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[Bug 1490701] Re: BUG: soft lockup - CPU#3 stuck for 23s! [Xorg:11337]

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: js1 <1490701@xxxxxxxxxxxxxxxxxx>
Date: Fri, 22 Jan 2016 23:41:50 -0000
Reply-to: Bug 1490701 <1490701@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Jan 22 07:35:04 bulma kernel: [218783.674485] audit_printk_skb: 78 callbacks suppressed
Jan 22 07:35:04 bulma kernel: [218783.674488] type=1400 audit(1453466104.679:49): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=11202 comm="apparmor_parser"
Jan 22 07:35:04 bulma kernel: [218783.674493] type=1400 audit(1453466104.679:50): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=11202 comm="apparmor_parser"
Jan 22 07:35:04 bulma kernel: [218783.674802] type=1400 audit(1453466104.679:51): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=11202 comm="apparmor_parser"
Jan 22 12:56:17 bulma kernel: [238056.348001] BUG: soft lockup - CPU#0 stuck for 23s! [Xorg:10591]
Jan 22 12:56:17 bulma kernel: [238056.348002] Modules linked in: ip6table_filter ip6_tables xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack iptable_filter ip_tables x_tables vmw_vsock_vmci_transport vsock vmw_vmci xfs nls_iso8859_1 snd_hda_codec_hdmi snd_usb_audio x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek snd_usbmidi_lib snd_hda_intel 8021q garp snd_hda_codec coretemp stp fglrx(POX) mrp gpio_ich llc kvm_intel kvm crct10dif_pclmul crc32_pclmul aesni_intel snd_hwdep snd_pcm aes_x86_64 snd_page_alloc lrw snd_seq_midi gf128mul glue_helper snd_seq_midi_event snd_rawmidi mei_me snd_seq mac_hid snd_seq_device amd_iommu_v2 lpc_ich snd_timer snd ablk_helper dcdbas cryptd soundcore serio_raw mei shpchp wmi parport_pc ppdev nf_conntrack_tftp nf_conntrack lp parport btrfs xor raid6_pq libcrc32c e1000e hid_generic ptp usbhid ahci hid usb_storage pps_core libahci
Jan 22 12:56:17 bulma kernel: [238056.348002] CPU: 0 PID: 10591 Comm: Xorg Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:17 bulma kernel: [238056.348002] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:17 bulma kernel: [238056.348002] task: ffff880fc2c2b000 ti: ffff880108bf4000 task.ti: ffff880108bf4000
Jan 22 12:56:17 bulma kernel: [238056.348002] RIP: 0010:[<ffffffff8101b6b0>]  [<ffffffff8101b6b0>] native_read_tsc+0x0/0x20
Jan 22 12:56:17 bulma kernel: [238056.348002] RSP: 0018:ffff880108bf58d8  EFLAGS: 00000246
Jan 22 12:56:17 bulma kernel: [238056.348002] RAX: 0000000000000000 RBX: ffff881063093808 RCX: 0000000001aa4620
Jan 22 12:56:17 bulma kernel: [238056.348002] RDX: 000000001c2f455d RSI: 000000000000000a RDI: 0000000000008752
Jan 22 12:56:17 bulma kernel: [238056.348002] RBP: ffff880108bf58f8 R08: ffff881063093808 R09: 0000000000000095
Jan 22 12:56:17 bulma kernel: [238056.348002] R10: ffff881063093808 R11: 0000000000000000 R12: 0000000000000002
Jan 22 12:56:17 bulma kernel: [238056.348002] R13: ffff880108bf58c0 R14: ffff88010000a1f8 R15: ffffffffa0a609af
Jan 22 12:56:17 bulma kernel: [238056.348002] FS:  00007f0615c4e9c0(0000) GS:ffff8810bfc00000(0000) knlGS:0000000000000000
Jan 22 12:56:17 bulma kernel: [238056.348002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:17 bulma kernel: [238056.348002] CR2: 00007f0615a75000 CR3: 0000000224c2c000 CR4: 00000000001407f0
Jan 22 12:56:17 bulma kernel: [238056.348002] Stack:
Jan 22 12:56:17 bulma kernel: [238056.348002]  ffffffff8137243a 000000000024d45b ffff881063093808 00000000ffffffff
Jan 22 12:56:17 bulma kernel: [238056.348002]  ffff880108bf5908 ffffffff813723a0 ffff880108bf5930 ffffffffa0a3eb9c
Jan 22 12:56:17 bulma kernel: [238056.348002]  0000000000000018 ffff880108bf5930 000000000024d45b ffff880108bf59a0
Jan 22 12:56:17 bulma kernel: [238056.348002] Call Trace:
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffff8137243a>] ? delay_tsc+0x4a/0x80
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffff813723a0>] __udelay+0x30/0x40
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0a3eb9c>] KCL_DelayInMicroSeconds+0x1c/0x80 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b770ce>] PECI_Delay+0xe/0x20 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b76e95>] ? PECI_WaitForRegisterUnequal+0x115/0x340 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0a5e32d>] ? MCIL_ModifyRegister+0xcd/0x380 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0bfe53d>] ? CIslands_SendMsgToSmc+0x7d/0x90 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0bf785a>] ? PhwCIslands_UploadDpmLevelEnableMask+0x7a/0x100 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0bf1f08>] ? PhwCIslands_SetPowerStateTasks+0x608/0x960 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b6f7dd>] ? PHM_SetPowerState+0x4d/0xe0 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b9a7bb>] ? PSM_ApplyHardwareAttributes_Dynamic+0x9b/0xf0 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b99b35>] ? PSM_AdjustPowerState_Dynamic+0x175/0x550 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b9cda4>] ? PEM_ExcuteEventChain+0x64/0xe0 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b9b090>] ? PEM_HandleEvent+0x60/0xf0 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b8e820>] ? PEM_CWDDEPM_NotifyEvent+0xe0/0x510 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0ac5543>] ? Cail_Bonaire_WaitForIdleVce+0x23/0x90 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0b8c2e9>] ? PP_Cwdde+0x109/0x180 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0a7bc5c>] ? firegl_pplib_cwddepm+0xbc/0x130 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0a80612>] ? firegl_pplib_cwddepm_call+0xe2/0x250 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffff812d8588>] ? security_capable+0x18/0x20
