Attachment 106898 Details for Bug 84207 – dmesg

dmesg

dmesg_sgb4_hang_0926.txt (text/plain), 64.12 KB, created by lu hua on 2014-09-26 05:50:59 UTC

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Creator: lu hua

Created: 2014-09-26 05:50:59 UTC

Size: 64.12 KB

patch

obsolete

>[   23.546232] netpoll: netconsole: local port 6665
>[   23.546261] netpoll: netconsole: local IPv4 address 0.0.0.0
>[   23.546289] netpoll: netconsole: interface 'em1'
>[   23.546312] netpoll: netconsole: remote port 6666
>[   23.546336] netpoll: netconsole: remote IPv4 address 10.239.156.110
>[   23.546367] netpoll: netconsole: remote ethernet address 74:d0:2b:95:69:65
>[   23.546401] netpoll: netconsole: local IP 10.239.156.117
>[   23.547405] console [netcon0] enabled
>[   23.547458] netconsole: network logging started
>[   23.570600] console [netcon0] disabled
>[   23.599640] netpoll: netconsole: local port 6665
>[   23.599682] netpoll: netconsole: local IPv4 address 0.0.0.0
>[   23.599724] netpoll: netconsole: interface 'em1'
>[   23.599748] netpoll: netconsole: remote port 6666
>[   23.599771] netpoll: netconsole: remote IPv4 address 10.239.156.110
>[   23.599802] netpoll: netconsole: remote ethernet address 74:d0:2b:95:69:65
>[   23.599836] netpoll: netconsole: local IP 10.239.156.117
>[   23.600064] console [netcon0] enabled
>[   23.600104] netconsole: network logging started
>[   75.466335] gem_render_copy_redux: executing
>[   75.466523] [drm:i915_gem_open] 
>[   75.467855] [drm:i915_gem_open] 
>[   75.468506] gem_render_copy_redux: starting subtest normal
>[   75.707192] gem_render_copy_redux: starting subtest interruptible
>[   75.941973] gem_render_copy_redux: starting subtest flink
>[   75.942078] [drm:i915_gem_open] 
>[   75.947782] [drm:i915_gem_open] 
>[   75.952834] [drm:i915_gem_open] 
>[   75.958150] [drm:i915_gem_open] 
>[   75.962861] [drm:i915_gem_open] 
>[   75.967961] [drm:i915_gem_open] 
>[   75.972978] [drm:i915_gem_open] 
>[   75.978298] [drm:i915_gem_open] 
>[   75.983623] [drm:i915_gem_open] 
>[   75.988516] [drm:i915_gem_open] 
>[   75.993416] [drm:i915_gem_open] 
>[   75.998397] [drm:i915_gem_open] 
>[   76.003534] [drm:i915_gem_open] 
>[   76.008451] [drm:i915_gem_open] 
>[   76.013464] [drm:i915_gem_open] 
>[   76.018466] [drm:i915_gem_open] 
>[   76.023596] [drm:i915_gem_open] 
>[   76.028873] [drm:i915_gem_open] 
>[   76.033830] [drm:i915_gem_open] 
>[   76.038694] [drm:i915_gem_open] 
>[   76.044099] [drm:i915_gem_open] 
>[   76.048796] [drm:i915_gem_open] 
>[   76.054180] [drm:i915_gem_open] 
>[   76.059453] [drm:i915_gem_open] 
>[   76.064225] [drm:i915_gem_open] 
>[   76.069426] [drm:i915_gem_open] 
>[   76.074158] [drm:i915_gem_open] 
>[   76.079552] [drm:i915_gem_open] 
>[   76.084483] [drm:i915_gem_open] 
>[   76.089498] [drm:i915_gem_open] 
>[   76.094567] [drm:i915_gem_open] 
>[   76.099883] [drm:i915_gem_open] 
>[   76.105433] [drm:i915_gem_open] 
>[   76.111096] [drm:i915_gem_open] 
>[   76.116940] [drm:i915_gem_open] 
>[   76.122456] [drm:i915_gem_open] 
>[   76.127723] [drm:i915_gem_open] 
>[   76.133692] [drm:i915_gem_open] 
>[   76.139451] [drm:i915_gem_open] 
>[   76.144874] [drm:i915_gem_open] 
>[   76.150101] [drm:i915_gem_open] 
>[   76.156236] [drm:i915_gem_open] 
>[   76.161858] [drm:i915_gem_open] 
>[   76.167361] [drm:i915_gem_open] 
>[   76.172856] [drm:i915_gem_open] 
>[   76.178132] [drm:i915_gem_open] 
>[   76.183929] [drm:i915_gem_open] 
>[   76.189369] [drm:i915_gem_open] 
>[   76.194891] [drm:i915_gem_open] 
>[   76.200101] [drm:i915_gem_open] 
>[   76.205950] [drm:i915_gem_open] 
>[   76.211316] [drm:i915_gem_open] 
>[   76.216798] [drm:i915_gem_open] 
>[   76.222102] [drm:i915_gem_open] 
>[   76.227184] [drm:i915_gem_open] 
>[   76.232935] [drm:i915_gem_open] 
>[   76.238270] [drm:i915_gem_open] 
>[   76.243379] [drm:i915_gem_open] 
>[   76.248829] [drm:i915_gem_open] 
>[   76.254038] [drm:i915_gem_open] 
>[   76.259142] [drm:i915_gem_open] 
>[   76.264477] [drm:i915_gem_open] 
>[   76.269878] [drm:i915_gem_open] 
>[   76.275169] [drm:i915_gem_open] 
>[   76.280422] [drm:i915_gem_open] 
>[   76.285390] [drm:i915_gem_open] 
>[   76.290520] [drm:i915_gem_open] 
>[   76.295990] [drm:i915_gem_open] 
>[   76.301172] [drm:i915_gem_open] 
>[   76.306282] [drm:i915_gem_open] 
>[   76.311609] [drm:i915_gem_open] 
>[   76.316869] [drm:i915_gem_open] 
>[   76.321939] [drm:i915_gem_open] 
>[   76.327487] [drm:i915_gem_open] 
>[   76.332492] [drm:i915_gem_open] 
>[   76.338161] [drm:i915_gem_open] 
>[   76.343530] [drm:i915_gem_open] 
>[   76.348774] [drm:i915_gem_open] 
>[   76.353861] [drm:i915_gem_open] 
>[   76.359434] [drm:i915_gem_open] 
>[   76.364568] [drm:i915_gem_open] 
>[   76.370123] [drm:i915_gem_open] 
>[   76.375430] [drm:i915_gem_open] 
>[   76.380489] [drm:i915_gem_open] 
>[   76.385839] [drm:i915_gem_open] 
>[   76.390968] [drm:i915_gem_open] 
>[   76.396678] [drm:i915_gem_open] 
>[   76.402016] [drm:i915_gem_open] 
>[   76.407153] [drm:i915_gem_open] 
>[   76.412161] [drm:i915_gem_open] 
>[   76.417653] [drm:i915_gem_open] 
>[   76.422942] [drm:i915_gem_open] 
>[   76.427884] [drm:i915_gem_open] 
>[   76.433555] [drm:i915_gem_open] 
>[   76.438713] [drm:i915_gem_open] 
>[   76.443752] [drm:i915_gem_open] 
>[   76.449211] [drm:i915_gem_open] 
>[   76.454500] [drm:i915_gem_open] 
>[   76.459397] [drm:i915_gem_open] 
>[   76.465042] [drm:i915_gem_open] 
>[   76.470407] gem_render_copy_redux: starting subtest flink-interruptible
>[   76.471992] [drm:i915_gem_open] 
>[   76.478389] [drm:i915_gem_open] 
>[   76.483937] [drm:i915_gem_open] 
>[   76.489094] [drm:i915_gem_open] 
>[   76.494494] [drm:i915_gem_open] 
>[   76.499737] [drm:i915_gem_open] 
>[   76.505225] [drm:i915_gem_open] 
>[   76.510401] [drm:i915_gem_open] 
>[   76.515481] [drm:i915_gem_open] 
>[   76.520580] [drm:i915_gem_open] 
>[   76.525813] [drm:i915_gem_open] 
>[   76.526259] BUG: unable to handle kernel NULL pointer dereference at 00000028
>[   76.526624] IP: [<c10fde8d>] mmu_notifier_unregister+0x18/0xd8
>[   76.526992] *pde = 00000000 
>[   76.527360] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
>[   76.527773] Modules linked in: netconsole configfs dm_mod iTCO_wdt iTCO_vendor_support ppdev dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer lpc_ich snd mfd_core soundcore tpm_tis tpm parport_pc parport acpi_cpufreq i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[   76.529818] CPU: 6 PID: 3478 Comm: kworker/6:2 Not tainted 3.17.0-rc6_kcloud_338283_20140926+ #58
>[   76.530388] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[   76.531004] Workqueue: events __i915_mm_struct_free__worker [i915]
