnl_dump_all+0x58/0x1a0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81645064>] netlink_dump+0x84/0x240
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81645405>] netlink_recvmsg+0x1e5/0x3a0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161e585>] ? netdev_run_todo+0x55/0x300
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8160282a>] sock_recvmsg+0x9a/0xd0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8114e5c3>] ? unlock_page+0x23/0x30
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81601142>] ? move_addr_to_user+0xb2/0xd0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8160146e>] ___sys_recvmsg+0x11e/0x2b0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b7d9>] ? sched_clock+0x9/0x10
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d76b>] ? account_user_time+0x8b/0xa0
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81603722>] __sys_recvmsg+0x42/0x80
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81603772>] SyS_recvmsg+0x12/0x20
Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff817266bf>] tracesys+0xe1/0xe6
Oct 26 13:01:17 modmart kernel: [176288.028013] Code: 8b 92 08 04 00 00 39 d0 0f 42 c2 ba ff ff 00 00 3d ec ff 00 00 0f 43 c2 c3 66 0f 1f 44 00 00 0f 1f 44 00 00 48 8b 06 48 39 47 18 <55> 48 8b 4e 08 48 8b 56 10 48 89 e5 74 0e 48 85 c0 74 09 31 c0 
Oct 26 13:01:17 modmart kernel: [176300.124014] BUG: soft lockup - CPU#1 stuck for 23s! [migration/1:16]
Oct 26 13:01:17 modmart kernel: [176300.124014] Modules linked in: ipt_REJECT tcp_diag inet_diag xt_multiport iptable_filter ip_tables x_tables pvpanic serio_raw mac_hid i2c_piix4 psmouse floppy
Oct 26 13:01:17 modmart kernel: [176300.124014] CPU: 1 PID: 16 Comm: migration/1 Not tainted 3.13.0-24-generic #47-Ubuntu
Oct 26 13:01:17 modmart kernel: [176300.124014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Oct 26 13:01:17 modmart kernel: [176300.124014] task: ffff88003dab17f0 ti: ffff88003dab8000 task.ti: ffff88003dab8000
Oct 26 13:01:17 modmart kernel: [176300.124014] RIP: 0010:[<ffffffff810f571b>]  [<ffffffff810f571b>] multi_cpu_stop+0x6b/0xf0
Oct 26 13:01:17 modmart kernel: [176300.124014] RSP: 0018:ffff88003dab9d98  EFLAGS: 00000293
Oct 26 13:01:17 modmart kernel: [176300.124014] RAX: 0000000000000000 RBX: ffff88003fd14e80 RCX: 0000000000000003
Oct 26 13:01:17 modmart kernel: [176300.124014] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff81d12600
Oct 26 13:01:17 modmart kernel: [176300.124014] RBP: ffff88003dab9db8 R08: ffffffff81d12608 R09: 0000000000000001
Oct 26 13:01:17 modmart kernel: [176300.124014] R10: 0000000000003a1d R11: 0000000000000000 R12: ffff88003dab9d28
Oct 26 13:01:17 modmart kernel: [176300.124014] R13: ffffffff8101b7d9 R14: ffff88003dab9d00 R15: ffffffff8101b763
Oct 26 13:01:17 modmart kernel: [176300.124014] FS:  0000000000000000(0000) GS:ffff88003fd00000(0000) knlGS:0000000000000000
Oct 26 13:01:17 modmart kernel: [176300.124014] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Oct 26 13:01:17 modmart kernel: [176300.124014] CR2: 00007fc2994e9020 CR3: 0000000036b7f000 CR4: 00000000000006e0
Oct 26 13:01:17 modmart kernel: [176300.124014] Stack:
Oct 26 13:01:17 modmart kernel: [176300.124014]  ffff8800064c7d78 ffff88003fd0ede0 ffff88003fd0ede8 ffff8800064c7df8
Oct 26 13:01:17 modmart kernel: [176300.124014]  ffff88003dab9e78 ffffffff810f592e ffffffff8109df54 ffff88003fd14440
Oct 26 13:01:17 modmart kernel: [176300.124014]  ffff88003dab9e08 ffffffff81097498 0000000000000000 ffff88003fd14440
Oct 26 13:01:17 modmart kernel: [176300.124014] Call Trace:
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff810f592e>] cpu_stopper_thread+0x7e/0x150
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8109df54>] ? vtime_common_task_switch+0x24/0x40
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff81097498>] ? finish_task_switch+0x128/0x170
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff81719a71>] ? __schedule+0x381/0x7d0