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0a80530>] ? firegl_pplib_iri_call+0x2f0/0x2f0 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0a4e954>] ? firegl_ioctl+0x1f4/0x260 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffffa0a3c1de>] ? ip_firegl_unlocked_ioctl+0xe/0x20 [fglrx]
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffff811d17d0>] ? do_vfs_ioctl+0x2e0/0x4c0
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffff81728b01>] ? __schedule+0x381/0x7d0
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffff811d1a31>] ? SyS_ioctl+0x81/0xa0
Jan 22 12:56:17 bulma kernel: [238056.348002]  [<ffffffff8173575d>] ? system_call_fastpath+0x1a/0x1f
Jan 22 12:56:17 bulma kernel: [238056.348002] Code: 00 49 c7 85 58 05 00 00 00 00 00 00 41 5d 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 5d c3 0f 1f 44 00 00 <55> 48 89 e5 0f 31 89 c0 48 c1 e2 20 48 09 c2 48 89 d0 5d c3 66 
Jan 22 12:56:45 bulma kernel: [238084.347998] BUG: soft lockup - CPU#0 stuck for 23s! [Xorg:10591]
Jan 22 12:56:45 bulma kernel: [238084.348002] Modules linked in: ip6table_filter ip6_tables xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack iptable_filter ip_tables x_tables vmw_vsock_vmci_transport vsock vmw_vmci xfs nls_iso8859_1 snd_hda_codec_hdmi snd_usb_audio x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek snd_usbmidi_lib snd_hda_intel 8021q garp snd_hda_codec coretemp stp fglrx(POX) mrp gpio_ich llc kvm_intel kvm crct10dif_pclmul crc32_pclmul aesni_intel snd_hwdep snd_pcm aes_x86_64 snd_page_alloc lrw snd_seq_midi gf128mul glue_helper snd_seq_midi_event snd_rawmidi mei_me snd_seq mac_hid snd_seq_device amd_iommu_v2 lpc_ich snd_timer snd ablk_helper dcdbas cryptd soundcore serio_raw mei shpchp wmi parport_pc ppdev nf_conntrack_tftp nf_conntrack lp parport btrfs xor raid6_pq libcrc32c e1000e hid_generic ptp usbhid ahci hid usb_storage pps_core libahci
Jan 22 12:56:45 bulma kernel: [238084.348002] CPU: 0 PID: 10591 Comm: Xorg Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:45 bulma kernel: [238084.348002] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:45 bulma kernel: [238084.348002] task: ffff880fc2c2b000 ti: ffff880108bf4000 task.ti: ffff880108bf4000
Jan 22 12:56:45 bulma kernel: [238084.348002] RIP: 0010:[<ffffffff8101b6b0>]  [<ffffffff8101b6b0>] native_read_tsc+0x0/0x20
Jan 22 12:56:45 bulma kernel: [238084.348002] RSP: 0018:ffff880108bf58d8  EFLAGS: 00000246
Jan 22 12:56:45 bulma kernel: [238084.348002] RAX: 0000000000000000 RBX: ffff881063093808 RCX: 0000000001aa4620
Jan 22 12:56:45 bulma kernel: [238084.348002] RDX: 00000000dfee363c RSI: 000000000000000a RDI: 0000000000008752
Jan 22 12:56:45 bulma kernel: [238084.348002] RBP: ffff880108bf58f8 R08: ffff881063093808 R09: 0000000000000095
Jan 22 12:56:45 bulma kernel: [238084.348002] R10: ffff881063093808 R11: 0000000000000000 R12: 0000000000000002
Jan 22 12:56:45 bulma kernel: [238084.348002] R13: ffff880108bf58c0 R14: ffff88010000a1f8 R15: ffffffffa0a609af
Jan 22 12:56:45 bulma kernel: [238084.348002] FS:  00007f0615c4e9c0(0000) GS:ffff8810bfc00000(0000) knlGS:0000000000000000
Jan 22 12:56:45 bulma kernel: [238084.348002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:45 bulma kernel: [238084.348002] CR2: 00007f0615a75000 CR3: 0000000224c2c000 CR4: 00000000001407f0
Jan 22 12:56:45 bulma kernel: [238084.348002] Stack:
Jan 22 12:56:45 bulma kernel: [238084.348002]  ffffffff8137243a 00000000004bb5bb ffff881063093808 00000000ffffffff
Jan 22 12:56:45 bulma kernel: [238084.348002]  ffff880108bf5908 ffffffff813723a0 ffff880108bf5930 ffffffffa0a3eb9c
Jan 22 12:56:45 bulma kernel: [238084.348002]  0000000000000018 ffff880108bf5930 00000000004bb5bb ffff880108bf59a0
Jan 22 12:56:45 bulma kernel: [238084.348002] Call Trace:
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffff8137243a>] ? delay_tsc+0x4a/0x80
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffff813723a0>] __udelay+0x30/0x40
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0a3eb9c>] KCL_DelayInMicroSeconds+0x1c/0x80 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b770ce>] PECI_Delay+0xe/0x20 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b76e95>] ? PECI_WaitForRegisterUnequal+0x115/0x340 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0a5e32d>] ? MCIL_ModifyRegister+0xcd/0x380 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0bfe53d>] ? CIslands_SendMsgToSmc+0x7d/0x90 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0bf785a>] ? PhwCIslands_UploadDpmLevelEnableMask+0x7a/0x100 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0bf1f08>] ? PhwCIslands_SetPowerStateTasks+0x608/0x960 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b6f7dd>] ? PHM_SetPowerState+0x4d/0xe0 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b9a7bb>] ? PSM_ApplyHardwareAttributes_Dynamic+0x9b/0xf0 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b99b35>] ? PSM_AdjustPowerState_Dynamic+0x175/0x550 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b9cda4>] ? PEM_ExcuteEventChain+0x64/0xe0 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b9b090>] ? PEM_HandleEvent+0x60/0xf0 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b8e820>] ? PEM_CWDDEPM_NotifyEvent+0xe0/0x510 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0ac5543>] ? Cail_Bonaire_WaitForIdleVce+0x23/0x90 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0b8c2e9>] ? PP_Cwdde+0x109/0x180 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0a7bc5c>] ? firegl_pplib_cwddepm+0xbc/0x130 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0a80612>] ? firegl_pplib_cwddepm_call+0xe2/0x250 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffff812d8588>] ? security_capable+0x18/0x20
