[ 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: [] 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:[] 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] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 76.541663] [] process_one_work+0x1e0/0x37e [ 76.542540] [] worker_thread+0x240/0x317 [ 76.543425] [] ? cancel_delayed_work_sync+0x14/0x14 [ 76.544332] [] kthread+0xaa/0xaf [ 76.545247] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 76.546181] [] ? nsec_low+0x24/0x33 [ 76.547125] [] ret_from_kernel_thread+0x21/0x30 [ 76.548088] [] ? 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: [] 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: [] 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:[] 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] [] ? wq_worker_sleeping+0x10/0x76 [ 76.619373] [] __schedule+0x121/0x788 [ 76.620059] [drm:i915_gem_open] [ 76.622538] [] ? trace_hardirqs_on+0xb/0xd [ 76.624120] [] ? put_io_context+0x56/0x6f [ 76.624258] [drm:i915_gem_open] [ 76.627278] [] ? put_io_context_active+0x8c/0x92 [ 76.628343] [drm:i915_gem_open] [ 76.630428] [] schedule+0x5b/0x5d [ 76.631992] [] do_exit+0x789/0x7d5 [ 76.632449] [drm:i915_gem_open] [ 76.635080] [] oops_end+0x93/0x9b [ 76.636614] [] no_context+0x1c8/0x1d2 [ 76.636617] [drm:i915_gem_open] [ 76.639637] [] __bad_area_nosemaphore+0x109/0x113 [ 76.640753] [drm:i915_gem_open] [ 76.642657] [] ? __do_page_fault+0x43f/0x43f [ 76.644177] [] bad_area_nosemaphore+0x12/0x15 [ 76.644869] [drm:i915_gem_open] [ 76.647181] [] __do_page_fault+0x145/0x43f [ 76.648692] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 76.649009] [drm:i915_gem_open] [ 76.651694] [] ? trace_hardirqs_on_caller+0x14b/0x166 [ 76.653160] [] ? __do_page_fault+0x43f/0x43f [ 76.653167] [drm:i915_gem_open] [ 76.655970] [] do_page_fault+0xb/0xd [ 76.657302] [drm:i915_gem_open] [ 76.658737] [] error_code+0x5f/0x64 [ 76.660123] [] ? __do_page_fault+0x43f/0x43f [ 76.661432] [drm:i915_gem_open] [ 76.662859] [] ? mmu_notifier_unregister+0x18/0xd8 [ 76.664257] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 76.665617] [drm:i915_gem_open] [ 76.667034] [] process_one_work+0x1e0/0x37e [ 76.668401] [] worker_thread+0x240/0x317 [ 76.669718] [] ? cancel_delayed_work_sync+0x14/0x14 [ 76.669769] [drm:i915_gem_open] [ 76.672290] [] kthread+0xaa/0xaf [ 76.673578] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 76.673848] [drm:i915_gem_open] [ 76.676096] [] ? nsec_low+0x24/0x33 [ 76.677330] [] ret_from_kernel_thread+0x21/0x30 [ 76.677983] [drm:i915_gem_open] [ 76.679756] [] ? 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: [] 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: [] 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:[] 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] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 76.810536] [drm:i915_gem_open] [ 76.814248] [] process_one_work+0x1e0/0x37e [ 76.816178] [] worker_thread+0x240/0x317 [ 76.816755] [drm:i915_gem_open] [ 76.820325] [] ? cancel_delayed_work_sync+0x14/0x14 [ 76.822313] [] kthread+0xaa/0xaf [ 76.822983] [drm:i915_gem_open] [ 76.826454] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 76.828498] [] ? nsec_low+0x24/0x33 [ 76.829151] [drm:i915_gem_open] [ 76.832641] [] ret_from_kernel_thread+0x21/0x30 [ 76.834683] [] ? 