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8109263f>] smpboot_thread_fn+0xff/0x1b0
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff81092540>] ? SyS_setgroups+0x1a0/0x1a0
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8108b312>] kthread+0xd2/0xf0
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8108b240>] ? kthread_create_on_node+0x1d0/0x1d0
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff817263fc>] ret_from_fork+0x7c/0xb0
Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8108b240>] ? kthread_create_on_node+0x1d0/0x1d0
Oct 26 13:01:17 modmart kernel: [176300.124014] Code: 31 f6 31 d2 eb 23 66 2e 0f 1f 84 00 00 00 00 00 83 fb 03 75 05 45 84 ed 75 66 f0 41 ff 4c 24 24 74 26 89 da 83 fa 04 74 3d f3 90 <41> 8b 5c 24 20 39 d3 74 f0 83 fb 02 75 d7 fa 66 0f 1f 44 00 00 
Oct 26 13:01:17 modmart kernel: [176314.448015] [sched_delayed] sched: RT throttling activated
Oct 26 13:01:17 modmart kernel: [176314.882681] Switched to clocksource hpet

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


** Tags: trusty

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1385820

Title:
  BUG - CLOCK

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Oct 26 13:01:16 modmart kernel: [176260.028011] BUG: soft lockup - CPU#0 stuck for 22s! [sshd:19060]
  Oct 26 13:01:16 modmart kernel: [176260.028011] Modules linked in: ipt_REJECT tcp_diag inet_diag xt_multiport iptable_filter ip_tables x_tables pvpanic serio_raw mac_hid i2c_piix4 psmouse floppy
  Oct 26 13:01:16 modmart kernel: [176260.028011] CPU: 0 PID: 19060 Comm: sshd Not tainted 3.13.0-24-generic #47-Ubuntu
  Oct 26 13:01:16 modmart kernel: [176260.028011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
  Oct 26 13:01:16 modmart kernel: [176260.028011] task: ffff880036958000 ti: ffff880006ec0000 task.ti: ffff880006ec0000
  Oct 26 13:01:16 modmart kernel: [176260.028011] RIP: 0010:[<ffffffff816c86f4>]  [<ffffffff816c86f4>] fib6_walk_continue+0x114/0x1c0
  Oct 26 13:01:16 modmart kernel: [176260.028011] RSP: 0018:ffff88003fc03818  EFLAGS: 00000297
  Oct 26 13:01:16 modmart kernel: [176260.028011] RAX: ffff88003c6987c0 RBX: 0000000000000000 RCX: ffffffff81cd9b00
  Oct 26 13:01:16 modmart kernel: [176260.028011] RDX: 0000000000000000 RSI: ffff88003fc038f8 RDI: ffff88003cb69e00
  Oct 26 13:01:16 modmart kernel: [176260.028011] RBP: ffff88003fc03820 R08: 0000000000000000 R09: ffff88003fc17260
  Oct 26 13:01:16 modmart kernel: [176260.028011] R10: ffffffff816090e7 R11: ffffea0000127800 R12: ffff88003fc03788
  Oct 26 13:01:16 modmart kernel: [176260.028011] R13: ffffffff8172721d R14: ffff88003fc03820 R15: ffff88003fc03860
  Oct 26 13:01:16 modmart kernel: [176260.028011] FS:  00007fcf9b18f840(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000
  Oct 26 13:01:16 modmart kernel: [176260.028011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Oct 26 13:01:16 modmart kernel: [176260.028011] CR2: 00007fcf96f74ca0 CR3: 0000000006f14000 CR4: 00000000000006f0
  Oct 26 13:01:16 modmart kernel: [176260.028011] Stack:
  Oct 26 13:01:16 modmart kernel: [176260.028011]  ffff88003fc03860 ffff88003fc03840 ffffffff816c91fa ffffffff8171d812
  Oct 26 13:01:16 modmart kernel: [176260.028011]  ffffffff81cd9b00 ffff88003fc038e8 ffffffff816caf4c 00000000000007f8
  Oct 26 13:01:16 modmart kernel: [176260.028011]  00ff880002925b00 ffffffff81ce3440 ffffffff81ce3440 ffff8800368eef98
  Oct 26 13:01:16 modmart kernel: [176260.028011] Call Trace:
  Oct 26 13:01:16 modmart kernel: [176260.028011]  <IRQ> 
  Oct 26 13:01:16 modmart kernel: [176260.028011]  [<ffffffff816c91fa>] fib6_walk+0x5a/0xc0
  Oct 26 13:01:16 modmart kernel: [176260.028011]  [<ffffffff8171d812>] ? _raw_write_lock_bh+0x12/0x30
  Oct 26 13:01:16 modmart kernel: [176260.028011]  [<ffffffff816caf4c>] fib6_clean_all+0x9c/0xe0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816cadd0>] ? fib6_del+0x3e0/0x3e0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816c28c0>] ? ip6_default_advmss+0x40/0x40