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0a80530>] ? firegl_pplib_iri_call+0x2f0/0x2f0 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0a4e954>] ? firegl_ioctl+0x1f4/0x260 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffffa0a3c1de>] ? ip_firegl_unlocked_ioctl+0xe/0x20 [fglrx]
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffff811d17d0>] ? do_vfs_ioctl+0x2e0/0x4c0
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffff81728b01>] ? __schedule+0x381/0x7d0
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffff811d1a31>] ? SyS_ioctl+0x81/0xa0
Jan 22 12:56:45 bulma kernel: [238084.348002]  [<ffffffff8173575d>] ? system_call_fastpath+0x1a/0x1f
Jan 22 12:56:45 bulma kernel: [238084.348002] Code: 00 49 c7 85 58 05 00 00 00 00 00 00 41 5d 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 5d c3 0f 1f 44 00 00 <55> 48 89 e5 0f 31 89 c0 48 c1 e2 20 48 09 c2 48 89 d0 5d c3 66 
Jan 22 12:56:51 bulma kernel: [238089.896000] INFO: rcu_sched detected stalls on CPUs/tasks: { 6 8 9 11} (detected by 0, t=15015 jiffies, g=1057863, c=1057862, q=0)
Jan 22 12:56:51 bulma kernel: [238089.896002] sending NMI to all CPUs:
Jan 22 12:56:51 bulma kernel: [238089.896002] NMI backtrace for cpu 0
Jan 22 12:56:51 bulma kernel: [238089.896002] CPU: 0 PID: 10591 Comm: Xorg Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238089.896002] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238089.896002] task: ffff880fc2c2b000 ti: ffff880108bf4000 task.ti: ffff880108bf4000
Jan 22 12:56:51 bulma kernel: [238089.896002] RIP: 0010:[<ffffffff8101b6bc>]  [<ffffffff8101b6bc>] native_read_tsc+0xc/0x20
Jan 22 12:56:51 bulma kernel: [238089.896002] RSP: 0018:ffff8810bfc03d40  EFLAGS: 00000006
Jan 22 12:56:51 bulma kernel: [238089.896002] RAX: 000000007fd2088b RBX: 000000007fd20832 RCX: 0000000001aa4620
Jan 22 12:56:51 bulma kernel: [238089.896002] RDX: 0002f44f00000000 RSI: 0000000000000002 RDI: 000000000005492d
Jan 22 12:56:51 bulma kernel: [238089.896002] RBP: ffff8810bfc03d40 R08: ffffffff81d14640 R09: 0000000000000524
Jan 22 12:56:51 bulma kernel: [238089.896002] R10: 0000000000000000 R11: ffff8810bfc03b2e R12: 000000000005492d
Jan 22 12:56:51 bulma kernel: [238089.896002] R13: 0000000000000000 R14: 0000000000000082 R15: 0000000000000002
Jan 22 12:56:51 bulma kernel: [238089.896002] FS:  00007f0615c4e9c0(0000) GS:ffff8810bfc00000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238089.896002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238089.896002] CR2: 00007f0615a75000 CR3: 0000000224c2c000 CR4: 00000000001407f0
Jan 22 12:56:51 bulma kernel: [238089.896002] Stack:
Jan 22 12:56:51 bulma kernel: [238089.896002]  ffff8810bfc03d68 ffffffff8137243a 00000000000003e9 0000000000001000
Jan 22 12:56:51 bulma kernel: [238089.896002]  0000000000000400 ffff8810bfc03d78 ffffffff8137236c ffff8810bfc03d98
Jan 22 12:56:51 bulma kernel: [238089.896002]  ffffffff810437ba 000000000000a08a ffffffff81d14640 ffff8810bfc03de0
Jan 22 12:56:51 bulma kernel: [238089.896002] Call Trace:
Jan 22 12:56:51 bulma kernel: [238089.896002]  <IRQ> 
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff8137243a>] delay_tsc+0x4a/0x80
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff8137236c>] __const_udelay+0x2c/0x30
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff810437ba>] native_safe_apic_wait_icr_idle+0x2a/0x60
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff8104517b>] default_send_IPI_mask_sequence_phys+0xeb/0x100
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff810498d7>] physflat_send_IPI_all+0x17/0x20
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff81045320>] arch_trigger_all_cpu_backtrace+0x70/0xb0
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff810cb5b1>] rcu_check_callbacks+0x631/0x650
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff810765c7>] update_process_times+0x47/0x70
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff810d6795>] tick_sched_handle.isra.17+0x25/0x60
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff810d6811>] tick_sched_timer+0x41/0x60
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff8108eab7>] __run_hrtimer+0x77/0x1d0
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff810d67d0>] ? tick_sched_handle.isra.17+0x60/0x60
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff8108f27f>] hrtimer_interrupt+0xef/0x230
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff81043737>] local_apic_timer_interrupt+0x37/0x60
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff81737b0f>] smp_apic_timer_interrupt+0x3f/0x60
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff8173649d>] apic_timer_interrupt+0x6d/0x80
Jan 22 12:56:51 bulma kernel: [238089.896002]  <EOI> 
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff8137243c>] ? delay_tsc+0x4c/0x80
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff813723a0>] __udelay+0x30/0x40