>[   76.531633] task: f2c00000 ti: f1136000 task.ti: f1136000
>[   76.532254] EIP: 0060:[<c10fde8d>] EFLAGS: 00010206 CPU: 6
>[   76.532899] EIP is at mmu_notifier_unregister+0x18/0xd8
>[   76.533564] EAX: 00000003 EBX: f4222a00 ECX: 002584a7 EDX: f4222a00
>[   76.534251] ESI: 00000024 EDI: f3384690 EBP: f1137ec0 ESP: f1137eb4
>[   76.534945]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[   76.535666] CR0: 80050033 CR2: 00000028 CR3: 31084000 CR4: 000407d0
>[   76.536397] Stack:
>[   76.537141]  f33846a8 fffffffc f3384690 f1137ed4 f821fbae f2e9fba0 00000000 00000000
>[   76.538057]  f1137f08 c104545e f5016f40 f5706600 f5705000 f33846a8 f8299180 c3678740
>[   76.538989]  00000000 f8287b28 f2e9fba0 f5705000 f2e9fbb8 f1137f34 c1045c5e f2c00000
>[   76.539945] Call Trace:
>[   76.540794]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[   76.541663]  [<c104545e>] process_one_work+0x1e0/0x37e
>[   76.542540]  [<c1045c5e>] worker_thread+0x240/0x317
>[   76.543425]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[   76.544332]  [<c1048e4d>] kthread+0xaa/0xaf
>[   76.545247]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[   76.546181]  [<c1060000>] ? nsec_low+0x24/0x33
>[   76.547125]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[   76.548088]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[   76.549067] Code: 5d c3 55 89 e5 66 66 66 66 90 31 c9 e8 e3 fe ff ff 5d c3 55 89 e5 57 56 53 66 66 66 66 90 89 c6 8b 42 28 89 d3 85 c0 7f 02 0f 0b <83> 7e 04 00 0f 84 8c 00 00 00 b8 30 d9 9a c3 e8 7b a0 f7 ff 31
>[   76.552298] EIP: [<c10fde8d>] mmu_notifier_unregister+0x18/0xd8 SS:ESP 0068:f1137eb4
>[   76.553470] CR2: 0000000000000028
>[   76.554628] ---[ end trace 15e101e49f72f2e8 ]---
>[   76.560587] BUG: unable to handle kernel paging request at ffffffd0
>[   76.561479] [drm:i915_gem_open] 
>[   76.563344] IP: [<c10492dc>] kthread_data+0xf/0x13
>[   76.564609] *pde = 031f2067 *pte = 00000000 
>[   76.565916] Oops: 0000 [#2] SMP DEBUG_PAGEALLOC
>[   76.566301] [drm:i915_gem_open] 
>[   76.568522] Modules linked in: netconsole configfs dm_mod iTCO_wdt iTCO_vendor_support ppdev dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer lpc_ich snd mfd_core soundcore tpm_tis tpm[   76.570451] [drm:i915_gem_open] 
>
>[   76.573219]  parport_pc[   76.574600] [drm:i915_gem_open] 
>[   76.576118]  parport acpi_cpufreq i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[   76.577776] CPU: 6 PID: 3478 Comm: kworker/6:2 Tainted: G      D        3.17.0-rc6_kcloud_338283_20140926+ #58
>[   76.578709] [drm:i915_gem_open] 
>[   76.580831] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[   76.582438] task: f2c00000 ti: f1136000 task.ti: f1136000
>[   76.582839] [drm:i915_gem_open] 
>[   76.585555] EIP: 0060:[<c10492dc>] EFLAGS: 00010002 CPU: 6
>[   76.586973] [drm:i915_gem_open] 
>[   76.588718] EIP is at kthread_data+0xf/0x13
>[   76.590373] EAX: 00000000 EBX: 00000006 ECX: 0000000a EDX: 00000006
>[   76.591132] [drm:i915_gem_open] 
>[   76.593636] ESI: 00000006 EDI: f2c00000 EBP: f1137cc0 ESP: f1137cb8
>[   76.595241] [drm:i915_gem_open] 
>[   76.596973]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[   76.598718] CR0: 80050033 CR2: 00000014 CR3: 31084000 CR4: 000407d0
>[   76.599389] [drm:i915_gem_open] 
>[   76.602166] Stack:
>[   76.603534] [drm:i915_gem_open] 
>[   76.605576]  c1045f6f f2c00380 f1137d34 c176b3f9 c31e35c0 c31e35c0 00000046 00000046
>[   76.607455]  00000001 f57055c0 f2c00000 c1065813 f1137cf8 00000246 f32e3810 f32e381c
>[   76.607661] [drm:i915_gem_open] 
>[   76.611063]  f1137d10 c12fcfa9 00000000 00000000 f32e3810 f32e381c f1137d28 c12fd04e
>[   76.611815] [drm:i915_gem_open] 
>[   76.614566] Call Trace:
>[   76.615934] [drm:i915_gem_open] 
>[   76.617771]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[   76.619373]  [<c176b3f9>] __schedule+0x121/0x788
>[   76.620059] [drm:i915_gem_open] 
>[   76.622538]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[   76.624120]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[   76.624258] [drm:i915_gem_open] 
>[   76.627278]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[   76.628343] [drm:i915_gem_open] 
>[   76.630428]  [<c176babb>] schedule+0x5b/0x5d
>[   76.631992]  [<c10366d3>] do_exit+0x789/0x7d5
>[   76.632449] [drm:i915_gem_open] 
>[   76.635080]  [<c1004722>] oops_end+0x93/0x9b
>[   76.636614]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[   76.636617] [drm:i915_gem_open] 
>[   76.639637]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[   76.640753] [drm:i915_gem_open] 
>[   76.642657]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[   76.644177]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[   76.644869] [drm:i915_gem_open] 
>[   76.647181]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[   76.648692]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[   76.649009] [drm:i915_gem_open] 
>[   76.651694]  [<c10657ed>] ? trace_hardirqs_on_caller+0x14b/0x166
>[   76.653160]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[   76.653167] [drm:i915_gem_open] 
>[   76.655970]  [<c102df0d>] do_page_fault+0xb/0xd
>[   76.657302] [drm:i915_gem_open] 
>[   76.658737]  [<c17704ff>] error_code+0x5f/0x64
>[   76.660123]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[   76.661432] [drm:i915_gem_open] 
>[   76.662859]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[   76.664257]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[   76.665617] [drm:i915_gem_open] 
>[   76.667034]  [<c104545e>] process_one_work+0x1e0/0x37e
>[   76.668401]  [<c1045c5e>] worker_thread+0x240/0x317
>[   76.669718]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[   76.669769] [drm:i915_gem_open] 
>[   76.672290]  [<c1048e4d>] kthread+0xaa/0xaf
>[   76.673578]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[   76.673848] [drm:i915_gem_open] 
>[   76.676096]  [<c1060000>] ? nsec_low+0x24/0x33
>[   76.677330]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[   76.677983] [drm:i915_gem_open] 
>[   76.679756]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[   76.680978] Code: 66 66 66 66 90 64 a1 e4 d6 1d c3 8b 80 54 03 00 00 5d 8b 40 c8 c1 e8 02 83 e0 01 c3 55 89 e5 66 66 66 66 90 8b 80 54 03 00 00 5d <8b> 40 d0 c3[   76.682193] [drm:i915_gem_open] 
>
>[   76.684512]  55 89 e5 52 66 66 66 66 90 b9 04 00 00 00 8b 90 54
>[   76.686310] [drm:i915_gem_open] 
>[   76.688784] EIP: [<c10492dc>] kthread_data+0xf/0x13 SS:ESP 0068:f1137cb8
>[   76.690166] CR2: 00000000ffffffd0
>[   76.690425] [drm:i915_gem_open] 
>[   76.692776] ---[ end trace 15e101e49f72f2e9 ]---
>[   76.694077] Fixing recursive fault but reboot is needed!