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816c812f>] rt6_remove_prefsrc+0x3f/0x50
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816be3f1>] ipv6_del_addr+0x281/0x510
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816090e7>] ? kfree_skbmem+0x37/0xa0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816bf345>] addrconf_verify+0x365/0x380
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816bdc0b>] ? __ipv6_ifa_notify+0x14b/0x2c0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816c00b1>] addrconf_prefix_rcv+0x211/0xa50
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b9a9e>] ? ipv6_chk_addr+0x7e/0xe0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b9aed>] ? ipv6_chk_addr+0xcd/0xe0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816ce4c6>] ndisc_router_discovery+0x606/0xab0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816cfc85>] ndisc_rcv+0x245/0x690
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d813>] ? account_system_time+0x93/0x170
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d91e>] ? __vtime_account_system+0x2e/0x40
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816d66e0>] icmpv6_rcv+0x380/0x770
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8172721d>] ? apic_timer_interrupt+0x6d/0x80
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8171d895>] ? _raw_read_unlock_bh+0x15/0x20
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b8e82>] ip6_input_finish+0xd2/0x420
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b96e2>] ip6_input+0x22/0x60
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b97e1>] ip6_mc_input+0xc1/0x190
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b8d05>] ip6_rcv_finish+0x95/0xa0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816b94a3>] ipv6_rcv+0x2d3/0x4f0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161a906>] __netif_receive_skb_core+0x666/0x840
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b200>] ? hw_breakpoint_pmu_read+0x10/0x10
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161aaf8>] __netif_receive_skb+0x18/0x60
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161ab63>] netif_receive_skb+0x23/0x90
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff815216e4>] virtnet_poll+0x4d4/0x850
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161aee2>] net_rx_action+0x152/0x250
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8106caec>] __do_softirq+0xec/0x2c0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81727edc>] do_softirq_own_stack+0x1c/0x30
  Oct 26 13:01:17 modmart kernel: [176260.028011]  <EOI> 
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8106cd65>] do_softirq+0x55/0x60
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8106ce84>] local_bh_enable_ip+0x84/0x90
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8171d895>] _raw_read_unlock_bh+0x15/0x20
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816bbbd5>] inet6_dump_addr+0x185/0x540
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816bbfe0>] inet6_dump_ifaddr+0x10/0x20
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff816291e8>] rtnl_dump_all+0x58/0x1a0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81645064>] netlink_dump+0x84/0x240
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81645405>] netlink_recvmsg+0x1e5/0x3a0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8161e585>] ? netdev_run_todo+0x55/0x300
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8160282a>] sock_recvmsg+0x9a/0xd0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8114e5c3>] ? unlock_page+0x23/0x30
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81601142>] ? move_addr_to_user+0xb2/0xd0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8160146e>] ___sys_recvmsg+0x11e/0x2b0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b7d9>] ? sched_clock+0x9/0x10