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0a3eb9c>] KCL_DelayInMicroSeconds+0x1c/0x80 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b770ce>] PECI_Delay+0xe/0x20 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b76e95>] ? PECI_WaitForRegisterUnequal+0x115/0x340 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0a5e32d>] ? MCIL_ModifyRegister+0xcd/0x380 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0bfe53d>] ? CIslands_SendMsgToSmc+0x7d/0x90 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0bf785a>] ? PhwCIslands_UploadDpmLevelEnableMask+0x7a/0x100 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0bf1f08>] ? PhwCIslands_SetPowerStateTasks+0x608/0x960 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b6f7dd>] ? PHM_SetPowerState+0x4d/0xe0 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b9a7bb>] ? PSM_ApplyHardwareAttributes_Dynamic+0x9b/0xf0 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b99b35>] ? PSM_AdjustPowerState_Dynamic+0x175/0x550 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b9cda4>] ? PEM_ExcuteEventChain+0x64/0xe0 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b9b090>] ? PEM_HandleEvent+0x60/0xf0 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b8e820>] ? PEM_CWDDEPM_NotifyEvent+0xe0/0x510 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0ac5543>] ? Cail_Bonaire_WaitForIdleVce+0x23/0x90 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0b8c2e9>] ? PP_Cwdde+0x109/0x180 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0a7bc5c>] ? firegl_pplib_cwddepm+0xbc/0x130 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0a80612>] ? firegl_pplib_cwddepm_call+0xe2/0x250 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff812d8588>] ? security_capable+0x18/0x20
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0a80530>] ? firegl_pplib_iri_call+0x2f0/0x2f0 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0a4e954>] ? firegl_ioctl+0x1f4/0x260 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffffa0a3c1de>] ? ip_firegl_unlocked_ioctl+0xe/0x20 [fglrx]
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff811d17d0>] ? do_vfs_ioctl+0x2e0/0x4c0
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff81728b01>] ? __schedule+0x381/0x7d0
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff811d1a31>] ? SyS_ioctl+0x81/0xa0
Jan 22 12:56:51 bulma kernel: [238089.896002]  [<ffffffff8173575d>] ? system_call_fastpath+0x1a/0x1f
Jan 22 12:56:51 bulma kernel: [238089.896002] Code: 41 5d 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 5d c3 0f 1f 44 00 00 55 48 89 e5 0f 31 89 c0 48 c1 e2 20 <48> 09 c2 48 89 d0 5d c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 
Jan 22 12:56:51 bulma kernel: [238090.004046] NMI backtrace for cpu 1
Jan 22 12:56:51 bulma kernel: [238090.004046] CPU: 1 PID: 0 Comm: swapper/1 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238090.004046] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238090.004046] task: ffff8810684ee000 ti: ffff881068722000 task.ti: ffff881068722000
Jan 22 12:56:51 bulma kernel: [238090.004046] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238090.004046] RSP: 0018:ffff881068723e28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238090.004046] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238090.004046] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238090.004046] RBP: ffff881068723e50 R08: ffff8810bfc30310 R09: 0000000000000018
Jan 22 12:56:51 bulma kernel: [238090.004046] R10: 0000000000009b10 R11: 000000000000518f R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238090.004046] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238090.004046] FS:  0000000000000000(0000) GS:ffff8810bfc20000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238090.004046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238090.004046] CR2: 00007f06167c3000 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238090.004046] Stack:
Jan 22 12:56:51 bulma kernel: [238090.004046]  0000000168723e50 ffff8810bfc39e00 ffffffff81c93ec0 0000d88aa5e0e03d
Jan 22 12:56:51 bulma kernel: [238090.004046]  0000000000000004 ffff881068723e88 ffffffff815d65a0 ffff881068723f38
Jan 22 12:56:51 bulma kernel: [238090.004046]  ffff8810bfc39e00 0000000000000004 0000000000000001 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238090.004046] Call Trace:
Jan 22 12:56:51 bulma kernel: [238090.004046]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238090.004046]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238090.004046]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238090.004046]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238090.004046]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238090.004046] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238090.036039] NMI backtrace for cpu 2
Jan 22 12:56:51 bulma kernel: [238090.036039] CPU: 2 PID: 0 Comm: swapper/2 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238090.036039] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238090.036039] task: ffff881068728000 ti: ffff881068724000 task.ti: ffff881068724000
Jan 22 12:56:51 bulma kernel: [238090.036039] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238090.036039] RSP: 0018:ffff881068725e28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238090.036039] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238090.036039] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000000000002
Jan 22 12:56:51 bulma kernel: [238090.036039] RBP: ffff881068725e50 R08: ffff8810bfc50314 R09: 0000000000000018
Jan 22 12:56:51 bulma kernel: [238090.036039] R10: 000000000002f676 R11: 00000000000090ff R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238090.036039] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238090.036039] FS:  0000000000000000(0000) GS:ffff8810bfc40000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238090.036039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238090.036039] CR2: 00007fb670a8b000 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238090.036039] Stack:
Jan 22 12:56:51 bulma kernel: [238090.036039]  0000000268725e50 ffff8810bfc59e00 ffffffff81c93ec0 0000d88aa7c986dd
Jan 22 12:56:51 bulma kernel: [238090.036039]  0000000000000004 ffff881068725e88 ffffffff815d65a0 ffff881068725f38
Jan 22 12:56:51 bulma kernel: [238090.036039]  ffff8810bfc59e00 0000000000000004 0000000000000002 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238090.036039] Call Trace:
Jan 22 12:56:51 bulma kernel: [238090.036039]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238090.036039]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238090.036039]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238090.036039]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238090.036039]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238090.036039] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238089.892039] NMI backtrace for cpu 3
Jan 22 12:56:51 bulma kernel: [238089.892039] CPU: 3 PID: 0 Comm: swapper/3 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238089.892039] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238089.892039] task: ffff881068729800 ti: ffff881068726000 task.ti: ffff881068726000
Jan 22 12:56:51 bulma kernel: [238089.892039] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238089.892039] RSP: 0018:ffff881068727e28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238089.892039] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238089.892039] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000002c0e000
Jan 22 12:56:51 bulma kernel: [238089.892039] RBP: ffff881068727e50 R08: ffff8810bfc70314 R09: 0000000000000018
Jan 22 12:56:51 bulma kernel: [238089.892039] R10: 0000000000164e17 R11: 0000000000144fcb R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238089.892039] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238089.892039] FS:  0000000000000000(0000) GS:ffff8810bfc60000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238089.892039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238089.892039] CR2: 00007f05f00f0000 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238089.892039] Stack:
Jan 22 12:56:51 bulma kernel: [238089.892039]  0000000368727e50 ffff8810bfc79e00 ffffffff81c93ec0 0000d88a720c3720
Jan 22 12:56:51 bulma kernel: [238089.892039]  0000000000000004 ffff881068727e88 ffffffff815d65a0 ffff881068727f38
Jan 22 12:56:51 bulma kernel: [238089.892039]  ffff8810bfc79e00 0000000000000004 0000000000000003 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238089.892039] Call Trace:
Jan 22 12:56:51 bulma kernel: [238089.892039]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238089.892039]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238089.892039]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238089.892039]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238089.892039]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238089.892039] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238090.037455] NMI backtrace for cpu 4
Jan 22 12:56:51 bulma kernel: [238090.037455] CPU: 4 PID: 0 Comm: swapper/4 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238090.037455] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238090.037455] task: ffff88106872b000 ti: ffff881068730000 task.ti: ffff881068730000
Jan 22 12:56:51 bulma kernel: [238090.037455] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238090.037455] RSP: 0018:ffff881068731e28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238090.037455] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238090.037455] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000002c0e000
Jan 22 12:56:51 bulma kernel: [238090.037455] RBP: ffff881068731e50 R08: ffff8810bfc90314 R09: 0000000000000018
Jan 22 12:56:51 bulma kernel: [238090.037455] R10: 0000000000067821 R11: 000000000010c0e7 R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238090.037455] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238090.037455] FS:  0000000000000000(0000) GS:ffff8810bfc80000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238090.037455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238090.037455] CR2: 00007fa04dbb4000 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238090.037455] Stack:
Jan 22 12:56:51 bulma kernel: [238090.037455]  0000000468731e50 ffff8810bfc99e00 ffffffff81c93ec0 0000d88aa18b217c
Jan 22 12:56:51 bulma kernel: [238090.037455]  0000000000000004 ffff881068731e88 ffffffff815d65a0 ffff881068731f38
Jan 22 12:56:51 bulma kernel: [238090.037455]  ffff8810bfc99e00 0000000000000004 0000000000000004 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238090.037455] Call Trace:
Jan 22 12:56:51 bulma kernel: [238090.037455]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238090.037455]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238090.037455]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238090.037455]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238090.037455]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238090.037455] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238089.892046] NMI backtrace for cpu 5
Jan 22 12:56:51 bulma kernel: [238089.892046] CPU: 5 PID: 0 Comm: swapper/5 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238089.892046] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238089.892046] task: ffff88106872c800 ti: ffff881068732000 task.ti: ffff881068732000
Jan 22 12:56:51 bulma kernel: [238089.892046] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238089.892046] RSP: 0018:ffff881068733e28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238089.892046] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238089.892046] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000000000005
Jan 22 12:56:51 bulma kernel: [238089.892046] RBP: ffff881068733e50 R08: ffff8810bfcb0310 R09: 0000000000000018