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: [] 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: [] 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:[] 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] [] ? wq_worker_sleeping+0x10/0x76 [ 76.946843] [drm:i915_gem_open] [ 76.951418] [] __schedule+0x121/0x788 [ 76.953075] [drm:i915_gem_open] [ 76.956078] [] ? trace_hardirqs_on+0xb/0xd [ 76.958303] [] ? put_io_context+0x56/0x6f [ 76.959355] [drm:i915_gem_open] [ 76.963045] [] ? put_io_context_active+0x8c/0x92 [ 76.965293] [] schedule+0x5b/0x5d [ 76.965571] [drm:i915_gem_open] [ 76.970018] [] do_exit+0x789/0x7d5 [ 76.971745] [drm:i915_gem_open] [ 76.974641] [] oops_end+0x93/0x9b [ 76.976790] [] no_context+0x1c8/0x1d2 [ 76.977953] [drm:i915_gem_open] [ 76.981502] [] __bad_area_nosemaphore+0x109/0x113 [ 76.983741] [] ? __do_page_fault+0x43f/0x43f [ 76.984170] [drm:i915_gem_open] [ 76.988397] [] bad_area_nosemaphore+0x12/0x15 [ 76.990366] [drm:i915_gem_open] [ 76.992858] [] __do_page_fault+0x145/0x43f [ 76.995078] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 76.996494] [drm:i915_gem_open] [ 76.999461] [] ? trace_hardirqs_on+0xb/0xd [ 77.001502] [] ? __do_page_fault+0x43f/0x43f [ 77.002730] [drm:i915_gem_open] [ 77.005916] [] do_page_fault+0xb/0xd [ 77.007927] [] error_code+0x5f/0x64 [ 77.008984] [drm:i915_gem_open] [ 77.012326] [] ? __do_page_fault+0x43f/0x43f [ 77.014348] [] ? mmu_notifier_unregister+0x18/0xd8 [ 77.015153] [drm:i915_gem_open] [ 77.018753] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 77.020814] [] process_one_work+0x1e0/0x37e [ 77.021351] [drm:i915_gem_open] [ 77.025046] [] worker_thread+0x240/0x317 [ 77.026962] [] ? cancel_delayed_work_sync+0x14/0x14 [ 77.027582] [drm:i915_gem_open] [ 77.031092] [] kthread+0xaa/0xaf [ 77.032937] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 77.033796] [drm:i915_gem_open] [ 77.036839] [] ? nsec_low+0x24/0x33 [ 77.038657] [] ret_from_kernel_thread+0x21/0x30 [ 77.039935] [drm:i915_gem_open] [ 77.042446] [] ? 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: [] 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] [] dump_stack+0x41/0x52 [ 99.458047] [] warn_slowpath_common+0x66/0x7d [ 99.459545] [] ? watchdog_overflow_callback+0x8b/0x98 [ 99.461053] [] ? restart_watchdog_hrtimer+0x3a/0x3a [ 99.462560] [] warn_slowpath_fmt+0x2b/0x2f [ 99.464063] [] watchdog_overflow_callback+0x8b/0x98 [ 99.465569] [] __perf_event_overflow+0x21b/0x2ec [ 99.467084] [] perf_event_overflow+0x10/0x12 [ 99.468594] [] intel_pmu_handle_irq+0x302/0x37a [ 99.470109] [] ? __lock_acquire+0x707/0x1562 [ 99.471621] [] perf_event_nmi_handler+0x25/0x3e [ 99.473139] [] nmi_handle+0x6c/0x132 [ 99.474651] [] ? nmi_handle+0x127/0x132 [ 99.476162] [] default_do_nmi+0x42/0x154 [ 99.477665] [] do_nmi+0x80/0xd8 [ 99.479165] [] nmi_stack_correct+0x28/0x2d [ 99.480662] [] ? delay_tsc+0x25/0x46 [ 99.482152] [] __delay+0xe/0x10 [ 99.483629] [] do_raw_spin_lock+0xae/0x107 [ 99.485111] [] _raw_spin_lock+0x27/0x2f [ 99.486592] [] ? sched_rt_period_timer+0xc0/0x268 [ 99.488077] [] sched_rt_period_timer+0xc0/0x268 [ 99.489557] [] ? sched_rt_rq_enqueue+0x66/0x66 [ 99.491029] [] __run_hrtimer+0x93/0x14c [ 99.492509] [] hrtimer_interrupt+0xf7/0x1ef [ 99.493988] [] local_apic_timer_interrupt+0x46/0x4b [ 99.495470] [] smp_apic_timer_interrupt+0x33/0x42 [ 99.496949] [] apic_timer_interrupt+0x32/0x38 [ 99.498430] [] ? poll_idle+0x6a/0x77 [ 99.499896] [] cpuidle_enter_state+0x50/0x124 [ 99.501358] [] cpuidle_enter+0x14/0x17 [ 99.502805] [] cpu_startup_entry+0x18d/0x28d [ 99.504253] [] rest_init+0x97/0x9c [ 99.505699] [] start_kernel+0x39c/0x3a1 [ 99.507142] [] 