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff8109d76b>] ? account_user_time+0x8b/0xa0
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81603722>] __sys_recvmsg+0x42/0x80
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff81603772>] SyS_recvmsg+0x12/0x20
  Oct 26 13:01:17 modmart kernel: [176260.028011]  [<ffffffff817266bf>] tracesys+0xe1/0xe6
  Oct 26 13:01:17 modmart kernel: [176260.028011] Code: c6 43 28 02 0f 1f 00 48 8b 50 10 48 85 d2 74 6f 48 89 53 18 c6 43 28 00 48 89 d0 e9 0f ff ff ff 0f 1f 80 00 00 00 00 48 8b 50 18 <48> 85 d2 74 bf 48 89 53 18 48 89 d0 e9 f3 fe ff ff 0f 1f 00 c6 
  Oct 26 13:01:17 modmart kernel: [176272.124011] BUG: soft lockup - CPU#1 stuck for 23s! [migration/1:16]
  Oct 26 13:01:17 modmart kernel: [176272.124011] Modules linked in: ipt_REJECT tcp_diag inet_diag xt_multiport iptable_filter ip_tables x_tables pvpanic serio_raw mac_hid i2c_piix4 psmouse floppy
  Oct 26 13:01:17 modmart kernel: [176272.124011] CPU: 1 PID: 16 Comm: migration/1 Not tainted 3.13.0-24-generic #47-Ubuntu
  Oct 26 13:01:17 modmart kernel: [176272.124011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
  Oct 26 13:01:17 modmart kernel: [176272.124011] task: ffff88003dab17f0 ti: ffff88003dab8000 task.ti: ffff88003dab8000
  Oct 26 13:01:17 modmart kernel: [176272.124011] RIP: 0010:[<ffffffff810f571b>]  [<ffffffff810f571b>] multi_cpu_stop+0x6b/0xf0
  Oct 26 13:01:17 modmart kernel: [176272.124011] RSP: 0018:ffff88003dab9d98  EFLAGS: 00000293
  Oct 26 13:01:17 modmart kernel: [176272.124011] RAX: 0000000000000000 RBX: ffff88003fd14e80 RCX: 0000000000000003
  Oct 26 13:01:17 modmart kernel: [176272.124011] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff81d12600
  Oct 26 13:01:17 modmart kernel: [176272.124011] RBP: ffff88003dab9db8 R08: ffffffff81d12608 R09: 0000000000000001
  Oct 26 13:01:17 modmart kernel: [176272.124011] R10: 0000000000003a1d R11: 0000000000000000 R12: ffff88003dab9d28
  Oct 26 13:01:17 modmart kernel: [176272.124011] R13: ffffffff8101b7d9 R14: ffff88003dab9d00 R15: ffffffff8101b763
  Oct 26 13:01:17 modmart kernel: [176272.124011] FS:  0000000000000000(0000) GS:ffff88003fd00000(0000) knlGS:0000000000000000
  Oct 26 13:01:17 modmart kernel: [176272.124011] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Oct 26 13:01:17 modmart kernel: [176272.124011] CR2: 00007fc2994e9020 CR3: 0000000036b7f000 CR4: 00000000000006e0
  Oct 26 13:01:17 modmart kernel: [176272.124011] Stack:
  Oct 26 13:01:17 modmart kernel: [176272.124011]  ffff8800064c7d78 ffff88003fd0ede0 ffff88003fd0ede8 ffff8800064c7df8
  Oct 26 13:01:17 modmart kernel: [176272.124011]  ffff88003dab9e78 ffffffff810f592e ffffffff8109df54 ffff88003fd14440
  Oct 26 13:01:17 modmart kernel: [176272.124011]  ffff88003dab9e08 ffffffff81097498 0000000000000000 ffff88003fd14440
  Oct 26 13:01:17 modmart kernel: [176272.124011] Call Trace:
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff810f592e>] cpu_stopper_thread+0x7e/0x150
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8109df54>] ? vtime_common_task_switch+0x24/0x40
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff81097498>] ? finish_task_switch+0x128/0x170
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff81719a71>] ? __schedule+0x381/0x7d0
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8109263f>] smpboot_thread_fn+0xff/0x1b0
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff81092540>] ? SyS_setgroups+0x1a0/0x1a0
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8108b312>] kthread+0xd2/0xf0
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8108b240>] ? kthread_create_on_node+0x1d0/0x1d0
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff817263fc>] ret_from_fork+0x7c/0xb0
  Oct 26 13:01:17 modmart kernel: [176272.124011]  [<ffffffff8108b240>] ? kthread_create_on_node+0x1d0/0x1d0