Jan 22 12:56:51 bulma kernel: [238089.892046] R10: 0000000000064955 R11: 0000000000027094 R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238089.892046] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238089.892046] FS:  0000000000000000(0000) GS:ffff8810bfca0000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238089.892046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238089.892046] CR2: 00007ffc59586c80 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238089.892046] Stack:
Jan 22 12:56:51 bulma kernel: [238089.892046]  0000000568733e50 ffff8810bfcb9e00 ffffffff81c93ec0 0000d88a84801af7
Jan 22 12:56:51 bulma kernel: [238089.892046]  0000000000000004 ffff881068733e88 ffffffff815d65a0 ffff881068733f38
Jan 22 12:56:51 bulma kernel: [238089.892046]  ffff8810bfcb9e00 0000000000000004 0000000000000005 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238089.892046] Call Trace:
Jan 22 12:56:51 bulma kernel: [238089.892046]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238089.892046]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238089.892046]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238089.892046]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238089.892046]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238089.892046] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238089.892049] NMI backtrace for cpu 6
Jan 22 12:56:51 bulma kernel: [238089.892049] CPU: 6 PID: 0 Comm: swapper/6 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238089.892049] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238089.892049] task: ffff88106872e000 ti: ffff881068734000 task.ti: ffff881068734000
Jan 22 12:56:51 bulma kernel: [238089.892049] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238089.892049] RSP: 0018:ffff881068735e28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238089.892049] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238089.892049] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000000000006
Jan 22 12:56:51 bulma kernel: [238089.892049] RBP: ffff881068735e50 R08: ffff8810bfcd0314 R09: 0000000000002000
Jan 22 12:56:51 bulma kernel: [238089.892049] R10: 00000000ffffffff R11: 0000000001e84790 R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238089.892049] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238089.892049] FS:  0000000000000000(0000) GS:ffff8810bfcc0000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238089.892049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238089.892049] CR2: 00007fb4c1948000 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238089.892049] Stack:
Jan 22 12:56:51 bulma kernel: [238089.892049]  0000000668735e50 ffff8810bfcd9e00 ffffffff81c93ec0 0000d88a473b56c5
Jan 22 12:56:51 bulma kernel: [238089.892049]  0000000000000004 ffff881068735e88 ffffffff815d65a0 ffff881068735f38
Jan 22 12:56:51 bulma kernel: [238089.892049]  ffff8810bfcd9e00 0000000000000004 0000000000000006 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238089.892049] Call Trace:
Jan 22 12:56:51 bulma kernel: [238089.892049]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238089.892049]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238089.892049]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238089.892049]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238089.892049]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238089.892049] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238089.952032] NMI backtrace for cpu 7
Jan 22 12:56:51 bulma kernel: [238089.952032] CPU: 7 PID: 0 Comm: swapper/7 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238089.952032] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238089.952032] task: ffff881068740000 ti: ffff881068736000 task.ti: ffff881068736000
Jan 22 12:56:51 bulma kernel: [238089.952032] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238089.952032] RSP: 0018:ffff881068737e28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238089.952032] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238089.952032] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000000000007
Jan 22 12:56:51 bulma kernel: [238089.952032] RBP: ffff881068737e50 R08: ffff8810bfcf0310 R09: 0000000000000020
Jan 22 12:56:51 bulma kernel: [238089.952032] R10: 0000000000004df4 R11: 0000000000006cbd R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238089.952032] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238089.952032] FS:  0000000000000000(0000) GS:ffff8810bfce0000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238089.952032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238089.952032] CR2: 0000000002206000 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238089.952032] Stack:
Jan 22 12:56:51 bulma kernel: [238089.952032]  0000000768737e50 ffff8810bfcf9e00 ffffffff81c93ec0 0000d88aa2c78be0
Jan 22 12:56:51 bulma kernel: [238089.952032]  0000000000000004 ffff881068737e88 ffffffff815d65a0 ffff881068737f38
Jan 22 12:56:51 bulma kernel: [238089.952032]  ffff8810bfcf9e00 0000000000000004 0000000000000007 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238089.952032] Call Trace:
Jan 22 12:56:51 bulma kernel: [238089.952032]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238089.952032]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238089.952032]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238089.952032]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238089.952032]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238089.952032] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238089.892053] NMI backtrace for cpu 8
Jan 22 12:56:51 bulma kernel: [238089.892053] CPU: 8 PID: 0 Comm: swapper/8 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238089.892053] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238089.892053] task: ffff881068741800 ti: ffff881068748000 task.ti: ffff881068748000