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] [] dump_stack+0x41/0x52 [ 104.128648] [] warn_slowpath_common+0x66/0x7d [ 104.130233] [] ? watchdog_overflow_callback+0x8b/0x98 [ 104.131817] [] ? restart_watchdog_hrtimer+0x3a/0x3a [ 104.133396] [] warn_slowpath_fmt+0x2b/0x2f [ 104.134957] [] watchdog_overflow_callback+0x8b/0x98 [ 104.136510] [] __perf_event_overflow+0x21b/0x2ec [ 104.138025] [] perf_event_overflow+0x10/0x12 [ 104.139500] [] intel_pmu_handle_irq+0x302/0x37a [ 104.140935] [] ? set_track+0x4d/0xac [ 104.142344] [] ? __slab_alloc.constprop.62+0x286/0x2bf [ 104.143742] [] ? trace_hardirqs_off+0xb/0xd [ 104.145126] [] perf_event_nmi_handler+0x25/0x3e [ 104.146505] [] nmi_handle+0x6c/0x132 [ 104.147872] [] default_do_nmi+0x42/0x154 [ 104.149227] [] ? netpoll_start_xmit+0xe4/0x12c [ 104.150580] [] do_nmi+0x80/0xd8 [ 104.151929] [] nmi_stack_correct+0x28/0x2d [ 104.153277] [] ? rtnl_newlink+0x267/0x56b [ 104.154623] [] ? delay_tsc+0x25/0x46 [ 104.155962] [] __delay+0xe/0x10 [ 104.157287] [] do_raw_spin_lock+0xae/0x107 [ 104.158614] [] _raw_spin_lock_irq+0x2d/0x35 [ 104.159943] [] ? __schedule+0xb0/0x788 [ 104.161272] [] __schedule+0xb0/0x788 [ 104.162596] [] ? vprintk_emit+0x49d/0x4b0 [ 104.163915] [] ? printk+0x1c/0x1e [ 104.165230] [] schedule+0x5b/0x5d [ 104.166542] [] do_exit+0xcd/0x7d5 [ 104.167856] [] ? kmsg_dump+0xd2/0xd9 [ 104.169166] [] oops_end+0x93/0x9b [ 104.170473] [] no_context+0x1c8/0x1d2 [ 104.171781] [] __bad_area_nosemaphore+0x109/0x113 [ 104.173097] [] ? __do_page_fault+0x43f/0x43f [ 104.174416] [] bad_area_nosemaphore+0x12/0x15 [ 104.175736] [] __do_page_fault+0x145/0x43f [ 104.177052] [] ? cpuacct_charge+0x6a/0x72 [ 104.178368] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 104.179687] [] ? sched_clock_cpu+0x19/0xd9 [ 104.180998] [] ? __do_page_fault+0x43f/0x43f [ 104.182312] [] do_page_fault+0xb/0xd [ 104.183620] [] error_code+0x5f/0x64 [ 104.184925] [] ? __do_page_fault+0x43f/0x43f [ 104.186237] [] ? kthread_data+0xf/0x13 [ 104.187541] [] ? wq_worker_sleeping+0x10/0x76 [ 104.188848] [] __schedule+0x121/0x788 [ 104.190157] [] ? trace_hardirqs_on+0xb/0xd [ 104.191472] [] ? put_io_context+0x56/0x6f [ 104.192780] [] ? put_io_context_active+0x8c/0x92 [ 104.194084] [] schedule+0x5b/0x5d [ 104.195392] [] do_exit+0x789/0x7d5 [ 104.196695] [] oops_end+0x93/0x9b [ 104.197993] [] no_context+0x1c8/0x1d2 [ 104.199277] [] __bad_area_nosemaphore+0x109/0x113 [ 104.200547] [] ? __do_page_fault+0x43f/0x43f [ 104.201783] [] bad_area_nosemaphore+0x12/0x15 [ 104.202974] [] __do_page_fault+0x145/0x43f [ 104.204127] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 104.205260] [] ? trace_hardirqs_on_caller+0x14b/0x166 [ 104.206374] [] ? __do_page_fault+0x43f/0x43f [ 104.207473] [] do_page_fault+0xb/0xd [ 104.208557] [] error_code+0x5f/0x64 [ 104.209629] [] ? __do_page_fault+0x43f/0x43f [ 104.210687] [] ? mmu_notifier_unregister+0x18/0xd8 [ 104.211767] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 104.212842] [] process_one_work+0x1e0/0x37e [ 104.213913] [] worker_thread+0x240/0x317 [ 104.214977] [] ? cancel_delayed_work_sync+0x14/0x14 [ 104.216047] [] kthread+0xaa/0xaf [ 104.217109] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 104.218175] [] ? nsec_low+0x24/0x33 [ 104.219237] [] ret_from_kernel_thread+0x21/0x30 [ 104.220306] [] ? 