  Oct 26 13:01:17 modmart kernel: [176272.124011] Code: 31 f6 31 d2 eb 23 66 2e 0f 1f 84 00 00 00 00 00 83 fb 03 75 05 45 84 ed 75 66 f0 41 ff 4c 24 24 74 26 89 da 83 fa 04 74 3d f3 90 <41> 8b 5c 24 20 39 d3 74 f0 83 fb 02 75 d7 fa 66 0f 1f 44 00 00 
  Oct 26 13:01:17 modmart kernel: [176288.028013] BUG: soft lockup - CPU#0 stuck for 23s! [sshd:19060]
  Oct 26 13:01:17 modmart kernel: [176288.028013] Modules linked in: ipt_REJECT tcp_diag inet_diag xt_multiport iptable_filter ip_tables x_tables pvpanic serio_raw mac_hid i2c_piix4 psmouse floppy
  Oct 26 13:01:17 modmart kernel: [176288.028013] CPU: 0 PID: 19060 Comm: sshd Not tainted 3.13.0-24-generic #47-Ubuntu
  Oct 26 13:01:17 modmart kernel: [176288.028013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
  Oct 26 13:01:17 modmart kernel: [176288.028013] task: ffff880036958000 ti: ffff880006ec0000 task.ti: ffff880006ec0000
  Oct 26 13:01:17 modmart kernel: [176288.028013] RIP: 0010:[<ffffffff816c28cc>]  [<ffffffff816c28cc>] fib6_remove_prefsrc+0xc/0x60
  Oct 26 13:01:17 modmart kernel: [176288.028013] RSP: 0018:ffff88003fc037d8  EFLAGS: 00000287
  Oct 26 13:01:17 modmart kernel: [176288.028013] RAX: ffff88003db32000 RBX: ffff88003fc038a0 RCX: ffffffff81cd9b00
  Oct 26 13:01:17 modmart kernel: [176288.028013] RDX: 0000000000000000 RSI: ffff88003fc038f8 RDI: ffff880006cc5980
  Oct 26 13:01:17 modmart kernel: [176288.028013] RBP: ffff88003fc03808 R08: 0000000000000000 R09: ffff88003fc17260
  Oct 26 13:01:17 modmart kernel: [176288.028013] R10: ffffffff816090e7 R11: ffffea0000127800 R12: ffff88003fc03748
  Oct 26 13:01:17 modmart kernel: [176288.028013] R13: ffffffff8172721d R14: ffff88003fc03808 R15: ffff880006cc5980
  Oct 26 13:01:17 modmart kernel: [176288.028013] FS:  00007fcf9b18f840(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000
  Oct 26 13:01:17 modmart kernel: [176288.028013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Oct 26 13:01:17 modmart kernel: [176288.028013] CR2: 00007fcf96f74ca0 CR3: 0000000006f14000 CR4: 00000000000006f0
  Oct 26 13:01:17 modmart kernel: [176288.028013] Stack:
  Oct 26 13:01:17 modmart kernel: [176288.028013]  ffffffff816cae2f 0000000000000000 ffffffff81cd9b00 0000000000000000
  Oct 26 13:01:17 modmart kernel: [176288.028013]  ffff88003fc03860 ffff8800368eef94 ffff88003fc03820 ffffffff816c8766
  Oct 26 13:01:17 modmart kernel: [176288.028013]  ffff88003fc03860 ffff88003fc03840 ffffffff816c91fa ffffffff8171d812
  Oct 26 13:01:17 modmart kernel: [176288.028013] Call Trace:
  Oct 26 13:01:17 modmart kernel: [176288.028013]  <IRQ> 
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816cae2f>] ? fib6_clean_node+0x5f/0xe0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c8766>] fib6_walk_continue+0x186/0x1c0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c91fa>] fib6_walk+0x5a/0xc0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8171d812>] ? _raw_write_lock_bh+0x12/0x30
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816caf4c>] fib6_clean_all+0x9c/0xe0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816cadd0>] ? fib6_del+0x3e0/0x3e0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c28c0>] ? ip6_default_advmss+0x40/0x40
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c812f>] rt6_remove_prefsrc+0x3f/0x50
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816be3f1>] ipv6_del_addr+0x281/0x510
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816090e7>] ? kfree_skbmem+0x37/0xa0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816bf345>] addrconf_verify+0x365/0x380
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816bdc0b>] ? __ipv6_ifa_notify+0x14b/0x2c0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816c00b1>] addrconf_prefix_rcv+0x211/0xa50
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b9a9e>] ? ipv6_chk_addr+0x7e/0xe0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b9aed>] ? ipv6_chk_addr+0xcd/0xe0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816ce4c6>] ndisc_router_discovery+0x606/0xab0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816cfc85>] ndisc_rcv+0x245/0x690
