This is the softlockup I am seeing on one of our HP blades. I haven't fully ruled out bad hardware, trying to reproduce on another machine. Sven [ 128.371195] BUG: soft lockup - CPU#9 stuck for 22s! [git:6333] [ 132.387637] BUG: soft lockup - CPU#10 stuck for 23s! [agetty:674] [ 144.398987] BUG: soft lockup - CPU#11 stuck for 22s! [flush-8:0:336] [ 156.353376] BUG: soft lockup - CPU#9 stuck for 22s! [git:6333] [ 160.369814] BUG: soft lockup - CPU#10 stuck for 22s! [agetty:674] [ 192.330459] BUG: soft lockup - CPU#9 stuck for 23s! [git:6333] [ 192.349444] BUG: soft lockup - CPU#10 stuck for 23s! [agetty:674] [ 192.368428] BUG: soft lockup - CPU#11 stuck for 23s! [flush-8:0:336] [ 195.632116] BUG: spinlock lockup suspected on CPU#9, git/6333 [ 195.632122] general protection fault: 0000 [#1] PREEMPT SMP [ 195.632134] Modules linked in: nfsv4 auth_rpcgss nfs fscache lockd sunrpc af_packet cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf coretemp crc32c_intel ghash_clmulni_intel kvm_intel igb iTCO_wdt iTCO_vendor_support aesni_intel gpio_ich kvm pcspkr sg ablk_helper dca ptp pps_core lpc_ich mfd_core serio_raw cryptd i7core_edac edac_core aes_x86_64 button edd microcode autofs4 mgag200 ttm drm_kms_helper drm i2c_algo_bit sysimgblt sysfillrect syscopyarea processor thermal_sys scsi_dh_alua scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh [ 195.632135] CPU 9 [ 195.632135] Pid: 6333, comm: git Tainted: G W 3.6.8-rt19-4-desktop #6 HP ProLiant SL2x170z G6/ProLiant SL2x170z G6 [ 195.632138] RIP: 0010:[<ffffffff816438c1>] [<ffffffff816438c1>] spin_dump+0x56/0x91 [ 195.632138] RSP: 0000:ffff880be0077818 EFLAGS: 00010206 [ 195.632139] RAX: 0000000000000031 RBX: 1067a77cb2247fcc RCX: 0000000000000871 [ 195.632139] RDX: ffff880be0077fd8 RSI: 0000000000000001 RDI: 0000000000000246 [ 195.632140] RBP: ffff880be0077828 R08: ffffffff81e6c624 R09: 000000004642dad1 [ 195.632140] R10: 0000000000000001 R11: 0000000000000000 R12: ffff880bc1867c00 [ 195.632141] R13: 00000000c6ad2908 R14: 0000000000000000 R15: ffffffff81c07c00 [ 195.632142] FS: 00007f639cfdc700(0000) GS:ffff880c3fc60000(0000) knlGS:0000000000000000 [ 195.632142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.632143] CR2: 00007f6389c26fa8 CR3: 0000000be168d000 CR4: 00000000000007e0 [ 195.632143] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 195.632144] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 195.632144] Process git (pid: 6333, threadinfo ffff880be0076000, task ffff880be11accc0) [ 195.632145] Stack: [ 195.632146] ffff880bc1867c00 00000000c6ad2908 ffff880be0077858 ffffffff81343189 [ 195.632147] ffff880bc1867c00 ffff880be00778c8 ffff880bdf458d50 ffff880be11accc0 [ 195.632149] ffff880be0077888 ffffffff81649f44 ffffffff81648d63 ffffffff8164a046 [ 