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] [] dump_stack+0x41/0x52 [ 104.681247] [] warn_slowpath_common+0x66/0x7d [ 104.682586] [] ? watchdog_overflow_callback+0x8b/0x98 [ 104.683925] [] ? restart_watchdog_hrtimer+0x3a/0x3a [ 104.685270] [] warn_slowpath_fmt+0x2b/0x2f [ 104.686622] [] watchdog_overflow_callback+0x8b/0x98 [ 104.687982] [] __perf_event_overflow+0x21b/0x2ec [ 104.689345] [] perf_event_overflow+0x10/0x12 [ 104.690706] [] intel_pmu_handle_irq+0x302/0x37a [ 104.692074] [] ? set_track+0x4d/0xac [ 104.693438] [] ? __slab_alloc.constprop.62+0x286/0x2bf [ 104.694810] [] ? trace_hardirqs_off+0xb/0xd [ 104.696180] [] perf_event_nmi_handler+0x25/0x3e [ 104.697556] [] nmi_handle+0x6c/0x132 [ 104.698928] [] default_do_nmi+0x42/0x154 [ 104.700296] [] ? netpoll_start_xmit+0xe4/0x12c [ 104.701672] [] do_nmi+0x80/0xd8 [ 104.703044] [] nmi_stack_correct+0x28/0x2d [ 104.704418] [] ? rtnl_newlink+0x267/0x56b [ 104.705796] [] ? delay_tsc+0x25/0x46 [ 104.707168] [] __delay+0xe/0x10 [ 104.708534] [] do_raw_spin_lock+0xae/0x107 [ 104.709903] [] _raw_spin_lock_irq+0x2d/0x35 [ 104.711270] [] ? __schedule+0xb0/0x788 [ 104.712638] [] __schedule+0xb0/0x788 [ 104.714002] [] ? vprintk_emit+0x49d/0x4b0 [ 104.715373] [] ? printk+0x1c/0x1e [ 104.716735] [] schedule+0x5b/0x5d [ 104.718093] [] do_exit+0xcd/0x7d5 [ 104.719452] [] ? kmsg_dump+0xd2/0xd9 [ 104.720813] [] oops_end+0x93/0x9b [ 104.722166] [] no_context+0x1c8/0x1d2 [ 104.723517] [] __bad_area_nosemaphore+0x109/0x113 [ 104.724873] [] ? __do_page_fault+0x43f/0x43f [ 104.726224] [] bad_area_nosemaphore+0x12/0x15 [ 104.727580] [] __do_page_fault+0x145/0x43f [ 104.728932] [] ? cpuacct_charge+0x6a/0x72 [ 104.730280] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 104.731634] [] ? sched_clock_cpu+0x19/0xd9 [ 104.732983] [] ? __do_page_fault+0x43f/0x43f [ 104.734331] [] do_page_fault+0xb/0xd [ 104.735678] [] error_code+0x5f/0x64 [ 104.737012] [] ? __do_page_fault+0x43f/0x43f [ 104.738341] [] ? kthread_data+0xf/0x13 [ 104.739674] [] ? wq_worker_sleeping+0x10/0x76 [ 104.740998] [] __schedule+0x121/0x788 [ 104.742323] [] ? trace_hardirqs_on+0xb/0xd [ 104.743648] [] ? put_io_context+0x56/0x6f [ 104.744968] [] ? put_io_context_active+0x8c/0x92 [ 104.746289] [] schedule+0x5b/0x5d [ 104.747598] [] do_exit+0x789/0x7d5 [ 104.748898] [] oops_end+0x93/0x9b [ 104.750194] [] no_context+0x1c8/0x1d2 [ 104.751469] [] __bad_area_nosemaphore+0x109/0x113 [ 104.752733] [] ? __do_page_fault+0x43f/0x43f [ 104.753959] [] bad_area_nosemaphore+0x12/0x15 [ 104.755146] [] __do_page_fault+0x145/0x43f [ 104.756294] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 104.757421] [] ? trace_hardirqs_on+0xb/0xd [ 104.758523] [] ? __do_page_fault+0x43f/0x43f [ 104.759610] [] do_page_fault+0xb/0xd [ 104.760682] [] error_code+0x5f/0x64 [ 104.761739] [] ? __do_page_fault+0x43f/0x43f [ 104.762787] [] ? mmu_notifier_unregister+0x18/0xd8 [ 104.763854] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 104.764924] [] process_one_work+0x1e0/0x37e [ 104.765986] [] worker_thread+0x240/0x317 [ 104.767042] [] ? cancel_delayed_work_sync+0x14/0x14 [ 104.768103] [] kthread+0xaa/0xaf [ 104.769158] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 104.770221] [] ? nsec_low+0x24/0x33 [ 104.771279] [] ret_from_kernel_thread+0x21/0x30 [ 104.772346] [] ? 