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d813>] ? account_system_time+0x93/0x170
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d91e>] ? __vtime_account_system+0x2e/0x40
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816d66e0>] icmpv6_rcv+0x380/0x770
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8172721d>] ? apic_timer_interrupt+0x6d/0x80
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8171d895>] ? _raw_read_unlock_bh+0x15/0x20
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b8e82>] ip6_input_finish+0xd2/0x420
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b96e2>] ip6_input+0x22/0x60
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b97e1>] ip6_mc_input+0xc1/0x190
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b8d05>] ip6_rcv_finish+0x95/0xa0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816b94a3>] ipv6_rcv+0x2d3/0x4f0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161a906>] __netif_receive_skb_core+0x666/0x840
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b200>] ? hw_breakpoint_pmu_read+0x10/0x10
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161aaf8>] __netif_receive_skb+0x18/0x60
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161ab63>] netif_receive_skb+0x23/0x90
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff815216e4>] virtnet_poll+0x4d4/0x850
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161aee2>] net_rx_action+0x152/0x250
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8106caec>] __do_softirq+0xec/0x2c0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81727edc>] do_softirq_own_stack+0x1c/0x30
  Oct 26 13:01:17 modmart kernel: [176288.028013]  <EOI> 
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8106cd65>] do_softirq+0x55/0x60
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8106ce84>] local_bh_enable_ip+0x84/0x90
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8171d895>] _raw_read_unlock_bh+0x15/0x20
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816bbbd5>] inet6_dump_addr+0x185/0x540
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816bbfe0>] inet6_dump_ifaddr+0x10/0x20
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff816291e8>] rtnl_dump_all+0x58/0x1a0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81645064>] netlink_dump+0x84/0x240
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81645405>] netlink_recvmsg+0x1e5/0x3a0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8161e585>] ? netdev_run_todo+0x55/0x300
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8160282a>] sock_recvmsg+0x9a/0xd0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8114e5c3>] ? unlock_page+0x23/0x30
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81601142>] ? move_addr_to_user+0xb2/0xd0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8160146e>] ___sys_recvmsg+0x11e/0x2b0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b7d9>] ? sched_clock+0x9/0x10
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff8109d76b>] ? account_user_time+0x8b/0xa0
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81603722>] __sys_recvmsg+0x42/0x80
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff81603772>] SyS_recvmsg+0x12/0x20
  Oct 26 13:01:17 modmart kernel: [176288.028013]  [<ffffffff817266bf>] tracesys+0xe1/0xe6
  Oct 26 13:01:17 modmart kernel: [176288.028013] Code: 8b 92 08 04 00 00 39 d0 0f 42 c2 ba ff ff 00 00 3d ec ff 00 00 0f 43 c2 c3 66 0f 1f 44 00 00 0f 1f 44 00 00 48 8b 06 48 39 47 18 <55> 48 8b 4e 08 48 8b 56 10 48 89 e5 74 0e 48 85 c0 74 09 31 c0 
  Oct 26 13:01:17 modmart kernel: [176300.124014] BUG: soft lockup - CPU#1 stuck for 23s! [migration/1:16]
  Oct 26 13:01:17 modmart kernel: [176300.124014] Modules linked in: ipt_REJECT tcp_diag inet_diag xt_multiport iptable_filter ip_tables x_tables pvpanic serio_raw mac_hid i2c_piix4 psmouse floppy