195.632149] Call Trace: [ 195.632151] [<ffffffff81343189>] do_raw_spin_lock+0xf9/0x140 [ 195.632152] [<ffffffff81649f44>] _raw_spin_lock+0x44/0x50 [ 195.632153] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 195.632155] [<ffffffff8164a046>] ? _raw_spin_unlock+0x26/0x60 [ 195.632156] [<ffffffff81648d63>] rt_spin_lock_slowlock+0x43/0x380 [ 195.632158] [<ffffffff81649817>] rt_spin_lock+0x27/0x60 [ 195.632159] [<ffffffff8113f4bd>] __lru_cache_add+0x5d/0x1f0 [ 195.632163] [<ffffffffa030ad90>] ? nfs_return_empty_page+0x70/0x70 [nfs] [ 195.632165] [<ffffffff811306b9>] add_to_page_cache_lru+0x29/0x40 [ 195.632166] [<ffffffff8113ddcc>] read_cache_pages+0x7c/0x120 [ 195.632171] [<ffffffffa030b821>] nfs_readpages+0x151/0x1d0 [nfs] [ 195.632172] [<ffffffff8113e12a>] __do_page_cache_readahead+0x2ba/0x370 [ 195.632174] [<ffffffff8113df80>] ? __do_page_cache_readahead+0x110/0x370 [ 195.632175] [<ffffffff8113e35c>] ra_submit+0x1c/0x20 [ 195.632176] [<ffffffff81132b96>] filemap_fault+0x416/0x470 [ 195.632178] [<ffffffff811594eb>] __do_fault+0x6b/0x4d0 [ 195.632179] [<ffffffff8115c0bd>] handle_pte_fault+0x8d/0xaa0 [ 195.632180] [<ffffffff8164a046>] ? _raw_spin_unlock+0x26/0x60 [ 195.632182] [<ffffffff81083c2b>] ? migrate_enable+0xeb/0x220 [ 195.632183] [<ffffffff8115a2fe>] ? __pte_alloc+0xae/0x100 [ 195.632185] [<ffffffff8115cdcd>] handle_mm_fault+0x13d/0x1d0 [ 195.632186] [<ffffffff8164d95e>] do_page_fault+0x1ce/0x4d0 [ 195.632187] [<ffffffff810b38ad>] ? trace_hardirqs_on+0xd/0x10 [ 195.632189] [<ffffffff8133d465>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 195.632190] [<ffffffff8164a885>] page_fault+0x25/0x30 [ 195.632201] Code: 80 9c 00 00 44 8b 80 e4 02 00 00 48 8d 88 90 04 00 00 31 c0 65 8b 14 25 c4 90 00 00 e8 a0 ac ff ff 48 85 db 45 8b 4c 24 08 74 10 <44> 8b 83 e4 02 00 00 48 8d 8b 90 04 00 00 eb 0b 41 83 c8 ff 48 [ 195.632202] RIP [<ffffffff816438c1>] spin_dump+0x56/0x91 [ 195.632202] RSP <ffff880be0077818> [ 196.112977] ---[ end trace 0000000000000003 ]--- [ 196.112979] BUG: sleeping function called from invalid context at kernel/rtmutex.c:1153 [ 196.112979] in_atomic(): 1, irqs_disabled(): 0, pid: 6333, name: git [ 196.112980] INFO: lockdep is turned off. [ 196.112981] Pid: 6333, comm: git Tainted: G D W 3.6.8-rt19-4-desktop #6 [ 196.112981] Call Trace: [ 196.112984] [<ffffffff8107f24a>] __might_sleep+0x13a/0x1f0 [ 196.112986] [<ffffffff81648cff>] rt_mutex_lock+0x1f/0x40 [ 196.112987] [<ffffffff810ba52b>] __rt_down_read+0x4b/0x60 [ 196.112988] [<ffffffff810ba55b>] ? rt_down_read+0xb/0x10 [ 196.112989] [<ffffffff810ba55b>] rt_down_read+0xb/0x10 [ 196.112992] [<ffffffff81061ebf>] exit_signals+0x1f/0x140 [ 196.112994] [<ffffffff8107ae81>] ? blocking_notifier_call_chain+0x11/0x20 [ 196.112996] [<ffffffff8104e49f>] do_exit+0xaf/0xb30 [ 196.112998] [<ffffffff8104abdd>] ? kmsg_dump+0x1ad/0x220 [ 196.112999] [<ffffffff8104aa50>] ? kmsg_dump+0x20/0x220 [ 196.113001] [<ffffffff8164b4c9>] oops_end+0x99/0xe0 [ 196.113003] [<ffffffff81005d63>] die+0x53/0x80 [ 196.113004] [<ffffffff8164afc2>] do_general_protection+0x162/0x170 [ 196.113005] [<ffffffff8164a664>] ? restore_args+0x30/0x30 [ 196.113006] [<ffffffff8164a855>] general_protection+0x25/0x30 [ 196.113008] [<ffffffff816438c1>] ? spin_dump+0x56/0x91 [ 196.113009] [<ffffffff816438b7>] ? spin_dump+0x4c/0x91 [ 196.113010] [<ffffffff81343189>] do_raw_spin_lock+0xf9/0x140 [ 196.113012] [<ffffffff81649f44>] _raw_spin_lock+0x44/0x50 [ 196.113013] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 196.113015] [<ffffffff8164a046>] ? _raw_spin_unlock+0x26/0x60 [ 196.113016] [<ffffffff81648d63>] rt_spin_lock_slowlock+0x43/0x380 [ 196.113018] [<ffffffff81649817>] rt_spin_lock+0x27/0x60 [ 196.113020] [<ffffffff8113f4bd>] __lru_cache_add+0x5d/0x1f0 [ 196.113025] [<ffffffffa030ad90>] ? nfs_return_empty_page+0x70/0x70 [nfs] [ 196.113027] [<ffffffff811306b9>] add_to_page_cache_lru+0x29/0x40 [ 196.113028] [<ffffffff8113ddcc>] read_cache_pages+0x7c/0x120 [ 196.113032] [<ffffffffa030b821>] nfs_readpages+0x151/0x1d0 [nfs] [ 196.113034] [<ffffffff8113e12a>] __do_page_cache_readahead+0x2ba/0x370 [ 196.113036] [<ffffffff8113df80>] ? __do_page_cache_readahead+0x110/0x370 [ 196.113037] [<ffffffff8113e35c>] ra_submit+0x1c/0x20 [ 196.113038] [<ffffffff81132b96>] filemap_fault+0x416/0x470 [ 196.113040] [<ffffffff811594eb>] __do_fault+0x6b/0x4d0 [ 196.113041] [<ffffffff8115c0bd>] handle_pte_fault+0x8d/0xaa0 [ 196.113043] [<ffffffff8164a046>] ? _raw_spin_unlock+0x26/0x60 [ 196.113045] [<ffffffff81083c2b>] ? migrate_enable+0xeb/0x220 [ 196.113046] [<ffffffff8115a2fe>] ? __pte_alloc+0xae/0x100 [ 196.113047] [<ffffffff8115cdcd>] handle_mm_fault+0x13d/0x1d0 [ 196.113049] [<ffffffff8164d95e>] do_page_fault+0x1ce/0x4d0 [ 196.113050] [<ffffffff810b38ad>] ? trace_hardirqs_on+0xd/0x10 [ 196.113052] [<ffffffff8133d465>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 196.113054] [<ffffffff8164a885>] page_fault+0x25/0x30 [ 196.113055] note: git[6333] exited with preempt_count 1 [ 200.084385] BUG: spinlock lockup suspected on CPU#10, agetty/674 [ 200.084388] general protection fault: 0000 [#2] PREEMPT SMP [ 200.084399] Modules linked in: nfsv4 auth_rpcgss nfs fscache lockd sunrpc af_packet cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf coretemp crc32c_intel ghash_clmulni_intel kvm_intel igb iTCO_wdt iTCO_vendor_support aesni_intel gpio_ich kvm pcspkr sg ablk_helper dca ptp pps_core lpc_ich mfd_core serio_raw cryptd i7core_edac edac_core aes_x86_64 button edd microcode autofs4 mgag200 ttm drm_kms_helper drm i2c_algo_bit sysimgblt sysfillrect