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] [] ? __do_page_fault+0x43f/0x43f [ 140.295930] [] ? kthread_data+0xf/0x13 [ 140.297536] [] ? wq_worker_sleeping+0x10/0x76 [ 140.299150] [] ? __schedule+0x121/0x788 [ 140.300763] [] ? trace_hardirqs_on+0xb/0xd [ 140.302377] [] ? put_io_context+0x56/0x6f [ 140.303987] [] ? put_io_context_active+0x8c/0x92 [ 140.305602] [] ? schedule+0x5b/0x5d [ 140.307212] [] ? do_exit+0x789/0x7d5 [ 140.308818] [] ? oops_end+0x93/0x9b [ 140.310426] [] ? no_context+0x1c8/0x1d2 [ 140.312038] [] ? __bad_area_nosemaphore+0x109/0x113 [ 140.313665] [] ? __do_page_fault+0x43f/0x43f [ 140.315290] [] ? bad_area_nosemaphore+0x12/0x15 [ 140.316924] [] ? __do_page_fault+0x145/0x43f [ 140.318558] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 140.320189] [] ? trace_hardirqs_on_caller+0x14b/0x166 [ 140.321826] [] ? __do_page_fault+0x43f/0x43f [ 140.323459] [] ? do_page_fault+0xb/0xd [ 140.325087] [] ? error_code+0x5f/0x64 [ 140.326713] [] ? __do_page_fault+0x43f/0x43f [ 140.328339] [] ? mmu_notifier_unregister+0x18/0xd8 [ 140.329991] [] ? __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 140.331646] [] ? process_one_work+0x1e0/0x37e [ 140.333304] [] ? worker_thread+0x240/0x317 [ 140.334957] [] ? cancel_delayed_work_sync+0x14/0x14 [ 140.336621] [] ? kthread+0xaa/0xaf [ 140.338275] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 140.339937] [] ? nsec_low+0x24/0x33 [ 140.341594] [] ? ret_from_kernel_thread+0x21/0x30 [ 140.343260] [] ? 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] [] dump_stack+0x41/0x52 [ 157.857734] [] spin_dump+0x78/0x82 [ 157.859030] [] do_raw_spin_lock+0xc9/0x107 [ 157.860330] [] _raw_spin_lock_irq+0x2d/0x35 [ 157.861626] [] ? __schedule+0xb0/0x788 [ 157.862923] [] __schedule+0xb0/0x788 [ 157.864217] [] ? vprintk_emit+0x49d/0x4b0 [ 157.865511] [] ? printk+0x1c/0x1e [ 157.866792] [] schedule+0x5b/0x5d [ 157.868062] [] do_exit+0xcd/0x7d5 [ 157.869329] [] ? kmsg_dump+0xd2/0xd9 [ 157.870592] [] oops_end+0x93/0x9b [ 157.871850] [] no_context+0x1c8/0x1d2 [ 157.873107] [] __bad_area_nosemaphore+0x109/0x113 [ 157.874367] [] ? __do_page_fault+0x43f/0x43f [ 157.875623] [] bad_area_nosemaphore+0x12/0x15 [ 157.876880] [] __do_page_fault+0x145/0x43f [ 157.878131] [] ? cpuacct_charge+0x6a/0x72 [ 157.879352] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 157.880554] [] ? sched_clock_cpu+0x19/0xd9 [ 157.881744] [] ? __do_page_fault+0x43f/0x43f [ 157.882923] [] do_page_fault+0xb/0xd [ 157.884085] [] error_code+0x5f/0x64 [ 157.885240] [] ? __do_page_fault+0x43f/0x43f [ 157.886389] [] ? kthread_data+0xf/0x13 [ 157.887529] [] ? wq_worker_sleeping+0x10/0x76 [ 157.888671] [] __schedule+0x121/0x788 [ 157.889812] [] ? trace_hardirqs_on+0xb/0xd [ 157.890952] [] ? put_io_context+0x56/0x6f [ 157.892089] [] ? put_io_context_active+0x8c/0x92 [ 157.893224] [] schedule+0x5b/0x5d [ 157.894361] [] do_exit+0x789/0x7d5 [ 157.895497] [] oops_end+0x93/0x9b [ 157.896632] [] no_context+0x1c8/0x1d2 [ 157.897768] [] __bad_area_nosemaphore+0x109/0x113 [ 157.898913] [] ? __do_page_fault+0x43f/0x43f [ 157.900059] [] bad_area_nosemaphore+0x12/0x15 [ 157.901203] [] __do_page_fault+0x145/0x43f [ 157.902346] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 157.903490] [] ? trace_hardirqs_on_caller+0x14b/0x166 [ 157.904636] [] ? __do_page_fault+0x43f/0x43f [ 157.905782] [] do_page_fault+0xb/0xd [ 157.906921] [] error_code+0x5f/0x64 [ 157.908061] [] ? __do_page_fault+0x43f/0x43f [ 157.909203] [] ? mmu_notifier_unregister+0x18/0xd8 [ 157.910364] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 157.911522] [] process_one_work+0x1e0/0x37e [ 157.912670] [] worker_thread+0x240/0x317 [ 157.913814] [] ? cancel_delayed_work_sync+0x14/0x14 [ 157.914966] [] kthread+0xaa/0xaf [ 157.916112] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 157.917259] [] ? nsec_low+0x24/0x33 [ 157.918406] [] ret_from_kernel_thread+0x21/0x30 [ 157.919553] [] ? 