Jan 22 12:56:51 bulma kernel: [238089.892053] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238089.892053] RSP: 0018:ffff881068749e28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238089.892053] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238089.892053] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000000000008
Jan 22 12:56:51 bulma kernel: [238089.892053] RBP: ffff881068749e50 R08: ffff8810bfd10314 R09: 0000000000002000
Jan 22 12:56:51 bulma kernel: [238089.892053] R10: 00000000ffffffff R11: 0000000001e84714 R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238089.892053] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238089.892053] FS:  0000000000000000(0000) GS:ffff8810bfd00000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238089.892053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238089.892053] CR2: 00007ffded2f6ff8 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238089.892053] Stack:
Jan 22 12:56:51 bulma kernel: [238089.892053]  0000000868749e50 ffff8810bfd19e00 ffffffff81c93ec0 0000d88a48aa2f80
Jan 22 12:56:51 bulma kernel: [238089.892053]  0000000000000004 ffff881068749e88 ffffffff815d65a0 ffff881068749f38
Jan 22 12:56:51 bulma kernel: [238089.892053]  ffff8810bfd19e00 0000000000000004 0000000000000008 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238089.892053] Call Trace:
Jan 22 12:56:51 bulma kernel: [238089.892053]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238089.892053]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238089.892053]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238089.892053]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238089.892053]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238089.892053] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238089.892054] NMI backtrace for cpu 9
Jan 22 12:56:51 bulma kernel: [238089.892054] CPU: 9 PID: 0 Comm: swapper/9 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238089.892054] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238089.892054] task: ffff881068743000 ti: ffff88106874a000 task.ti: ffff88106874a000
Jan 22 12:56:51 bulma kernel: [238089.892054] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238089.892054] RSP: 0018:ffff88106874be28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238089.892054] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238089.892054] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 0000000000000009
Jan 22 12:56:51 bulma kernel: [238089.892054] RBP: ffff88106874be50 R08: ffff8810bfd30314 R09: 0000000000002000
Jan 22 12:56:51 bulma kernel: [238089.892054] R10: 00000000ffffffff R11: 0000000001e84710 R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238089.892054] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238089.892054] FS:  0000000000000000(0000) GS:ffff8810bfd20000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238089.892054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238089.892054] CR2: 00007fc59249f784 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238089.892054] Stack:
Jan 22 12:56:51 bulma kernel: [238089.892054]  000000096874be50 ffff8810bfd39e00 ffffffff81c93ec0 0000d88a49614b1a
Jan 22 12:56:51 bulma kernel: [238089.892054]  0000000000000004 ffff88106874be88 ffffffff815d65a0 ffff88106874bf38
Jan 22 12:56:51 bulma kernel: [238089.892054]  ffff8810bfd39e00 0000000000000004 0000000000000009 ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238089.892054] Call Trace:
Jan 22 12:56:51 bulma kernel: [238089.892054]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238089.892054]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238089.892054]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238089.892054]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238089.892054]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238089.892054] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce 
Jan 22 12:56:51 bulma kernel: [238090.038649] NMI backtrace for cpu 10
Jan 22 12:56:51 bulma kernel: [238090.038654] CPU: 10 PID: 1156 Comm: rs:main Q:Reg Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238090.038657] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238090.038659] task: ffff88106326e000 ti: ffff881066e36000 task.ti: ffff881066e36000
Jan 22 12:56:51 bulma kernel: [238090.038661] RIP: 0033:[<00007f6c51a0fc58>]  [<00007f6c51a0fc58>] 0x7f6c51a0fc58
Jan 22 12:56:51 bulma kernel: [238090.038677] RSP: 002b:00007f6c4fad7728  EFLAGS: 00000246
Jan 22 12:56:51 bulma kernel: [238090.038684] RAX: 00007f6c48003380 RBX: 00000000021fde30 RCX: 0000000000001001
Jan 22 12:56:51 bulma kernel: [238090.038686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f6c48003350
Jan 22 12:56:51 bulma kernel: [238090.038688] RBP: 00007f6c480065d0 R08: 0000000000000000 R09: ffffffffffffb8e1
Jan 22 12:56:51 bulma kernel: [238090.038690] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f6c48003350
Jan 22 12:56:51 bulma kernel: [238090.038692] R13: 00007f6c40002320 R14: 0000000000001078 R15: 0000000002216780
Jan 22 12:56:51 bulma kernel: [238090.038695] FS:  00007f6c4fad8700(0000) GS:ffff8810bfd40000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238090.038697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238090.038699] CR2: 00007f6c51b070a4 CR3: 000000105bb5d000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238090.038701] 
Jan 22 12:56:51 bulma kernel: [238089.892056] NMI backtrace for cpu 11
Jan 22 12:56:51 bulma kernel: [238089.892056] CPU: 11 PID: 0 Comm: swapper/11 Tainted: P           OX 3.13.0-76-generic #120-Ubuntu