>[   76.694589] [drm:i915_gem_open] 
>[   76.698761] [drm:i915_gem_open] 
>[   76.704987] [drm:i915_gem_open] 
>[   76.711146] [drm:i915_gem_open] 
>[   76.717393] [drm:i915_gem_open] 
>[   76.723434] [drm:i915_gem_open] 
>[   76.729716] [drm:i915_gem_open] 
>[   76.735873] [drm:i915_gem_open] 
>[   76.742047] [drm:i915_gem_open] 
>[   76.748265] [drm:i915_gem_open] 
>[   76.754412] [drm:i915_gem_open] 
>[   76.760596] [drm:i915_gem_open] 
>[   76.761858] BUG: unable to handle kernel NULL pointer dereference at 00000028
>[   76.763024] IP: [<c10fde8d>] mmu_notifier_unregister+0x18/0xd8
>[   76.764201] *pde = 00000000 
>[   76.765358] Oops: 0000 [#3] SMP DEBUG_PAGEALLOC
>[   76.766557] Modules linked in: netconsole configfs dm_mod iTCO_wdt iTCO_vendor_support ppdev dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer lpc_ich snd mfd_core soundcore tpm_tis tpm parport_pc parport acpi_cpufreq i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[   76.770857] CPU: 5 PID: 1017 Comm: kworker/5:1 Tainted: G      D        3.17.0-rc6_kcloud_338283_20140926+ #58
>[   76.772177] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[   76.774213] Workqueue: events __i915_mm_struct_free__worker [i915]
>[   76.776229] task: f4988000 ti: f4ad0000 task.ti: f4ad0000
>[   76.777654] EIP: 0060:[<c10fde8d>] EFLAGS: 00010202 CPU: 5
>[   76.779356] EIP is at mmu_notifier_unregister+0x18/0xd8
>[   76.779536] [drm:i915_gem_open] 
>[   76.783377] EAX: 00000007 EBX: f4222a00 ECX: 00000000 EDX: f4222a00
>[   76.785396] ESI: 00000024 EDI: f11d2000 EBP: f4ad1ec0 ESP: f4ad1eb4
>[   76.785719] [drm:i915_gem_open] 
>[   76.789414]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[   76.791416] CR0: 80050033 CR2: 00000028 CR3: 31084000 CR4: 000407d0
>[   76.791862] [drm:i915_gem_open] 
>[   76.795440] Stack:
>[   76.797302]  f11d2018 fffffffc f11d2000 f4ad1ed4 f821fbae f4a58550 00000000 00000000
>[   76.798165] [drm:i915_gem_open] 
>[   76.801568]  f4ad1f08 c104545e f5016f40 f56f9600 f56f8000 f11d2018 f8299180 00000000
>[   76.803715]  00000000 f8287b28 f4a58550 f56f8000 f4a58568 f4ad1f34 c1045c5e f4988000
>[   76.804347] [drm:i915_gem_open] 
>[   76.808082] Call Trace:
>[   76.810064]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[   76.810536] [drm:i915_gem_open] 
>[   76.814248]  [<c104545e>] process_one_work+0x1e0/0x37e
>[   76.816178]  [<c1045c5e>] worker_thread+0x240/0x317
>[   76.816755] [drm:i915_gem_open] 
>[   76.820325]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[   76.822313]  [<c1048e4d>] kthread+0xaa/0xaf
>[   76.822983] [drm:i915_gem_open] 
>[   76.826454]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[   76.828498]  [<c1060000>] ? nsec_low+0x24/0x33
>[   76.829151] [drm:i915_gem_open] 
>[   76.832641]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[   76.834683]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[   76.835298] [drm:i915_gem_open] 
>[   76.838830] Code: 5d c3 55 89 e5 66 66 66 66 90 31 c9 e8 e3 fe ff ff 5d c3 55 89 e5 57 56 53 66 66 66 66 90 89 c6 8b 42 28 89 d3 85 c0 7f 02 0f 0b <83> 7e 04 00[   76.841537] [drm:i915_gem_open] 
>
>[   76.844034]  0f 84 8c 00 00 00 b8 30 d9 9a c3 e8 7b a0 f7 ff 31
>[   76.847770] [drm:i915_gem_open] 
>[   76.850560] EIP: [<c10fde8d>] mmu_notifier_unregister+0x18/0xd8 SS:ESP 0068:f4ad1eb4
>[   76.852644] CR2: 0000000000000028
>[   76.853927] [drm:i915_gem_open] 
>[   76.856851] ---[ end trace 15e101e49f72f2ea ]---
>[   76.858892] BUG: unable to handle kernel paging request at ffffffd0
>[   76.860144] [drm:i915_gem_open] 
>[   76.863219] IP: [<c10492dc>] kthread_data+0xf/0x13
>[   76.865306] *pde = 031f2067 *pte = 00000000 
>[   76.866349] [drm:i915_gem_open] 
>[   76.869715] Oops: 0000 [#4] SMP DEBUG_PAGEALLOC
>[   76.871905] Modules linked in: netconsole configfs dm_mod iTCO_wdt iTCO_vendor_support ppdev dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic[   76.872528] [drm:i915_gem_open] 
>
>[   76.876875]  serio_raw[   76.878775] [drm:i915_gem_open] 
>[   76.881584]  pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer lpc_ich snd mfd_core soundcore tpm_tis tpm parport_pc parport acpi_cpufreq i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[   76.884912] [drm:i915_gem_open] 
>[   76.889797] CPU: 5 PID: 1017 Comm: kworker/5:1 Tainted: G      D        3.17.0-rc6_kcloud_338283_20140926+ #58
>[   76.891122] [drm:i915_gem_open] 
>[   76.895064] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[   76.897335] [drm:i915_gem_open] 
>[   76.900318] task: f4988000 ti: f4ad0000 task.ti: f4ad0000
>[   76.902857] EIP: 0060:[<c10492dc>] EFLAGS: 00010002 CPU: 5
>[   76.903526] [drm:i915_gem_open] 
>[   76.907857] EIP is at kthread_data+0xf/0x13
>[   76.909830] [drm:i915_gem_open] 
>[   76.912714] EAX: 00000000 EBX: 00000005 ECX: 00000000 EDX: 00000005
>[   76.915050] ESI: 00000005 EDI: f4988000 EBP: f4ad1cc0 ESP: f4ad1cb8
>[   76.915948] [drm:i915_gem_open] 
>[   76.919860]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[   76.922124] [drm:i915_gem_open] 
>[   76.924666] CR0: 80050033 CR2: 00000014 CR3: 31084000 CR4: 000407d0
>[   76.926966] Stack:
>[   76.928308] [drm:i915_gem_open] 
>[   76.931707]  c1045f6f f4988380 f4ad1d34 c176b3f9 c31e35c0 c31e35c0 00000046 00000046
>[   76.934219]  00000001 f56f85c0 f4988000 c1065813 f4ad1cf8 00000246 f4367a40 f4367a4c
>[   76.934563] [drm:i915_gem_open] 
>[   76.939264]  f4ad1d10 c12fcfa9 00000000 00000000 f4367a40 f4367a4c f4ad1d28 c12fd04e
>[   76.940735] [drm:i915_gem_open] 
>[   76.944352] Call Trace:
>[   76.946636]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[   76.946843] [drm:i915_gem_open] 
>[   76.951418]  [<c176b3f9>] __schedule+0x121/0x788
>[   76.953075] [drm:i915_gem_open] 
>[   76.956078]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[   76.958303]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[   76.959355] [drm:i915_gem_open] 
>[   76.963045]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[   76.965293]  [<c176babb>] schedule+0x5b/0x5d
>[   76.965571] [drm:i915_gem_open] 
>[   76.970018]  [<c10366d3>] do_exit+0x789/0x7d5
>[   76.971745] [drm:i915_gem_open] 
>[   76.974641]  [<c1004722>] oops_end+0x93/0x9b
>[   76.976790]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[   76.977953] [drm:i915_gem_open] 
>[   76.981502]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[   76.983741]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[   76.984170] [drm:i915_gem_open] 
>[   76.988397]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[   76.990366] [drm:i915_gem_open] 
>[   76.992858]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[   76.995078]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[   76.996494] [drm:i915_gem_open] 
>[   76.999461]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[   77.001502]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[   77.002730] [drm:i915_gem_open] 
>[   77.005916]  [<c102df0d>] do_page_fault+0xb/0xd
>[   77.007927]  [<c17704ff>] error_code+0x5f/0x64
>[   77.008984] [drm:i915_gem_open] 
>[   77.012326]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[   77.014348]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[   77.015153] [drm:i915_gem_open] 
>[   77.018753]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[   77.020814]  [<c104545e>] process_one_work+0x1e0/0x37e
>[   77.021351] [drm:i915_gem_open] 
>[   77.025046]  [<c1045c5e>] worker_thread+0x240/0x317
>[   77.026962]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[   77.027582] [drm:i915_gem_open] 
>[   77.031092]  [<c1048e4d>] kthread+0xaa/0xaf
>[   77.032937]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[   77.033796] [drm:i915_gem_open] 
>[   77.036839]  [<c1060000>] ? nsec_low+0x24/0x33
>[   77.038657]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[   77.039935] [drm:i915_gem_open] 
>[   77.042446]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[   77.044299] Code: 66 66 66 66 90 64 a1 e4 d6 1d c3 8b 80 54 03 00 00 5d 8b 40 c8 c1 e8 02 83 e0 01 c3 55 89 e5 66 66 66 66 90 8b 80 54 03 00 00 5d <8b> 40 d0 c3[   77.046094] [drm:i915_gem_open] 
>
>[   77.049426]  55 89 e5 52 66 66 66 66 90 b9 04 00 00 00 8b 90 54
>[   77.052338] [drm:i915_gem_open] 
>[   77.055669] EIP: [<c10492dc>] kthread_data+0xf/0x13 SS:ESP 0068:f4ad1cb8
>[   77.057597] CR2: 00000000ffffffd0
>[   77.059290] ---[ end trace 15e101e49f72f2eb ]---
>[   77.060921] Fixing recursive fault but reboot is needed!