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:[] 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] [] __delay+0xe/0x10 [ 157.948118] [] __const_udelay+0x1d/0x1f [ 157.949717] [] arch_trigger_all_cpu_backtrace+0x8f/0x9e [ 157.951339] [] do_raw_spin_lock+0xd3/0x107 [ 157.952960] [] _raw_spin_lock_irq+0x2d/0x35 [ 157.954592] [] ? __schedule+0xb0/0x788 [ 157.956217] [] __schedule+0xb0/0x788 [ 157.957838] [] ? vprintk_emit+0x49d/0x4b0 [ 157.959452] [] ? printk+0x1c/0x1e [ 157.961064] [] schedule+0x5b/0x5d [ 157.962665] [] do_exit+0xcd/0x7d5 [ 157.964265] [] ? kmsg_dump+0xd2/0xd9 [ 157.965870] [] oops_end+0x93/0x9b [ 157.967459] [] no_context+0x1c8/0x1d2 [ 157.969057] [] __bad_area_nosemaphore+0x109/0x113 [ 157.970659] [] ? __do_page_fault+0x43f/0x43f [ 157.972268] [] bad_area_nosemaphore+0x12/0x15 [ 157.973878] [] __do_page_fault+0x145/0x43f [ 157.975488] [] ? cpuacct_charge+0x6a/0x72 [ 157.977095] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 157.978707] [] ? sched_clock_cpu+0x19/0xd9 [ 157.980315] [] ? __do_page_fault+0x43f/0x43f [ 157.981925] [] do_page_fault+0xb/0xd [ 157.983533] [] error_code+0x5f/0x64 [ 157.985135] [] ? __do_page_fault+0x43f/0x43f [ 157.986747] [] ? kthread_data+0xf/0x13 [ 157.988359] [] ? wq_worker_sleeping+0x10/0x76 [ 157.989979] [] __schedule+0x121/0x788 [ 157.991596] [] ? trace_hardirqs_on+0xb/0xd [ 157.993210] [] ? put_io_context+0x56/0x6f [ 157.994818] [] ? put_io_context_active+0x8c/0x92 [ 157.997679] [] schedule+0x5b/0x5d [ 157.999278] [] do_exit+0x789/0x7d5 [ 158.000871] [] oops_end+0x93/0x9b [ 158.002459] [] no_context+0x1c8/0x1d2 [ 158.004046] [] __bad_area_nosemaphore+0x109/0x113 [ 158.005645] [] ? __do_page_fault+0x43f/0x43f [ 158.007247] [] bad_area_nosemaphore+0x12/0x15 [ 158.008847] [] __do_page_fault+0x145/0x43f [ 158.010436] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 158.012022] [] ? trace_hardirqs_on_caller+0x14b/0x166 [ 158.013618] [] ? __do_page_fault+0x43f/0x43f [ 158.015206] [] do_page_fault+0xb/0xd [ 158.016785] [] error_code+0x5f/0x64 [ 158.018358] [] ? __do_page_fault+0x43f/0x43f [ 158.019937] [] ? mmu_notifier_unregister+0x18/0xd8 [ 158.021534] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 158.023127] [] process_one_work+0x1e0/0x37e [ 158.024711] [] worker_thread+0x240/0x317 [ 158.026302] [] ? cancel_delayed_work_sync+0x14/0x14 [ 158.027871] [] kthread+0xaa/0xaf [ 158.029403] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 158.030930] [] ? nsec_low+0x24/0x33 [ 158.032446] [] ret_from_kernel_thread+0x21/0x30 [ 158.033967] [] ? 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:[] 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] [] __delay+0xe/0x10 [ 158.071031] [] do_raw_spin_lock+0xae/0x107 [ 158.072762] [] _raw_spin_lock_irq+0x2d/0x35 [ 158.074499] [] ? __schedule+0xb0/0x788 [ 158.076235] [] __schedule+0xb0/0x788 [ 158.077966] [] ? vprintk_emit+0x49d/0x4b0 [ 158.079700] [] ? printk+0x1c/0x1e [ 158.081422] [] schedule+0x5b/0x5d [ 158.083134] [] do_exit+0xcd/0x7d5 [ 158.084841] [] ? kmsg_dump+0xd2/0xd9 [ 158.086547] [] oops_end+0x93/0x9b [ 158.088247] [] no_context+0x1c8/0x1d2 [ 158.089949] [] __bad_area_nosemaphore+0x109/0x113 [ 158.091665] [] ? __do_page_fault+0x43f/0x43f [ 158.093386] [] bad_area_nosemaphore+0x12/0x15 [ 158.095110] [] __do_page_fault+0x145/0x43f [ 158.096827] [] ? cpuacct_charge+0x6a/0x72 [ 158.098546] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 