syscopyarea processor thermal_sys scsi_dh_alua scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh [ 200.084401] CPU 10 [ 200.084401] Pid: 674, comm: agetty Tainted: G D W 3.6.8-rt19-4-desktop #6 HP ProLiant SL2x170z G6/ProLiant SL2x170z G6 [ 200.084403] RIP: 0010:[<ffffffff816438c1>] [<ffffffff816438c1>] spin_dump+0x56/0x91 [ 200.084403] RSP: 0018:ffff8805e03877a8 EFLAGS: 00010286 [ 200.084404] RAX: 0000000000000034 RBX: cdc5c4fabb8bf87b RCX: 00000000000008d5 [ 200.084404] RDX: ffff8805e0387fd8 RSI: 0000000000000001 RDI: 0000000000000246 [ 200.084405] RBP: ffff8805e03877b8 R08: ffffffff81e6c624 R09: 0000000017f07438 [ 200.084405] R10: 0000000000000001 R11: 0000000000000000 R12: ffff880bc1887c00 [ 200.084406] R13: 00000000c6ad2908 R14: 0000000000000000 R15: ffffffff81c07c00 [ 200.084406] FS: 00007fbc02ee8700(0000) GS:ffff880c3fc80000(0000) knlGS:0000000000000000 [ 200.084407] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 200.084408] CR2: 00007fbc02d77000 CR3: 00000005e0847000 CR4: 00000000000007e0 [ 200.084408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 200.084409] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 200.084409] Process agetty (pid: 674, threadinfo ffff8805e0386000, task ffff8805e0bf8300) [ 200.084409] Stack: [ 200.084411] ffff880bc1887c00 00000000c6ad2908 ffff8805e03877e8 ffffffff81343189 [ 200.084412] ffff880bc1887c00 ffff8805e0387858 00007fbc02d77000 ffff8805e0bf8300 [ 200.084414] ffff8805e0387818 ffffffff81649f44 ffffffff81648d63 ffffffff81648d63 [ 200.084414] Call Trace: [ 200.084416] [<ffffffff81343189>] do_raw_spin_lock+0xf9/0x140 [ 200.084417] [<ffffffff81649f44>] _raw_spin_lock+0x44/0x50 [ 200.084418] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 200.084420] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 200.084421] [<ffffffff81648d63>] rt_spin_lock_slowlock+0x43/0x380 [ 200.084422] [<ffffffff81649817>] rt_spin_lock+0x27/0x60 [ 200.084424] [<ffffffff8113f4bd>] __lru_cache_add+0x5d/0x1f0 [ 200.084425] [<ffffffff8113fcef>] lru_cache_add_lru+0x1f/0x40 [ 200.084427] [<ffffffff81165f45>] page_add_new_anon_rmap+0xa5/0xd0 [ 200.084428] [<ffffffff8115c85f>] ? handle_pte_fault+0x82f/0xaa0 [ 200.084429] [<ffffffff8115c88f>] handle_pte_fault+0x85f/0xaa0 [ 200.084431] [<ffffffff81189f47>] ? mem_cgroup_count_vm_event+0x17/0x1e0 [ 200.084432] [<ffffffff8115cdcd>] handle_mm_fault+0x13d/0x1d0 [ 200.084433] [<ffffffff810ba641>] ? rt_down_read_trylock+0x61/0x90 [ 200.084435] [<ffffffff8164d95e>] do_page_fault+0x1ce/0x4d0 [ 200.084436] [<ffffffff816490b8>] ? rt_mutex_unlock+0x18/0x80 [ 200.084437] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 200.084439] [<ffffffff8133d465>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 200.084440] [<ffffffff8164a885>] page_fault+0x25/0x30 [ 200.084441] [<ffffffff8112f7fe>] ? file_read_actor+0x3e/0x1c0 [ 200.084443] [<ffffffff81130883>] ? find_get_page+0xf3/0x220 [ 200.084444] [<ffffffff81130790>] ? filemap_page_mkwrite+0xc0/0xc0 [ 200.084446] [<ffffffff81132194>] generic_file_aio_read+0x314/0x710 [ 200.084447] [<ffffffff81194797>] do_sync_read+0xa7/0xe0 [ 200.084449] [<ffffffff811950e7>] vfs_read+0xa7/0x180 [ 200.084450] [<ffffffff81195208>] sys_read+0x48/0x90 [ 200.084452] [<ffffffff81651bbd>] system_call_fastpath+0x1a/0x1f [ 200.084462] Code: 80 9c 00 00 44 8b 80 e4 02 00 00 48 8d 88 90 04 00 00 31 c0 65 8b 14 25 c4 90 00 00 e8 a0 ac ff ff 48 85 db 45 8b 4c 24 08 74 10 <44> 8b 83 e4 02 00 00 48 8d 8b 90 04 00 00 eb 0b 41 83 c8 ff 48 [ 200.084463] RIP [<ffffffff816438c1>] spin_dump+0x56/0x91 [ 200.084464] RSP <ffff8805e03877a8> [ 200.815585] ---[ end trace 0000000000000004 ]--- [ 200.815586] BUG: sleeping function called from invalid context at kernel/rtmutex.c:1153 [ 200.815587] in_atomic(): 1, irqs_disabled(): 0, pid: 674, name: agetty [ 200.815587] INFO: lockdep is turned off. [ 200.815588] Pid: 674, comm: agetty Tainted: G D W 3.6.8-rt19-4-desktop #6 [ 200.815588] Call Trace: [ 200.815590] [<ffffffff8107f24a>] __might_sleep+0x13a/0x1f0 [ 200.815592] [<ffffffff81648cff>] rt_mutex_lock+0x1f/0x40 [ 200.815593] [<ffffffff810ba52b>] __rt_down_read+0x4b/0x60 [ 200.815594] [<ffffffff810ba55b>] ? rt_down_read+0xb/0x10 [ 200.815595] [<ffffffff810ba55b>] rt_down_read+0xb/0x10 [ 200.815597] [<ffffffff81061ebf>] exit_signals+0x1f/0x140 [ 200.815598] [<ffffffff8107ae81>] ? blocking_notifier_call_chain+0x11/0x20 [ 200.815600] [<ffffffff8104e49f>] do_exit+0xaf/0xb30 [ 200.815601] [<ffffffff8104abdd>] ? kmsg_dump+0x1ad/0x220 [ 200.815603] [<ffffffff8104aa50>] ? kmsg_dump+0x20/0x220 [ 200.815604] [<ffffffff8164b4c9>] oops_end+0x99/0xe0 [ 200.815605] [<ffffffff81005d63>] die+0x53/0x80 [ 200.815606] [<ffffffff8164afc2>] do_general_protection+0x162/0x170 [ 200.815607] [<ffffffff8164a664>] ? restore_args+0x30/0x30 [ 200.815608] [<ffffffff8164a855>] general_protection+0x25/0x30 [ 200.815609] [<ffffffff816438c1>] ? spin_dump+0x56/0x91 [ 200.815610] [<ffffffff816438b7>] ? spin_dump+0x4c/0x91 [ 200.815612] [<ffffffff81343189>] do_raw_spin_lock+0xf9/0x140 [ 200.815613] [<ffffffff81649f44>] _raw_spin_lock+0x44/0x50 [ 200.815614] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 200.815616] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 200.815617] [<ffffffff81648d63>] rt_spin_lock_slowlock+0x43/0x380 [ 200.815618] [<ffffffff81649817>] rt_spin_lock+0x27/0x60 [ 200.815620] [<ffffffff8113f4bd>] __lru_cache_add+0x5d/0x1f0 [ 200.815621] [<ffffffff8113fcef>] lru_cache_add_lru+0x1f/0x40 [ 200.815623] [<ffffffff81165f45>] page_add_new_anon_rmap+0xa5/0xd0 [ 