>[   99.438032] ------------[ cut here ]------------
>[   99.439365] WARNING: CPU: 0 PID: 0 at kernel/watchdog.c:267 watchdog_overflow_callback+0x8b/0x98()
>[   99.440737] Watchdog detected hard LOCKUP on cpu 0
>[   99.440775] Modules linked in: netconsole configfs dm_mod iTCO_wdt iTCO_vendor_support ppdev dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer lpc_ich snd mfd_core soundcore tpm_tis tpm parport_pc parport acpi_cpufreq i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[   99.447097] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D        3.17.0-rc6_kcloud_338283_20140926+ #58
>[   99.448590] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[   99.450057]  00000000 00000000 c1b9dc0c c1769120 c1b9dc34 c1b9dc24 c1035239 c10a8004
>[   99.451702]  c10a7f79 00000064 f50312c0 c1b9dc3c c103527b 00000009 c1b9dc34 c1a879a5
>[   99.453356]  c1b9dc50 c1b9dc54 c10a8004 c1a879cd 0000010b c1a879a5 00000000 c1b9dc98
>[   99.455015] Call Trace:
>[   99.456549]  [<c1769120>] dump_stack+0x41/0x52
>[   99.458047]  [<c1035239>] warn_slowpath_common+0x66/0x7d
>[   99.459545]  [<c10a8004>] ? watchdog_overflow_callback+0x8b/0x98
>[   99.461053]  [<c10a7f79>] ? restart_watchdog_hrtimer+0x3a/0x3a
>[   99.462560]  [<c103527b>] warn_slowpath_fmt+0x2b/0x2f
>[   99.464063]  [<c10a8004>] watchdog_overflow_callback+0x8b/0x98
>[   99.465569]  [<c10cd28c>] __perf_event_overflow+0x21b/0x2ec
>[   99.467084]  [<c10cd7ee>] perf_event_overflow+0x10/0x12
>[   99.468594]  [<c101689c>] intel_pmu_handle_irq+0x302/0x37a
>[   99.470109]  [<c1066135>] ? __lock_acquire+0x707/0x1562
>[   99.471621]  [<c1010555>] perf_event_nmi_handler+0x25/0x3e
>[   99.473139]  [<c1004aeb>] nmi_handle+0x6c/0x132
>[   99.474651]  [<c1004ba6>] ? nmi_handle+0x127/0x132
>[   99.476162]  [<c1004f72>] default_do_nmi+0x42/0x154
>[   99.477665]  [<c1005104>] do_nmi+0x80/0xd8
>[   99.479165]  [<c17705b8>] nmi_stack_correct+0x28/0x2d
>[   99.480662]  [<c13183d5>] ? delay_tsc+0x25/0x46
>[   99.482152]  [<c1318344>] __delay+0xe/0x10
>[   99.483629]  [<c1069257>] do_raw_spin_lock+0xae/0x107
>[   99.485111]  [<c176edcf>] _raw_spin_lock+0x27/0x2f
>[   99.486592]  [<c105bea8>] ? sched_rt_period_timer+0xc0/0x268
>[   99.488077]  [<c105bea8>] sched_rt_period_timer+0xc0/0x268
>[   99.489557]  [<c105bde8>] ? sched_rt_rq_enqueue+0x66/0x66
>[   99.491029]  [<c107e5e3>] __run_hrtimer+0x93/0x14c
>[   99.492509]  [<c107ed0f>] hrtimer_interrupt+0xf7/0x1ef
>[   99.493988]  [<c10248b3>] local_apic_timer_interrupt+0x46/0x4b
>[   99.495470]  [<c1024c2a>] smp_apic_timer_interrupt+0x33/0x42
>[   99.496949]  [<c17700ae>] apic_timer_interrupt+0x32/0x38
>[   99.498430]  [<c168f31d>] ? poll_idle+0x6a/0x77
>[   99.499896]  [<c168ee2a>] cpuidle_enter_state+0x50/0x124
>[   99.501358]  [<c168efb2>] cpuidle_enter+0x14/0x17
>[   99.502805]  [<c105f5a4>] cpu_startup_entry+0x18d/0x28d
>[   99.504253]  [<c176253b>] rest_init+0x97/0x9c
>[   99.505699]  [<c1c2fa89>] start_kernel+0x39c/0x3a1
>[   99.507142]  [<c1c2f2ab>] i386_start_kernel+0x79/0x7d
>[   99.508582] ---[ end trace 15e101e49f72f2ec ]---
>[  104.106906] ------------[ cut here ]------------
>[  104.108355] WARNING: CPU: 6 PID: 3478 at kernel/watchdog.c:267 watchdog_overflow_callback+0x8b/0x98()
>[  104.109861] Watchdog detected hard LOCKUP on cpu 6
>[  104.109906] Modules linked in: netconsole configfs dm_mod iTCO_wdt iTCO_vendor_support ppdev dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer lpc_ich snd mfd_core soundcore tpm_tis tpm parport_pc parport acpi_cpufreq i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  104.116982] CPU: 6 PID: 3478 Comm: kworker/6:2 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  104.118565] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  104.120136]  00000001 00000000 f1137868 c1769120 f1137890 f1137880 c1035239 c10a8004
>[  104.121922]  c10a7f79 00000032 f50320d0 f1137898 c103527b 00000009 f1137890 c1a879a5
>[  104.123707]  f11378ac f11378b0 c10a8004 c1a879cd 0000010b c1a879a5 00000006 f11378f4
>[  104.125504] Call Trace:
>[  104.127072]  [<c1769120>] dump_stack+0x41/0x52
>[  104.128648]  [<c1035239>] warn_slowpath_common+0x66/0x7d
>[  104.130233]  [<c10a8004>] ? watchdog_overflow_callback+0x8b/0x98
>[  104.131817]  [<c10a7f79>] ? restart_watchdog_hrtimer+0x3a/0x3a
>[  104.133396]  [<c103527b>] warn_slowpath_fmt+0x2b/0x2f
>[  104.134957]  [<c10a8004>] watchdog_overflow_callback+0x8b/0x98
>[  104.136510]  [<c10cd28c>] __perf_event_overflow+0x21b/0x2ec
>[  104.138025]  [<c10cd7ee>] perf_event_overflow+0x10/0x12
>[  104.139500]  [<c101689c>] intel_pmu_handle_irq+0x302/0x37a
>[  104.140935]  [<c10ff31b>] ? set_track+0x4d/0xac
>[  104.142344]  [<c1767166>] ? __slab_alloc.constprop.62+0x286/0x2bf
>[  104.143742]  [<c1063c5a>] ? trace_hardirqs_off+0xb/0xd
>[  104.145126]  [<c1010555>] perf_event_nmi_handler+0x25/0x3e
>[  104.146505]  [<c1004aeb>] nmi_handle+0x6c/0x132
>[  104.147872]  [<c1004f72>] default_do_nmi+0x42/0x154
>[  104.149227]  [<c16d5b24>] ? netpoll_start_xmit+0xe4/0x12c
>[  104.150580]  [<c1005104>] do_nmi+0x80/0xd8
>[  104.151929]  [<c17705b8>] nmi_stack_correct+0x28/0x2d
>[  104.153277]  [<c16d007b>] ? rtnl_newlink+0x267/0x56b
>[  104.154623]  [<c13183d5>] ? delay_tsc+0x25/0x46
>[  104.155962]  [<c1318344>] __delay+0xe/0x10
>[  104.157287]  [<c1069257>] do_raw_spin_lock+0xae/0x107
>[  104.158614]  [<c176eed4>] _raw_spin_lock_irq+0x2d/0x35
>[  104.159943]  [<c176b388>] ? __schedule+0xb0/0x788
>[  104.161272]  [<c176b388>] __schedule+0xb0/0x788
>[  104.162596]  [<c107286f>] ? vprintk_emit+0x49d/0x4b0
>[  104.163915]  [<c1766244>] ? printk+0x1c/0x1e
>[  104.165230]  [<c176babb>] schedule+0x5b/0x5d
>[  104.166542]  [<c1036017>] do_exit+0xcd/0x7d5
>[  104.167856]  [<c1073564>] ? kmsg_dump+0xd2/0xd9
>[  104.169166]  [<c1004722>] oops_end+0x93/0x9b
>[  104.170473]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  104.171781]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  104.173097]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.174416]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  104.175736]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  104.177052]  [<c1062c23>] ? cpuacct_charge+0x6a/0x72
>[  104.178368]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  104.179687]  [<c1054276>] ? sched_clock_cpu+0x19/0xd9
>[  104.180998]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.182312]  [<c102df0d>] do_page_fault+0xb/0xd
>[  104.183620]  [<c17704ff>] error_code+0x5f/0x64
>[  104.184925]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.186237]  [<c10492dc>] ? kthread_data+0xf/0x13
>[  104.187541]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[  104.188848]  [<c176b3f9>] __schedule+0x121/0x788
>[  104.190157]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  104.191472]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[  104.192780]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[  104.194084]  [<c176babb>] schedule+0x5b/0x5d
>[  104.195392]  [<c10366d3>] do_exit+0x789/0x7d5
>[  104.196695]  [<c1004722>] oops_end+0x93/0x9b
>[  104.197993]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  104.199277]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  104.200547]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.201783]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  104.202974]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  104.204127]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  104.205260]  [<c10657ed>] ? trace_hardirqs_on_caller+0x14b/0x166
>[  104.206374]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.207473]  [<c102df0d>] do_page_fault+0xb/0xd
>[  104.208557]  [<c17704ff>] error_code+0x5f/0x64
>[  104.209629]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.210687]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[  104.211767]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[  104.212842]  [<c104545e>] process_one_work+0x1e0/0x37e
>[  104.213913]  [<c1045c5e>] worker_thread+0x240/0x317
>[  104.214977]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[  104.216047]  [<c1048e4d>] kthread+0xaa/0xaf
>[  104.217109]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[  104.218175]  [<c1060000>] ? nsec_low+0x24/0x33
>[  104.219237]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[  104.220306]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[  104.221379] ---[ end trace 15e101e49f72f2ed ]---
>[  104.663801] ------------[ cut here ]------------
>[  104.664856] WARNING: CPU: 5 PID: 1017 at kernel/watchdog.c:267 watchdog_overflow_callback+0x8b/0x98()
>[  104.665962] Watchdog detected hard LOCKUP on cpu 5