158.100269] [] ? sched_clock_cpu+0x19/0xd9 [ 158.101989] [] ? __do_page_fault+0x43f/0x43f [ 158.103710] [] do_page_fault+0xb/0xd [ 158.105424] [] error_code+0x5f/0x64 [ 158.107141] [] ? __do_page_fault+0x43f/0x43f [ 158.108861] [] ? kthread_data+0xf/0x13 [ 158.110578] [] ? wq_worker_sleeping+0x10/0x76 [ 158.112299] [] __schedule+0x121/0x788 [ 158.114020] [] ? trace_hardirqs_on+0xb/0xd [ 158.115743] [] ? put_io_context+0x56/0x6f [ 158.117461] [] ? put_io_context_active+0x8c/0x92 [ 158.119176] [] schedule+0x5b/0x5d [ 158.120883] [] do_exit+0x789/0x7d5 [ 158.122584] [] oops_end+0x93/0x9b [ 158.124278] [] no_context+0x1c8/0x1d2 [ 158.125968] [] __bad_area_nosemaphore+0x109/0x113 [ 158.127665] [] ? __do_page_fault+0x43f/0x43f [ 158.129367] [] bad_area_nosemaphore+0x12/0x15 [ 158.131068] [] __do_page_fault+0x145/0x43f [ 158.132771] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 158.134466] [] ? trace_hardirqs_on+0xb/0xd [ 158.136147] [] ? __do_page_fault+0x43f/0x43f [ 158.137828] [] do_page_fault+0xb/0xd [ 158.139504] [] error_code+0x5f/0x64 [ 158.141175] [] ? __do_page_fault+0x43f/0x43f [ 158.142849] [] ? mmu_notifier_unregister+0x18/0xd8 [ 158.144540] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 158.146232] [] process_one_work+0x1e0/0x37e [ 158.147919] [] worker_thread+0x240/0x317 [ 158.149546] [] ? cancel_delayed_work_sync+0x14/0x14 [ 158.151109] [] kthread+0xaa/0xaf [ 158.152664] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 158.154199] [] ? nsec_low+0x24/0x33 [ 158.155701] [] ret_from_kernel_thread+0x21/0x30 [ 158.157199] [] ? 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:[] 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] [] __delay+0xe/0x10 [ 158.190762] [] do_raw_spin_lock+0xae/0x107 [ 158.192491] [] _raw_spin_lock+0x27/0x2f [ 158.194222] [] ? sched_rt_period_timer+0xc0/0x268 [ 158.195967] [] sched_rt_period_timer+0xc0/0x268 [ 158.197718] [] ? sched_rt_rq_enqueue+0x66/0x66 [ 158.199463] [] __run_hrtimer+0x93/0x14c [ 158.201199] [] hrtimer_interrupt+0xf7/0x1ef [ 158.202937] [] local_apic_timer_interrupt+0x46/0x4b [ 158.204678] [] smp_apic_timer_interrupt+0x33/0x42 [ 158.206424] [] apic_timer_interrupt+0x32/0x38 [ 158.208171] [] ? poll_idle+0x6a/0x77 [ 158.209914] [] cpuidle_enter_state+0x50/0x124 [ 158.211665] [] cpuidle_enter+0x14/0x17 [ 158.213402] [] cpu_startup_entry+0x18d/0x28d [ 158.215150] [] rest_init+0x97/0x9c [ 158.216885] [] start_kernel+0x39c/0x3a1 [ 158.218627] [] 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:[] 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] [] acpi_idle_enter_simple+0x92/0xce [ 158.261965] [] cpuidle_enter_state+0x50/0x124 [ 158.264117] [] cpuidle_enter+0x14/0x17 [ 158.266245] [] cpu_startup_entry+0x18d/0x28d [ 158.268370] [] 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:[] 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] [] acpi_idle_enter_bm+0x1a6/0x214 [ 158.311575] [] cpuidle_enter_state+0x50/0x124 [ 158.313723] [] cpuidle_enter+0x14/0x17 [ 158.315842] [] cpu_startup_entry+0x18d/0x28d [ 158.317954] [] 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:[] 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] [] acpi_idle_enter_c1+0x48/0x79 [ 158.364926] [] cpuidle_enter_state+0x50/0x124 [ 158.367245] [] cpuidle_enter+0x14/0x17 [ 158.369497] [] cpu_startup_entry+0x18d/0x28d [ 158.371684] [] 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:[] 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] [] acpi_idle_enter_bm+0x1a6/0x214 [ 158.411501] [] cpuidle_enter_state+0x50/0x124 [ 158.413215] [] cpuidle_enter+0x14/0x17 [ 158.414878] [] cpu_startup_entry+0x18d/0x28d [ 158.416491] [] 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:[] 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] [] acpi_idle_enter_bm+0x1a6/0x214 [ 158.461858] [] cpuidle_enter_state+0x50/0x124 [ 158.464214] [] cpuidle_enter+0x14/0x17 [ 158.466499] [] cpu_startup_entry+0x18d/0x28d [ 158.468716] [] 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] [] dump_stack+0x41/0x52 [ 158.581250] [] spin_dump+0x78/0x82 [ 158.582975] [] do_raw_spin_lock+0xc9/0x107 [ 158.584698] [] _raw_spin_lock_irq+0x2d/0x35 [ 158.586422] [] ? __schedule+0xb0/0x788 [ 158.588147] [] __schedule+0xb0/0x788 [ 158.589870] [] ? vprintk_emit+0x49d/0x4b0 [ 158.591592] [] ? printk+0x1c/0x1e [ 158.593261] [] schedule+0x5b/0x5d [ 158.594885] [] do_exit+0xcd/0x7d5 [ 158.596496] [] ? kmsg_dump+0xd2/0xd9 [ 158.598083] [] oops_end+0x93/0x9b [ 158.599645] [] no_context+0x1c8/0x1d2 [ 158.601201] [] __bad_area_nosemaphore+0x109/0x113 [ 158.602753] [] ? __do_page_fault+0x43f/0x43f [ 158.604307] [] bad_area_nosemaphore+0x12/0x15 [ 158.605856] [] __do_page_fault+0x145/0x43f [ 158.607407] [] ? cpuacct_charge+0x6a/0x72 [ 158.608941] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 158.610477] [] ? sched_clock_cpu+0x19/0xd9 [ 158.612002] [] ? __do_page_fault+0x43f/0x43f [ 158.613512] [] do_page_fault+0xb/0xd [ 158.615005] [] error_code+0x5f/0x64 [ 158.616489] [] ? __do_page_fault+0x43f/0x43f [ 158.617964] [] ? kthread_data+0xf/0x13 [ 158.619440] [] ? wq_worker_sleeping+0x10/0x76 [ 158.620910] [] __schedule+0x121/0x788 [ 158.622386] [] ? trace_hardirqs_on+0xb/0xd [ 158.623860] [] ? put_io_context+0x56/0x6f [ 158.625336] [] ? put_io_context_active+0x8c/0x92 [ 158.626759] [] schedule+0x5b/0x5d [ 158.628132] [] do_exit+0x789/0x7d5 [ 158.629496] [] oops_end+0x93/0x9b [ 158.630836] [] no_context+0x1c8/0x1d2 [ 158.632156] [] __bad_area_nosemaphore+0x109/0x113 [ 158.633470] [] ? __do_page_fault+0x43f/0x43f [ 158.634777] [] bad_area_nosemaphore+0x12/0x15 [ 158.636086] [] __do_page_fault+0x145/0x43f [ 158.637392] [] ? dequeue_task_fair+0x7e0/0x7e8 [ 158.638697] [] ? trace_hardirqs_on+0xb/0xd [ 158.639994] [] ? __do_page_fault+0x43f/0x43f [ 158.641283] [] do_page_fault+0xb/0xd [ 158.642561] [] error_code+0x5f/0x64 [ 158.643827] [] ? __do_page_fault+0x43f/0x43f [ 158.645086] [] ? mmu_notifier_unregister+0x18/0xd8 [ 158.646355] [] __i915_mm_struct_free__worker+0x22/0x45 [i915] [ 158.647609] [] process_one_work+0x1e0/0x37e [ 158.648859] [] worker_thread+0x240/0x317 [ 158.650107] [] ? cancel_delayed_work_sync+0x14/0x14 [ 158.651365] [] kthread+0xaa/0xaf [ 158.652620] [] ? _raw_spin_unlock_irq+0x27/0x2b [ 158.653878] [] ? nsec_low+0x24/0x33 [ 158.655091] [] ret_from_kernel_thread+0x21/0x30 [ 158.656256] [] ? 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] [] dump_stack+0x41/0x52 [ 158.657435] [] spin_dump+0x78/0x82 [ 158.657436] [] do_raw_spin_lock+0xc9/0x107 [ 158.657437] [] _raw_spin_lock+0x27/0x2f [ 158.657439] [] ? sched_rt_period_timer+0xc0/0x268 [ 158.657441] [] sched_rt_period_timer+0xc0/0x268 [ 158.657443] [] ? sched_rt_rq_enqueue+0x66/0x66 [ 158.657444] [] __run_hrtimer+0x93/0x14c [ 158.657445] [] hrtimer_interrupt+0xf7/0x1ef [ 158.657447] [] local_apic_timer_interrupt+0x46/0x4b [ 158.657448] [] smp_apic_timer_interrupt+0x33/0x42 [ 158.657449] [] apic_timer_interrupt+0x32/0x38 [ 158.657451] [] ? poll_idle+0x6a/0x77