200.815624] [<ffffffff8115c85f>] ? handle_pte_fault+0x82f/0xaa0 [ 200.815625] [<ffffffff8115c88f>] handle_pte_fault+0x85f/0xaa0 [ 200.815626] [<ffffffff81189f47>] ? mem_cgroup_count_vm_event+0x17/0x1e0 [ 200.815627] [<ffffffff8115cdcd>] handle_mm_fault+0x13d/0x1d0 [ 200.815629] [<ffffffff810ba641>] ? rt_down_read_trylock+0x61/0x90 [ 200.815630] [<ffffffff8164d95e>] do_page_fault+0x1ce/0x4d0 [ 200.815631] [<ffffffff816490b8>] ? rt_mutex_unlock+0x18/0x80 [ 200.815633] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 200.815634] [<ffffffff8133d465>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 200.815635] [<ffffffff8164a885>] page_fault+0x25/0x30 [ 200.815637] [<ffffffff8112f7fe>] ? file_read_actor+0x3e/0x1c0 [ 200.815638] [<ffffffff81130883>] ? find_get_page+0xf3/0x220 [ 200.815639] [<ffffffff81130790>] ? filemap_page_mkwrite+0xc0/0xc0 [ 200.815641] [<ffffffff81132194>] generic_file_aio_read+0x314/0x710 [ 200.815642] [<ffffffff81194797>] do_sync_read+0xa7/0xe0 [ 200.815644] [<ffffffff811950e7>] vfs_read+0xa7/0x180 [ 200.815645] [<ffffffff81195208>] sys_read+0x48/0x90 [ 200.815646] [<ffffffff81651bbd>] system_call_fastpath+0x1a/0x1f [ 200.815648] note: agetty[674] exited with preempt_count 1 [ 215.299999] BUG: spinlock lockup suspected on CPU#11, flush-8:0/336 [ 215.300003] general protection fault: 0000 [#3] PREEMPT SMP [ 215.300015] Modules linked in: nfsv4 auth_rpcgss nfs fscache lockd sunrpc af_packet cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf coretemp crc32c_intel ghash_clmulni_intel kvm_intel igb iTCO_wdt iTCO_vendor_support aesni_intel gpio_ich kvm pcspkr sg ablk_helper dca ptp pps_core lpc_ich mfd_core serio_raw cryptd i7core_edac edac_core aes_x86_64 button edd microcode autofs4 mgag200 ttm drm_kms_helper drm i2c_algo_bit sysimgblt sysfillrect syscopyarea processor thermal_sys scsi_dh_alua scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh [ 215.300016] CPU 11 [ 215.300016] Pid: 336, comm: flush-8:0 Tainted: G D W 3.6.8-rt19-4-desktop #6 HP ProLiant SL2x170z G6/ProLiant SL2x170z G6 [ 215.300019] RIP: 0010:[<ffffffff816438c1>] [<ffffffff816438c1>] spin_dump+0x56/0x91 [ 215.300019] RSP: 0018:ffff8805df881770 EFLAGS: 00010206 [ 215.300020] RAX: 0000000000000037 RBX: 7c135a0e23ab1dd8 RCX: 000000000000093d [ 215.300020] RDX: ffff8805df881fd8 RSI: 0000000000000001 RDI: 0000000000000246 [ 215.300021] RBP: ffff8805df881780 R08: ffffffff81e6c624 R09: 0000000013d84b63 [ 215.300021] R10: 0000000000000001 R11: 0000000000000000 R12: ffff880bc18a7c00 [ 215.300022] R13: 00000000c6ad2908 R14: 0000000000000000 R15: 0000000001400001 [ 215.300023] FS: 0000000000000000(0000) GS:ffff880c3fca0000(0000) knlGS:0000000000000000 [ 215.300023] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 215.300024] CR2: 000000000069700c CR3: 