>[  104.666008] Modules linked in: netconsole configfs dm_mod iTCO_wdt iTCO_vendor_support ppdev dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer lpc_ich snd mfd_core soundcore tpm_tis tpm parport_pc parport acpi_cpufreq i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  104.671547] CPU: 5 PID: 1017 Comm: kworker/5:1 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  104.672794] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  104.674073]  00000001 00000000 f4ad1868 c1769120 f4ad1890 f4ad1880 c1035239 c10a8004
>[  104.675571]  c10a7f79 00000019 f5035910 f4ad1898 c103527b 00000009 f4ad1890 c1a879a5
>[  104.677082]  f4ad18ac f4ad18b0 c10a8004 c1a879cd 0000010b c1a879a5 00000005 f4ad18f4
>[  104.678607] Call Trace:
>[  104.679917]  [<c1769120>] dump_stack+0x41/0x52
>[  104.681247]  [<c1035239>] warn_slowpath_common+0x66/0x7d
>[  104.682586]  [<c10a8004>] ? watchdog_overflow_callback+0x8b/0x98
>[  104.683925]  [<c10a7f79>] ? restart_watchdog_hrtimer+0x3a/0x3a
>[  104.685270]  [<c103527b>] warn_slowpath_fmt+0x2b/0x2f
>[  104.686622]  [<c10a8004>] watchdog_overflow_callback+0x8b/0x98
>[  104.687982]  [<c10cd28c>] __perf_event_overflow+0x21b/0x2ec
>[  104.689345]  [<c10cd7ee>] perf_event_overflow+0x10/0x12
>[  104.690706]  [<c101689c>] intel_pmu_handle_irq+0x302/0x37a
>[  104.692074]  [<c10ff31b>] ? set_track+0x4d/0xac
>[  104.693438]  [<c1767166>] ? __slab_alloc.constprop.62+0x286/0x2bf
>[  104.694810]  [<c1063c5a>] ? trace_hardirqs_off+0xb/0xd
>[  104.696180]  [<c1010555>] perf_event_nmi_handler+0x25/0x3e
>[  104.697556]  [<c1004aeb>] nmi_handle+0x6c/0x132
>[  104.698928]  [<c1004f72>] default_do_nmi+0x42/0x154
>[  104.700296]  [<c16d5b24>] ? netpoll_start_xmit+0xe4/0x12c
>[  104.701672]  [<c1005104>] do_nmi+0x80/0xd8
>[  104.703044]  [<c17705b8>] nmi_stack_correct+0x28/0x2d
>[  104.704418]  [<c16d007b>] ? rtnl_newlink+0x267/0x56b
>[  104.705796]  [<c13183d5>] ? delay_tsc+0x25/0x46
>[  104.707168]  [<c1318344>] __delay+0xe/0x10
>[  104.708534]  [<c1069257>] do_raw_spin_lock+0xae/0x107
>[  104.709903]  [<c176eed4>] _raw_spin_lock_irq+0x2d/0x35
>[  104.711270]  [<c176b388>] ? __schedule+0xb0/0x788
>[  104.712638]  [<c176b388>] __schedule+0xb0/0x788
>[  104.714002]  [<c107286f>] ? vprintk_emit+0x49d/0x4b0
>[  104.715373]  [<c1766244>] ? printk+0x1c/0x1e
>[  104.716735]  [<c176babb>] schedule+0x5b/0x5d
>[  104.718093]  [<c1036017>] do_exit+0xcd/0x7d5
>[  104.719452]  [<c1073564>] ? kmsg_dump+0xd2/0xd9
>[  104.720813]  [<c1004722>] oops_end+0x93/0x9b
>[  104.722166]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  104.723517]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  104.724873]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.726224]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  104.727580]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  104.728932]  [<c1062c23>] ? cpuacct_charge+0x6a/0x72
>[  104.730280]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  104.731634]  [<c1054276>] ? sched_clock_cpu+0x19/0xd9
>[  104.732983]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.734331]  [<c102df0d>] do_page_fault+0xb/0xd
>[  104.735678]  [<c17704ff>] error_code+0x5f/0x64
>[  104.737012]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.738341]  [<c10492dc>] ? kthread_data+0xf/0x13
>[  104.739674]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[  104.740998]  [<c176b3f9>] __schedule+0x121/0x788
>[  104.742323]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  104.743648]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[  104.744968]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[  104.746289]  [<c176babb>] schedule+0x5b/0x5d
>[  104.747598]  [<c10366d3>] do_exit+0x789/0x7d5
>[  104.748898]  [<c1004722>] oops_end+0x93/0x9b
>[  104.750194]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  104.751469]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  104.752733]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.753959]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  104.755146]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  104.756294]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  104.757421]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  104.758523]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.759610]  [<c102df0d>] do_page_fault+0xb/0xd
>[  104.760682]  [<c17704ff>] error_code+0x5f/0x64
>[  104.761739]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  104.762787]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[  104.763854]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[  104.764924]  [<c104545e>] process_one_work+0x1e0/0x37e
>[  104.765986]  [<c1045c5e>] worker_thread+0x240/0x317
>[  104.767042]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[  104.768103]  [<c1048e4d>] kthread+0xaa/0xaf
>[  104.769158]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[  104.770221]  [<c1060000>] ? nsec_low+0x24/0x33
>[  104.771279]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[  104.772346]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[  104.773416] ---[ end trace 15e101e49f72f2ee ]---
>[  140.282866] INFO: rcu_sched detected stalls on CPUs/tasks: { 6} (detected by 4, t=63555 jiffies, g=2327, c=2326, q=4511)
>[  140.284473] Task dump for CPU 6:
>[  140.285986] kworker/6:2     D c10492dc     0  3478      2 0x00000000
>[  140.287578]  d35c00d8 c102df02 ffffffff c10492dc 00000060 00010002 c1045f6f f2c00380
>[  140.289291]  f1137d34 c176b3f9 c31e35c0 c31e35c0 00000046 00000046 00000001 f57055c0
>[  140.291012]  f2c00000 c1065813 f1137cf8 00000246 f32e3810 f32e381c f1137d10 c12fcfa9
>[  140.292749] Call Trace:
>[  140.294325]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  140.295930]  [<c10492dc>] ? kthread_data+0xf/0x13
>[  140.297536]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[  140.299150]  [<c176b3f9>] ? __schedule+0x121/0x788
>[  140.300763]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  140.302377]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[  140.303987]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[  140.305602]  [<c176babb>] ? schedule+0x5b/0x5d
>[  140.307212]  [<c10366d3>] ? do_exit+0x789/0x7d5
>[  140.308818]  [<c1004722>] ? oops_end+0x93/0x9b
>[  140.310426]  [<c1764ec6>] ? no_context+0x1c8/0x1d2
>[  140.312038]  [<c17650fd>] ? __bad_area_nosemaphore+0x109/0x113
>[  140.313665]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  140.315290]  [<c1765119>] ? bad_area_nosemaphore+0x12/0x15
>[  140.316924]  [<c102dc08>] ? __do_page_fault+0x145/0x43f
>[  140.318558]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  140.320189]  [<c10657ed>] ? trace_hardirqs_on_caller+0x14b/0x166
>[  140.321826]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  140.323459]  [<c102df0d>] ? do_page_fault+0xb/0xd
>[  140.325087]  [<c17704ff>] ? error_code+0x5f/0x64
>[  140.326713]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  140.328339]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[  140.329991]  [<f821fbae>] ? __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[  140.331646]  [<c104545e>] ? process_one_work+0x1e0/0x37e
>[  140.333304]  [<c1045c5e>] ? worker_thread+0x240/0x317
>[  140.334957]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[  140.336621]  [<c1048e4d>] ? kthread+0xaa/0xaf
>[  140.338275]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[  140.339937]  [<c1060000>] ? nsec_low+0x24/0x33
>[  140.341594]  [<c176f6a1>] ? ret_from_kernel_thread+0x21/0x30
>[  140.343260]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[  157.845766] BUG: spinlock lockup suspected on CPU#6, kworker/6:2/3478
>[  157.846970]  lock: 0xf57055c0, .magic: dead4ead, .owner: kworker/6:2/3478, .owner_cpu: 6
>[  157.848222] CPU: 6 PID: 3478 Comm: kworker/6:2 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  157.849507] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  157.850777]  00000001 00000000 f1137a60 c1769120 f2c00000 f1137a88 c17660f4 c1a8140a
>[  157.852229]  f57055c0 dead4ead f2c003cc 00000d96 00000006 f57055c0 ca2fc400 f1137aa4
>[  157.853683]  c1069272 ca2fc400 00000000 f57055c0 00000006 f57055c0 f1137ac0 c176eed4
>[  157.855147] Call Trace:
>[  157.856439]  [<c1769120>] dump_stack+0x41/0x52
>[  157.857734]  [<c17660f4>] spin_dump+0x78/0x82
>[  157.859030]  [<c1069272>] do_raw_spin_lock+0xc9/0x107
>[  157.860330]  [<c176eed4>] _raw_spin_lock_irq+0x2d/0x35
>[  157.861626]  [<c176b388>] ? __schedule+0xb0/0x788
>[  157.862923]  [<c176b388>] __schedule+0xb0/0x788
>[  157.864217]  [<c107286f>] ? vprintk_emit+0x49d/0x4b0
>[  157.865511]  [<c1766244>] ? printk+0x1c/0x1e
>[  157.866792]  [<c176babb>] schedule+0x5b/0x5d
>[  157.868062]  [<c1036017>] do_exit+0xcd/0x7d5
>[  157.869329]  [<c1073564>] ? kmsg_dump+0xd2/0xd9
>[  157.870592]  [<c1004722>] oops_end+0x93/0x9b