  Oct 26 13:01:17 modmart kernel: [176300.124014] CPU: 1 PID: 16 Comm: migration/1 Not tainted 3.13.0-24-generic #47-Ubuntu
  Oct 26 13:01:17 modmart kernel: [176300.124014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
  Oct 26 13:01:17 modmart kernel: [176300.124014] task: ffff88003dab17f0 ti: ffff88003dab8000 task.ti: ffff88003dab8000
  Oct 26 13:01:17 modmart kernel: [176300.124014] RIP: 0010:[<ffffffff810f571b>]  [<ffffffff810f571b>] multi_cpu_stop+0x6b/0xf0
  Oct 26 13:01:17 modmart kernel: [176300.124014] RSP: 0018:ffff88003dab9d98  EFLAGS: 00000293
  Oct 26 13:01:17 modmart kernel: [176300.124014] RAX: 0000000000000000 RBX: ffff88003fd14e80 RCX: 0000000000000003
  Oct 26 13:01:17 modmart kernel: [176300.124014] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff81d12600
  Oct 26 13:01:17 modmart kernel: [176300.124014] RBP: ffff88003dab9db8 R08: ffffffff81d12608 R09: 0000000000000001
  Oct 26 13:01:17 modmart kernel: [176300.124014] R10: 0000000000003a1d R11: 0000000000000000 R12: ffff88003dab9d28
  Oct 26 13:01:17 modmart kernel: [176300.124014] R13: ffffffff8101b7d9 R14: ffff88003dab9d00 R15: ffffffff8101b763
  Oct 26 13:01:17 modmart kernel: [176300.124014] FS:  0000000000000000(0000) GS:ffff88003fd00000(0000) knlGS:0000000000000000
  Oct 26 13:01:17 modmart kernel: [176300.124014] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Oct 26 13:01:17 modmart kernel: [176300.124014] CR2: 00007fc2994e9020 CR3: 0000000036b7f000 CR4: 00000000000006e0
  Oct 26 13:01:17 modmart kernel: [176300.124014] Stack:
  Oct 26 13:01:17 modmart kernel: [176300.124014]  ffff8800064c7d78 ffff88003fd0ede0 ffff88003fd0ede8 ffff8800064c7df8
  Oct 26 13:01:17 modmart kernel: [176300.124014]  ffff88003dab9e78 ffffffff810f592e ffffffff8109df54 ffff88003fd14440
  Oct 26 13:01:17 modmart kernel: [176300.124014]  ffff88003dab9e08 ffffffff81097498 0000000000000000 ffff88003fd14440
  Oct 26 13:01:17 modmart kernel: [176300.124014] Call Trace:
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff810f592e>] cpu_stopper_thread+0x7e/0x150
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8109df54>] ? vtime_common_task_switch+0x24/0x40
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff81097498>] ? finish_task_switch+0x128/0x170
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff81719a71>] ? __schedule+0x381/0x7d0
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8109263f>] smpboot_thread_fn+0xff/0x1b0
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff81092540>] ? SyS_setgroups+0x1a0/0x1a0
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8108b312>] kthread+0xd2/0xf0
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8108b240>] ? kthread_create_on_node+0x1d0/0x1d0
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff817263fc>] ret_from_fork+0x7c/0xb0
  Oct 26 13:01:17 modmart kernel: [176300.124014]  [<ffffffff8108b240>] ? kthread_create_on_node+0x1d0/0x1d0
  Oct 26 13:01:17 modmart kernel: [176300.124014] Code: 31 f6 31 d2 eb 23 66 2e 0f 1f 84 00 00 00 00 00 83 fb 03 75 05 45 84 ed 75 66 f0 41 ff 4c 24 24 74 26 89 da 83 fa 04 74 3d f3 90 <41> 8b 5c 24 20 39 d3 74 f0 83 fb 02 75 d7 fa 66 0f 1f 44 00 00 
  Oct 26 13:01:17 modmart kernel: [176314.448015] [sched_delayed] sched: RT throttling activated
  Oct 26 13:01:17 modmart kernel: [176314.882681] Switched to clocksource hpet

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Follow ups

[Bug 1385820] Re: BUG - CLOCK
From: Launchpad Bug Tracker, 2014-12-26
[Bug 1385820] Re: BUG - CLOCK
From: Christopher M. Penalver, 2014-10-26
[Bug 1385820] Re: BUG - CLOCK
From: Christopher M. Penalver, 2014-10-26
[Bug 1385820] Re: BUG - CLOCK
From: brent, 2014-10-26
[Bug 1385820] Re: BUG - CLOCK
From: brent, 2014-10-26
[Bug 1385820] Missing required logs.
From: Brad Figg, 2014-10-26
[Bug 1385820] [NEW] BUG - CLOCK
From: brent, 2014-10-26
References

[Bug 1385820] [NEW] BUG - CLOCK
From: brent, 2014-10-26