0000000001c16000 CR4: 00000000000007e0 [ 215.300024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 215.300025] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 215.300025] Process flush-8:0 (pid: 336, threadinfo ffff8805df880000, task ffff8805e06953c0) [ 215.300026] Stack: [ 215.300027] ffff880bc18a7c00 00000000c6ad2908 ffff8805df8817b0 ffffffff81343189 [ 215.300029] ffff880bc18a7c00 ffff8805df881820 0000000000000000 ffff8805e06953c0 [ 215.300030] ffff8805df8817e0 ffffffff81649f44 ffffffff81648d63 0000000000000001 [ 215.300030] Call Trace: [ 215.300032] [<ffffffff81343189>] do_raw_spin_lock+0xf9/0x140 [ 215.300034] [<ffffffff81649f44>] _raw_spin_lock+0x44/0x50 [ 215.300035] [<ffffffff81648d63>] ? rt_spin_lock_slowlock+0x43/0x380 [ 215.300037] [<ffffffff81648d63>] rt_spin_lock_slowlock+0x43/0x380 [ 215.300038] [<ffffffff81130582>] ? unlock_page+0x22/0x30 [ 215.300040] [<ffffffff81649817>] rt_spin_lock+0x27/0x60 [ 215.300041] [<ffffffff81140222>] lru_add_drain+0x42/0x140 [ 215.300043] [<ffffffff81140331>] __pagevec_release+0x11/0x30 [ 215.300044] [<ffffffff8113c2f6>] write_cache_pages+0x2c6/0x660 [ 215.300045] [<ffffffff8113b850>] ? mapping_tagged+0x10/0x10 [ 215.300048] [<ffffffff8164a046>] ? _raw_spin_unlock+0x26/0x60 [ 215.300049] [<ffffffff8113c6d8>] generic_writepages+0x48/0x70 [ 215.300050] [<ffffffff8113daac>] do_writepages+0x1c/0x40 [ 215.300052] [<ffffffff811c30d1>] __writeback_single_inode.isra.33+0x41/0x270 [ 215.300053] [<ffffffff811c390b>] writeback_sb_inodes+0x2db/0x5f0 [ 215.300054] [<ffffffff811c3cb7>] __writeback_inodes_wb+0x97/0xd0 [ 215.300056] [<ffffffff811c409b>] wb_writeback+0x3ab/0x5f0 [ 215.300058] [<ffffffff811c5240>] wb_do_writeback+0x300/0x370 [ 215.300059] [<ffffffff811c5343>] bdi_writeback_thread+0x93/0x570 [ 215.300061] [<ffffffff811c52b0>] ? wb_do_writeback+0x370/0x370 [ 215.300062] [<ffffffff81072543>] kthread+0xa3/0xb0 [ 215.300064] [<ffffffff8164a11b>] ? _raw_spin_unlock_irq+0x2b/0x70 [ 215.300065] [<ffffffff810802f7>] ? finish_task_switch+0x77/0x130 [ 215.300067] [<ffffffff810802ba>] ? finish_task_switch+0x3a/0x130 [ 215.300068] [<ffffffff81652f84>] kernel_thread_helper+0x4/0x10 [ 215.300070] [<ffffffff8164a11b>] ? _raw_spin_unlock_irq+0x2b/0x70 [ 215.300071] [<ffffffff8164a634>] ? retint_restore_args+0x13/0x13 [ 215.300073] [<ffffffff810724a0>] ? __init_kthread_worker+0xa0/0xa0 [ 215.300074] [<ffffffff81652f80>] ? gs_change+0x13/0x13 [ 215.300084] Code: 80 9c 00 00 44 8b 80 e4 02 00 00 48 8d 88 90 04 00 00 31 c0 65 8b 14 25 c4 90 00 00 e8 a0 ac ff ff 48 85 db 45 8b 4c 24 08 74 10 <44> 8b 83 e4 02 00 00 48 8d 8b 90 04 00 00 eb 0b 41 83 c8 ff 48 [ 215.300086] RIP [<ffffffff816438c1>] spin_dump+0x56/0x91 [ 215.300086] RSP <ffff8805df881770> -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