>[  157.871850]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  157.873107]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  157.874367]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.875623]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  157.876880]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  157.878131]  [<c1062c23>] ? cpuacct_charge+0x6a/0x72
>[  157.879352]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  157.880554]  [<c1054276>] ? sched_clock_cpu+0x19/0xd9
>[  157.881744]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.882923]  [<c102df0d>] do_page_fault+0xb/0xd
>[  157.884085]  [<c17704ff>] error_code+0x5f/0x64
>[  157.885240]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.886389]  [<c10492dc>] ? kthread_data+0xf/0x13
>[  157.887529]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[  157.888671]  [<c176b3f9>] __schedule+0x121/0x788
>[  157.889812]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  157.890952]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[  157.892089]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[  157.893224]  [<c176babb>] schedule+0x5b/0x5d
>[  157.894361]  [<c10366d3>] do_exit+0x789/0x7d5
>[  157.895497]  [<c1004722>] oops_end+0x93/0x9b
>[  157.896632]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  157.897768]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  157.898913]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.900059]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  157.901203]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  157.902346]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  157.903490]  [<c10657ed>] ? trace_hardirqs_on_caller+0x14b/0x166
>[  157.904636]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.905782]  [<c102df0d>] do_page_fault+0xb/0xd
>[  157.906921]  [<c17704ff>] error_code+0x5f/0x64
>[  157.908061]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.909203]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[  157.910364]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[  157.911522]  [<c104545e>] process_one_work+0x1e0/0x37e
>[  157.912670]  [<c1045c5e>] worker_thread+0x240/0x317
>[  157.913814]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[  157.914966]  [<c1048e4d>] kthread+0xaa/0xaf
>[  157.916112]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[  157.917259]  [<c1060000>] ? nsec_low+0x24/0x33
>[  157.918406]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[  157.919553]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[  157.920704] sending NMI to all CPUs:
>[  157.921851] NMI backtrace for cpu 6
>[  157.923376] CPU: 6 PID: 3478 Comm: kworker/6:2 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  157.924961] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  157.926548] task: f2c00000 ti: f1136000 task.ti: f1136000
>[  157.928087] EIP: 0060:[<c13183df>] EFLAGS: 00000093 CPU: 6
>[  157.929617] EIP is at delay_tsc+0x2f/0x46
>[  157.931147] EAX: d1004ed6 EBX: 0033c29a ECX: d1004eb6 EDX: 00000020
>[  157.932690] ESI: 00000006 EDI: 00000000 EBP: f1137a6c ESP: f1137a64
>[  157.934199]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[  157.935727] CR0: 80050033 CR2: 00000014 CR3: 31084000 CR4: 000407d0
>[  157.937259] Stack:
>[  157.938790]  00002710 ca2fc400 f1137a74 c1318344 f1137a7c c1318363 f1137a88 c1026459
>[  157.940606]  f57055c0 f1137aa4 c106927c ca2fc400 00000000 f57055c0 00000006 f57055c0
>[  157.943079]  f1137ac0 c176eed4 00000000 00000001 00000000 c176b388 f2c00000 f1137b34
>[  157.944923] Call Trace:
>[  157.946528]  [<c1318344>] __delay+0xe/0x10
>[  157.948118]  [<c1318363>] __const_udelay+0x1d/0x1f
>[  157.949717]  [<c1026459>] arch_trigger_all_cpu_backtrace+0x8f/0x9e
>[  157.951339]  [<c106927c>] do_raw_spin_lock+0xd3/0x107
>[  157.952960]  [<c176eed4>] _raw_spin_lock_irq+0x2d/0x35
>[  157.954592]  [<c176b388>] ? __schedule+0xb0/0x788
>[  157.956217]  [<c176b388>] __schedule+0xb0/0x788
>[  157.957838]  [<c107286f>] ? vprintk_emit+0x49d/0x4b0
>[  157.959452]  [<c1766244>] ? printk+0x1c/0x1e
>[  157.961064]  [<c176babb>] schedule+0x5b/0x5d
>[  157.962665]  [<c1036017>] do_exit+0xcd/0x7d5
>[  157.964265]  [<c1073564>] ? kmsg_dump+0xd2/0xd9
>[  157.965870]  [<c1004722>] oops_end+0x93/0x9b
>[  157.967459]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  157.969057]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  157.970659]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.972268]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  157.973878]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  157.975488]  [<c1062c23>] ? cpuacct_charge+0x6a/0x72
>[  157.977095]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  157.978707]  [<c1054276>] ? sched_clock_cpu+0x19/0xd9
>[  157.980315]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.981925]  [<c102df0d>] do_page_fault+0xb/0xd
>[  157.983533]  [<c17704ff>] error_code+0x5f/0x64
>[  157.985135]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  157.986747]  [<c10492dc>] ? kthread_data+0xf/0x13
>[  157.988359]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[  157.989979]  [<c176b3f9>] __schedule+0x121/0x788
>[  157.991596]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  157.993210]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[  157.994818]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[  157.997679]  [<c176babb>] schedule+0x5b/0x5d
>[  157.999278]  [<c10366d3>] do_exit+0x789/0x7d5
>[  158.000871]  [<c1004722>] oops_end+0x93/0x9b
>[  158.002459]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  158.004046]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  158.005645]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.007247]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  158.008847]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  158.010436]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  158.012022]  [<c10657ed>] ? trace_hardirqs_on_caller+0x14b/0x166
>[  158.013618]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.015206]  [<c102df0d>] do_page_fault+0xb/0xd
>[  158.016785]  [<c17704ff>] error_code+0x5f/0x64
>[  158.018358]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.019937]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[  158.021534]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[  158.023127]  [<c104545e>] process_one_work+0x1e0/0x37e
>[  158.024711]  [<c1045c5e>] worker_thread+0x240/0x317
>[  158.026302]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[  158.027871]  [<c1048e4d>] kthread+0xaa/0xaf
>[  158.029403]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[  158.030930]  [<c1060000>] ? nsec_low+0x24/0x33
>[  158.032446]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[  158.033967]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[  158.035488] Code: 53 66 66 66 66 90 89 c3 64 8b 35 10 d0 1d c3 8d 76 00 0f ae e8 0f 31 89 c1 8d 76 00 0f ae e8 0f 31 89 c2 29 ca 39 da 73 15 f3 90 <64> 8b 15 10 d0 1d c3 39 d6 74 e3 29 c1 89 d6 01 cb eb d1 5b 5e
>[  158.040626] NMI backtrace for cpu 5
>[  158.042230] CPU: 5 PID: 1017 Comm: kworker/5:1 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.043901] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.045589] task: f4988000 ti: f4ad0000 task.ti: f4ad0000
>[  158.047242] EIP: 0060:[<c13183cb>] EFLAGS: 00000002 CPU: 5
>[  158.048892] EIP is at delay_tsc+0x1b/0x46
>[  158.050544] EAX: d1004ed4 EBX: 00000001 ECX: d1004e84 EDX: 000000a5
>[  158.052196] ESI: 00000005 EDI: 00000000 EBP: f4ad1a80 ESP: f4ad1a78
>[  158.053857]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[  158.055531] CR0: 80050033 CR2: 00000014 CR3: 31084000 CR4: 000407d0
>[  158.057188] Stack:
>[  158.058833]  f56f85c0 c9494fa1 f4ad1a88 c1318344 f4ad1aa4 c1069257 ca2fc400 00000000
>[  158.060768]  f56f85c0 00000005 f56f85c0 f4ad1ac0 c176eed4 00000000 00000001 00000000
>[  158.065633]  c176b388 f4988000 f4ad1b34 c176b388 c31e35c0 c31e35c0 00000000 00000577
>[  158.067592] Call Trace:
>[  158.069310]  [<c1318344>] __delay+0xe/0x10
>[  158.071031]  [<c1069257>] do_raw_spin_lock+0xae/0x107
>[  158.072762]  [<c176eed4>] _raw_spin_lock_irq+0x2d/0x35
>[  158.074499]  [<c176b388>] ? __schedule+0xb0/0x788
>[  158.076235]  [<c176b388>] __schedule+0xb0/0x788
>[  158.077966]  [<c107286f>] ? vprintk_emit+0x49d/0x4b0
>[  158.079700]  [<c1766244>] ? printk+0x1c/0x1e
>[  158.081422]  [<c176babb>] schedule+0x5b/0x5d
>[  158.083134]  [<c1036017>] do_exit+0xcd/0x7d5
>[  158.084841]  [<c1073564>] ? kmsg_dump+0xd2/0xd9
>[  158.086547]  [<c1004722>] oops_end+0x93/0x9b