Jan 22 12:56:51 bulma kernel: [238089.892056] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A09 09/26/2015
Jan 22 12:56:51 bulma kernel: [238089.892056] task: ffff881068746000 ti: ffff88106874e000 task.ti: ffff88106874e000
Jan 22 12:56:51 bulma kernel: [238089.892056] RIP: 0010:[<ffffffff813ea2c8>]  [<ffffffff813ea2c8>] intel_idle+0xd8/0x140
Jan 22 12:56:51 bulma kernel: [238089.892056] RSP: 0018:ffff88106874fe28  EFLAGS: 00000046
Jan 22 12:56:51 bulma kernel: [238089.892056] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
Jan 22 12:56:51 bulma kernel: [238089.892056] RDX: 0000000000000000 RSI: ffffffff81c93ec0 RDI: 000000000000000b
Jan 22 12:56:51 bulma kernel: [238089.892056] RBP: ffff88106874fe50 R08: ffff8810bfd70314 R09: 0000000000002000
Jan 22 12:56:51 bulma kernel: [238089.892056] R10: 00000000ffffffff R11: 0000000001e84716 R12: 0000000000000004
Jan 22 12:56:51 bulma kernel: [238089.892056] R13: 0000000000000020 R14: 0000000000000003 R15: ffffffff81c94038
Jan 22 12:56:51 bulma kernel: [238089.892056] FS:  0000000000000000(0000) GS:ffff8810bfd60000(0000) knlGS:0000000000000000
Jan 22 12:56:51 bulma kernel: [238089.892056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 22 12:56:51 bulma kernel: [238089.892056] CR2: 00007f6bf076a2d0 CR3: 0000000002c0e000 CR4: 00000000001407e0
Jan 22 12:56:51 bulma kernel: [238089.892056] Stack:
Jan 22 12:56:51 bulma kernel: [238089.892056]  0000000b6874fe50 ffff8810bfd79e00 ffffffff81c93ec0 0000d88a4acf829d
Jan 22 12:56:51 bulma kernel: [238089.892056]  0000000000000004 ffff88106874fe88 ffffffff815d65a0 ffff88106874ff38
Jan 22 12:56:51 bulma kernel: [238089.892056]  ffff8810bfd79e00 0000000000000004 000000000000000b ffffffff81c93ec0
Jan 22 12:56:51 bulma kernel: [238089.892056] Call Trace:
Jan 22 12:56:51 bulma kernel: [238089.892056]  [<ffffffff815d65a0>] cpuidle_enter_state+0x40/0xc0
Jan 22 12:56:51 bulma kernel: [238089.892056]  [<ffffffff815d66d9>] cpuidle_idle_call+0xb9/0x1f0
Jan 22 12:56:51 bulma kernel: [238089.892056]  [<ffffffff8101d3ee>] arch_cpu_idle+0xe/0x30
Jan 22 12:56:51 bulma kernel: [238089.892056]  [<ffffffff810bf475>] cpu_startup_entry+0xc5/0x290
Jan 22 12:56:51 bulma kernel: [238089.892056]  [<ffffffff810415ed>] start_secondary+0x21d/0x2d0
Jan 22 12:56:51 bulma kernel: [238089.892056] Code: 48 89 d1 48 2d c8 1f 00 00 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b8 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <85> 1d ea 9b 8a 00 75 0e 48 8d 75 dc bf 05 00 00 00 e8 62 9f ce

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https://bugs.launchpad.net/bugs/1490701

Title:
  BUG: soft lockup - CPU#3 stuck for 23s! [Xorg:11337]

Status in xorg package in Ubuntu:
  Expired

Bug description:
  I've ran into various other fglrx problems, but this is the first
  "soft lockup" after upgrading to kernel 3.16.0-46-generic.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8.1
  ProcVersionSignature: Ubuntu 3.16.0-46.62~14.04.1-generic 3.16.7-ckt15
  Uname: Linux 3.16.0-46-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.12
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: XFCE
  Date: Mon Aug 31 15:43:34 2015
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus: fglrx-core, 15.200, 3.16.0-46-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Bonaire [1002:6649] (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:230c]
  InstallationDate: Installed on 2015-04-04 (148 days ago)
  InstallationMedia: Xubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  LightdmGreeterLog:
   ** (lightdm-gtk-greeter:6827): WARNING **: Indicator "power": failed to load
   
   ** (lightdm-gtk-greeter:6827): WARNING **: Failed to load user image: Failed to open file '/home/jms/.face': No such file or directory
   init: indicator-application main process (6861) killed by TERM signal
  MachineType: Dell Inc. Precision Tower 5810
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.16.0-46-generic.efi.signed root=UUID=a1429ef6-c504-47a9-82fc-f4c80b480f55 ro rootflags=subvol=@ console=tty0 console=ttyS0,9600n8
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/19/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0K240Y
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd01/19/2015:svnDellInc.:pnPrecisionTower5810:pvr01:rvnDellInc.:rn0K240Y:rvrA01:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision Tower 5810
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.fglrx-installer: fglrx-installer N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri N/A
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core N/A
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
  xserver.bootTime: Sun Aug 30 19:54:17 2015
  xserver.configfile: /etc/X11/xorg.conf
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Power Button         KEYBOARD, id 7
   input        DELL DELL USB Laser Mouse MOUSE, id 8
   input        AT Translated Set 2 keyboard KEYBOARD, id 9
  xserver.errors:
   AIGLX error: failed to open /usr/X11R6/lib64/modules/dri/fglrx_dri.so, error[/usr/X11R6/lib64/modules/dri/fglrx_dri.so: cannot open shared object file: No such file or directory]
   AIGLX error: failed to open /usr/lib64/dri/fglrx_dri.so, error[/usr/lib64/dri/fglrx_dri.so: cannot open shared object file: No such file or directory]
   AIGLX error: failed to open /usr/X11R6/lib/modules/dri/fglrx_dri.so, error[/usr/X11R6/lib/modules/dri/fglrx_dri.so: cannot open shared object file: No such file or directory]
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.16.0-1ubuntu1.2~trusty2
  xserver.video_driver: fglrx

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References

[Bug 1490701] [NEW] BUG: soft lockup - CPU#3 stuck for 23s! [Xorg:11337]
From: js1, 2015-08-31