>[  158.088247]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  158.089949]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  158.091665]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.093386]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  158.095110]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  158.096827]  [<c1062c23>] ? cpuacct_charge+0x6a/0x72
>[  158.098546]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  158.100269]  [<c1054276>] ? sched_clock_cpu+0x19/0xd9
>[  158.101989]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.103710]  [<c102df0d>] do_page_fault+0xb/0xd
>[  158.105424]  [<c17704ff>] error_code+0x5f/0x64
>[  158.107141]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.108861]  [<c10492dc>] ? kthread_data+0xf/0x13
>[  158.110578]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[  158.112299]  [<c176b3f9>] __schedule+0x121/0x788
>[  158.114020]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  158.115743]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[  158.117461]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[  158.119176]  [<c176babb>] schedule+0x5b/0x5d
>[  158.120883]  [<c10366d3>] do_exit+0x789/0x7d5
>[  158.122584]  [<c1004722>] oops_end+0x93/0x9b
>[  158.124278]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  158.125968]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  158.127665]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.129367]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  158.131068]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  158.132771]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  158.134466]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  158.136147]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.137828]  [<c102df0d>] do_page_fault+0xb/0xd
>[  158.139504]  [<c17704ff>] error_code+0x5f/0x64
>[  158.141175]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.142849]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[  158.144540]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[  158.146232]  [<c104545e>] process_one_work+0x1e0/0x37e
>[  158.147919]  [<c1045c5e>] worker_thread+0x240/0x317
>[  158.149546]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[  158.151109]  [<c1048e4d>] kthread+0xaa/0xaf
>[  158.152664]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[  158.154199]  [<c1060000>] ? nsec_low+0x24/0x33
>[  158.155701]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[  158.157199]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[  158.158697] Code: 00 6b c0 14 f7 e2 8d 42 01 e8 88 ff ff ff 5d c3 55 89 e5 56 53 66 66 66 66 90 89 c3 64 8b 35 10 d0 1d c3 8d 76 00 0f ae e8 0f 31 <89> c1 8d 76 00 0f ae e8 0f 31 89 c2 29 ca 39 da 73 15 f3 90 64
>[  158.163759] NMI backtrace for cpu 0
>[  158.165364] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.167042] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.168694] task: c1ba9880 ti: c1b9c000 task.ti: c1b9c000
>[  158.170361] EIP: 0060:[<c13183d5>] EFLAGS: 00200002 CPU: 0
>[  158.172017] EIP is at delay_tsc+0x25/0x46
>[  158.173639] EAX: d1004f0e EBX: 00000001 ECX: d1004eea EDX: 000000a5
>[  158.175274] ESI: 00000000 EDI: 00000000 EBP: c1b9de24 ESP: c1b9de1c
>[  158.176913]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[  158.178539] CR0: 80050033 CR2: b7486260 CR3: 31084000 CR4: 000407d0
>[  158.180195] Stack:
>[  158.181814]  f56f85c0 c95bd792 c1b9de2c c1318344 c1b9de48 c1069257 ca2fc400 00000000
>[  158.183644]  f56f85c0 f56f86b0 c31fc018 c1b9de64 c176edcf 00000000 00000001 00000000
>[  158.185504]  c105bea8 00000005 c1b9deb0 c105bea8 00000001 00000000 00000000 389fd980
>[  158.187361] Call Trace:
>[  158.189040]  [<c1318344>] __delay+0xe/0x10
>[  158.190762]  [<c1069257>] do_raw_spin_lock+0xae/0x107
>[  158.192491]  [<c176edcf>] _raw_spin_lock+0x27/0x2f
>[  158.194222]  [<c105bea8>] ? sched_rt_period_timer+0xc0/0x268
>[  158.195967]  [<c105bea8>] sched_rt_period_timer+0xc0/0x268
>[  158.197718]  [<c105bde8>] ? sched_rt_rq_enqueue+0x66/0x66
>[  158.199463]  [<c107e5e3>] __run_hrtimer+0x93/0x14c
>[  158.201199]  [<c107ed0f>] hrtimer_interrupt+0xf7/0x1ef
>[  158.202937]  [<c10248b3>] local_apic_timer_interrupt+0x46/0x4b
>[  158.204678]  [<c1024c2a>] smp_apic_timer_interrupt+0x33/0x42
>[  158.206424]  [<c17700ae>] apic_timer_interrupt+0x32/0x38
>[  158.208171]  [<c168f31d>] ? poll_idle+0x6a/0x77
>[  158.209914]  [<c168ee2a>] cpuidle_enter_state+0x50/0x124
>[  158.211665]  [<c168efb2>] cpuidle_enter+0x14/0x17
>[  158.213402]  [<c105f5a4>] cpu_startup_entry+0x18d/0x28d
>[  158.215150]  [<c176253b>] rest_init+0x97/0x9c
>[  158.216885]  [<c1c2fa89>] start_kernel+0x39c/0x3a1
>[  158.218627]  [<c1c2f2ab>] i386_start_kernel+0x79/0x7d
>[  158.220367] Code: 88 ff ff ff 5d c3 55 89 e5 56 53 66 66 66 66 90 89 c3 64 8b 35 10 d0 1d c3 8d 76 00 0f ae e8 0f 31 89 c1 8d 76 00 0f ae e8 0f 31 <89> c2 29 ca 39 da 73 15 f3 90 64 8b 15 10 d0 1d c3 39 d6 74 e3
>[  158.228600] NMI backtrace for cpu 4
>[  158.230535] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.232539] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.234527] task: f51d6130 ti: f51cc000 task.ti: f51cc000
>[  158.236551] EIP: 0060:[<c10223bf>] EFLAGS: 00200046 CPU: 4
>[  158.238585] EIP is at acpi_processor_ffh_cstate_enter+0x8e/0xc3
>[  158.240611] EAX: 00000010 EBX: 00000010 ECX: 00000001 EDX: 00000000
>[  158.242675] ESI: 00000001 EDI: f4b7b060 EBP: f51cdf38 ESP: f51cdf30
>[  158.244727]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[  158.246768] CR0: 80050033 CR2: b657af70 CR3: 33228000 CR4: 000407d0
>[  158.248841] Stack:
>[  158.250898]  f4757118 f4757080 f51cdf50 c137e640 00000002 c1bdab28 c1bdabd0 f4b7b060
>[  158.253145]  f51cdf78 c168ee2a c1bdab28 f4b7b060 bedd648d 00000024 c1bdabd0 c1bdab28
>[  158.255407]  f51cdfec c1bdab28 f51cdf84 c168efb2 f4b7b060 f51cdfa8 c105f5a4 f51cdfa0
>[  158.257685] Call Trace:
>[  158.259812]  [<c137e640>] acpi_idle_enter_simple+0x92/0xce
>[  158.261965]  [<c168ee2a>] cpuidle_enter_state+0x50/0x124
>[  158.264117]  [<c168efb2>] cpuidle_enter+0x14/0x17
>[  158.266245]  [<c105f5a4>] cpu_startup_entry+0x18d/0x28d
>[  158.268370]  [<c10236c4>] start_secondary+0x190/0x195
>[  158.270491] Code: 31 d2 64 a1 e8 d6 1d c3 89 d1 2d e4 1f 00 00 0f 01 c8 64 a1 e8 d6 1d c3 2d ec 1f 00 00 8b 40 08 a8 08 75 07 89 d8 89 f1 0f 01 c9 <64> a1 e8 d6 1d c3 f0 80 a0 1e e0 ff ff df 0f ae f0 66 90 64 a1
>[  158.276012] NMI backtrace for cpu 1
>[  158.278226] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.280493] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.282807] task: f51ba6e0 ti: f51c4000 task.ti: f51c4000
>[  158.285086] EIP: 0060:[<c10223bf>] EFLAGS: 00200046 CPU: 1
>[  158.287311] EIP is at acpi_processor_ffh_cstate_enter+0x8e/0xc3
>[  158.289525] EAX: 00000020 EBX: 00000020 ECX: 00000001 EDX: 00000000
>[  158.291726] ESI: 00000001 EDI: c1bdab28 EBP: f51c5f2c ESP: f51c5f24
>[  158.293881]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[  158.296031] CR0: 80050033 CR2: b76cf9a0 CR3: 031ef000 CR4: 000407d0
>[  158.298150] Stack:
>[  158.300278]  f475057c f47504b0 f51c5f50 c137e822 000000a5 00000003 f4b7b870 00000018
>[  158.302600]  c1bdab28 c1bdac1c f4b7b870 f51c5f78 c168ee2a c1bdab28 f4b7b870 bedd65da
>[  158.304921]  00000024 c1bdac1c c1bdab28 f51c5fec c1bdab28 f51c5f84 c168efb2 f4b7b870
>[  158.307253] Call Trace:
>[  158.309417]  [<c137e822>] acpi_idle_enter_bm+0x1a6/0x214
>[  158.311575]  [<c168ee2a>] cpuidle_enter_state+0x50/0x124
>[  158.313723]  [<c168efb2>] cpuidle_enter+0x14/0x17
>[  158.315842]  [<c105f5a4>] cpu_startup_entry+0x18d/0x28d
>[  158.317954]  [<c10236c4>] start_secondary+0x190/0x195
>[  158.320060] Code: 31 d2 64 a1 e8 d6 1d c3 89 d1 2d e4 1f 00 00 0f 01 c8 64 a1 e8 d6 1d c3 2d ec 1f 00 00 8b 40 08 a8 08 75 07 89 d8 89 f1 0f 01 c9 <64> a1 e8 d6 1d c3 f0 80 a0 1e e0 ff ff df 0f ae f0 66 90 64 a1
>[  158.328436] NMI backtrace for cpu 7
>[  158.330586] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.332783] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.335010] task: f51d26e0 ti: f51da000 task.ti: f51da000
>[  158.337226] EIP: 0060:[<c10223bf>] EFLAGS: 00200046 CPU: 7
>[  158.339443] EIP is at acpi_processor_ffh_cstate_enter+0x8e/0xc3
>[  158.341691] EAX: 00000000 EBX: 00000000 ECX: 00000001 EDX: 00000000
>[  158.343955] ESI: 00000001 EDI: 00000001 EBP: f51dbf3c ESP: f51dbf34
>[  158.346188]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[  158.348440] CR0: 80050033 CR2: b76f9000 CR3: 33800000 CR4: 000407d0
>[  158.350681] Stack:
>[  158.352932]  f4751324 f47512c0 f51dbf50 c137e57d c1bdab28 c1bdab84 f4b7a850 f51dbf78
>[  158.355373]  c168ee2a c1bdab28 f4b7a850 bedd6828 00000024 c1bdab84 c1bdab28 f51dbfec
>[  158.357828]  c1bdab28 f51dbf84 c168efb2 f4b7a850 f51dbfa8 c105f5a4 f51dbfa0 f51dbfec
>[  158.360294] Call Trace:
>[  158.362606]  [<c137e57d>] acpi_idle_enter_c1+0x48/0x79
>[  158.364926]  [<c168ee2a>] cpuidle_enter_state+0x50/0x124
>[  158.367245]  [<c168efb2>] cpuidle_enter+0x14/0x17
>[  158.369497]  [<c105f5a4>] cpu_startup_entry+0x18d/0x28d
>[  158.371684]  [<c10236c4>] start_secondary+0x190/0x195
>[  158.373864] Code: 31 d2 64 a1 e8 d6 1d c3 89 d1 2d e4 1f 00 00 0f 01 c8 64 a1 e8 d6 1d c3 2d ec 1f 00 00 8b 40 08 a8 08 75 07 89 d8 89 f1 0f 01 c9 <64> a1 e8 d6 1d c3 f0 80 a0 1e e0 ff ff df 0f ae f0 66 90 64 a1
>[  158.379446] NMI backtrace for cpu 3
>[  158.381979] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.384576] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.387199] task: f51d0000 ti: f51ca000 task.ti: f51ca000
>[  158.389798] EIP: 0060:[<c10223bf>] EFLAGS: 00200046 CPU: 3
>[  158.392261] EIP is at acpi_processor_ffh_cstate_enter+0x8e/0xc3
>[  158.394005] EAX: 00000020 EBX: 00000020 ECX: 00000001 EDX: 00000000
>[  158.395745] ESI: 00000001 EDI: c1bdab28 EBP: f51cbf2c ESP: f51cbf24
>[  158.397441]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[  158.399159] CR0: 80050033 CR2: b76fb000 CR3: 031ef000 CR4: 000407d0
>[  158.400845] Stack:
>[  158.402542]  f4750a2c f4750960 f51cbf50 c137e822 000000a5 00000003 f4b7b310 00000018
>[  158.404370]  c1bdab28 c1bdac1c f4b7b310 f51cbf78 c168ee2a c1bdab28 f4b7b310 bedd6716
>[  158.406201]  00000024 c1bdac1c c1bdab28 f51cbfec c1bdab28 f51cbf84 c168efb2 f4b7b310
>[  158.408045] Call Trace:
>[  158.409782]  [<c137e822>] acpi_idle_enter_bm+0x1a6/0x214
>[  158.411501]  [<c168ee2a>] cpuidle_enter_state+0x50/0x124
>[  158.413215]  [<c168efb2>] cpuidle_enter+0x14/0x17
>[  158.414878]  [<c105f5a4>] cpu_startup_entry+0x18d/0x28d
>[  158.416491]  [<c10236c4>] start_secondary+0x190/0x195
>[  158.418095] Code: 31 d2 64 a1 e8 d6 1d c3 89 d1 2d e4 1f 00 00 0f 01 c8 64 a1 e8 d6 1d c3 2d ec 1f 00 00 8b 40 08 a8 08 75 07 89 d8 89 f1 0f 01 c9 <64> a1 e8 d6 1d c3 f0 80 a0 1e e0 ff ff df 0f ae f0 66 90 64 a1
>[  158.424135] NMI backtrace for cpu 2
>[  158.426406] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.428730] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.431077] task: f51bba50 ti: f51c8000 task.ti: f51c8000
>[  158.433404] EIP: 0060:[<c10223bf>] EFLAGS: 00200046 CPU: 2
>[  158.435732] EIP is at acpi_processor_ffh_cstate_enter+0x8e/0xc3
>[  158.438084] EAX: 00000020 EBX: 00000020 ECX: 00000001 EDX: 00000000
>[  158.440432] ESI: 00000001 EDI: c1bdab28 EBP: f51c9f2c ESP: f51c9f24
>[  158.442757]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>[  158.445084] CR0: 80050033 CR2: b64e3360 CR3: 031ef000 CR4: 000407d0
>[  158.447391] Stack:
>[  158.449693]  f47575fc f4757530 f51c9f50 c137e822 000000a4 00000003 f4b7b5c0 00000018
>[  158.452172]  c1bdab28 c1bdac1c f4b7b5c0 f51c9f78 c168ee2a c1bdab28 f4b7b5c0 5db59e9c
>[  158.454657]  00000024 c1bdac1c c1bdab28 f51c9fec c1bdab28 f51c9f84 c168efb2 f4b7b5c0
>[  158.457152] Call Trace:
>[  158.459502]  [<c137e822>] acpi_idle_enter_bm+0x1a6/0x214
>[  158.461858]  [<c168ee2a>] cpuidle_enter_state+0x50/0x124
>[  158.464214]  [<c168efb2>] cpuidle_enter+0x14/0x17
>[  158.466499]  [<c105f5a4>] cpu_startup_entry+0x18d/0x28d
>[  158.468716]  [<c10236c4>] start_secondary+0x190/0x195
>[  158.470929] Code: 31 d2 64 a1 e8 d6 1d c3 89 d1 2d e4 1f 00 00 0f 01 c8 64 a1 e8 d6 1d c3 2d ec 1f 00 00 8b 40 08 a8 08 75 07 89 d8 89 f1 0f 01 c9 <64> a1 e8 d6 1d c3 f0 80 a0 1e e0 ff ff df 0f ae f0 66 90 64 a1
>[  158.561546] BUG: spinlock lockup suspected on CPU#5, kworker/5:1/1017
>[  158.563234]  lock: 0xf56f85c0, .magic: dead4ead, .owner: kworker/5:1/1017, .owner_cpu: 5
>[  158.564971] CPU: 5 PID: 1017 Comm: kworker/5:1 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.566733] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.568461]  00000001 00000000 f4ad1a60 c1769120 f4988000 f4ad1a88 c17660f4 c1a8140a
>[  158.570374]  f56f85c0 dead4ead f49883cc 000003f9 00000005 f56f85c0 ca2fc400 f4ad1aa4
>[  158.572281]  c1069272 ca2fc400 00000000 f56f85c0 00000005 f56f85c0 f4ad1ac0 c176eed4
>[  158.572501] BUG: spinlock lockup suspected on CPU#0, swapper/0/0
>[  158.572504]  lock: 0xf56f85c0, .magic: dead4ead, .owner: kworker/5:1/1017, .owner_cpu: 5
>[  158.577766] Call Trace:
>[  158.579515]  [<c1769120>] dump_stack+0x41/0x52
>[  158.581250]  [<c17660f4>] spin_dump+0x78/0x82
>[  158.582975]  [<c1069272>] do_raw_spin_lock+0xc9/0x107
>[  158.584698]  [<c176eed4>] _raw_spin_lock_irq+0x2d/0x35
>[  158.586422]  [<c176b388>] ? __schedule+0xb0/0x788
>[  158.588147]  [<c176b388>] __schedule+0xb0/0x788
>[  158.589870]  [<c107286f>] ? vprintk_emit+0x49d/0x4b0
>[  158.591592]  [<c1766244>] ? printk+0x1c/0x1e
>[  158.593261]  [<c176babb>] schedule+0x5b/0x5d
>[  158.594885]  [<c1036017>] do_exit+0xcd/0x7d5
>[  158.596496]  [<c1073564>] ? kmsg_dump+0xd2/0xd9
>[  158.598083]  [<c1004722>] oops_end+0x93/0x9b
>[  158.599645]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  158.601201]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  158.602753]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.604307]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  158.605856]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  158.607407]  [<c1062c23>] ? cpuacct_charge+0x6a/0x72
>[  158.608941]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  158.610477]  [<c1054276>] ? sched_clock_cpu+0x19/0xd9
>[  158.612002]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.613512]  [<c102df0d>] do_page_fault+0xb/0xd
>[  158.615005]  [<c17704ff>] error_code+0x5f/0x64
>[  158.616489]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.617964]  [<c10492dc>] ? kthread_data+0xf/0x13
>[  158.619440]  [<c1045f6f>] ? wq_worker_sleeping+0x10/0x76
>[  158.620910]  [<c176b3f9>] __schedule+0x121/0x788
>[  158.622386]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  158.623860]  [<c12fcfa9>] ? put_io_context+0x56/0x6f
>[  158.625336]  [<c12fd04e>] ? put_io_context_active+0x8c/0x92
>[  158.626759]  [<c176babb>] schedule+0x5b/0x5d
>[  158.628132]  [<c10366d3>] do_exit+0x789/0x7d5
>[  158.629496]  [<c1004722>] oops_end+0x93/0x9b
>[  158.630836]  [<c1764ec6>] no_context+0x1c8/0x1d2
>[  158.632156]  [<c17650fd>] __bad_area_nosemaphore+0x109/0x113
>[  158.633470]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.634777]  [<c1765119>] bad_area_nosemaphore+0x12/0x15
>[  158.636086]  [<c102dc08>] __do_page_fault+0x145/0x43f
>[  158.637392]  [<c105726f>] ? dequeue_task_fair+0x7e0/0x7e8
>[  158.638697]  [<c1065813>] ? trace_hardirqs_on+0xb/0xd
>[  158.639994]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.641283]  [<c102df0d>] do_page_fault+0xb/0xd
>[  158.642561]  [<c17704ff>] error_code+0x5f/0x64
>[  158.643827]  [<c102df02>] ? __do_page_fault+0x43f/0x43f
>[  158.645086]  [<c10fde8d>] ? mmu_notifier_unregister+0x18/0xd8
>[  158.646355]  [<f821fbae>] __i915_mm_struct_free__worker+0x22/0x45 [i915]
>[  158.647609]  [<c104545e>] process_one_work+0x1e0/0x37e
>[  158.648859]  [<c1045c5e>] worker_thread+0x240/0x317
>[  158.650107]  [<c1045a1e>] ? cancel_delayed_work_sync+0x14/0x14
>[  158.651365]  [<c1048e4d>] kthread+0xaa/0xaf
>[  158.652620]  [<c176efd6>] ? _raw_spin_unlock_irq+0x27/0x2b
>[  158.653878]  [<c1060000>] ? nsec_low+0x24/0x33
>[  158.655091]  [<c176f6a1>] ret_from_kernel_thread+0x21/0x30
>[  158.656256]  [<c1048da3>] ? kthread_create_on_node+0x119/0x119
>[  158.657422] sending NMI to all CPUs:
>[  158.657423] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D W      3.17.0-rc6_kcloud_338283_20140926+ #58
>[  158.657424] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
>[  158.657426]  00000000 00000000 c1b9de04 c1769120 f4988000 c1b9de2c c17660f4 c1a8140a
>[  158.657429]  f56f85c0 dead4ead f49883cc 000003f9 00000005 f56f85c0 ca2fc400 c1b9de48
>[  158.657431]  c1069272 ca2fc400 00000000 f56f85c0 f56f86b0 c31fc018 c1b9de64 c176edcf
>[  158.657431] Call Trace:
>[  158.657433]  [<c1769120>] dump_stack+0x41/0x52
>[  158.657435]  [<c17660f4>] spin_dump+0x78/0x82
>[  158.657436]  [<c1069272>] do_raw_spin_lock+0xc9/0x107
>[  158.657437]  [<c176edcf>] _raw_spin_lock+0x27/0x2f
>[  158.657439]  [<c105bea8>] ? sched_rt_period_timer+0xc0/0x268
>[  158.657441]  [<c105bea8>] sched_rt_period_timer+0xc0/0x268
>[  158.657443]  [<c105bde8>] ? sched_rt_rq_enqueue+0x66/0x66
>[  158.657444]  [<c107e5e3>] __run_hrtimer+0x93/0x14c
>[  158.657445]  [<c107ed0f>] hrtimer_interrupt+0xf7/0x1ef
>[  158.657447]  [<c10248b3>] local_apic_timer_interrupt+0x46/0x4b
>[  158.657448]  [<c1024c2a>] smp_apic_timer_interrupt+0x33/0x42
>[  158.657449]  [<c17700ae>] apic_timer_interrupt+0x32/0x38
>[  158.657451]  [<c168f31d>] ? poll_idle+0x6a/0x77

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Attachments on bug 84207: 106699 | 106898

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