Linux version 2.6.17-git22 (duncan@baldrick) (gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu5)) #20 PREEMPT Tue Jul 4 10:35:04 CEST 2006
[ 612.924372] =========================================================
[ 612.948112] [ INFO: possible irq lock inversion dependency detected ]
[ 612.967383] ---------------------------------------------------------
[ 612.986657] aplay/5128 just changed the state of lock:
[ 613.002034] (&ins->scbs[index].lock){-...}, at: [<e099f95e>] cs46xx_dsp_remove_scb+0x1e/0xca [snd_cs46xx]
[ 613.031150] but this lock was taken by another, hard-irq-safe lock in the past:
[ 613.053019] (&substream->self_group.lock){+...}
[ 613.066369]
[ 613.066371] and interrupts could create inverse lock ordering between them.
[ 613.066374]
[ 613.096680]
[ 613.096682] other info that might help us debug this:
[ 613.116266] 3 locks held by aplay/5128:
[ 613.127745] #0: (&mm->mmap_sem){----}, at: [<c014209d>] sys_munmap+0x26/0x42
[ 613.149615] #1: (&pcm->open_mutex){--..}, at: [<c028f814>] mutex_lock+0x1c/0x1f
[ 613.172263] #2: (&chip->spos_mutex){--..}, at: [<c028f814>] mutex_lock+0x1c/0x1f
[ 613.195173]
[ 613.195174] the first lock's dependencies:
[ 613.211900] -> (&ins->scbs[index].lock){-...} ops: 3 {
[ 613.227484] initial-use at:
[ 613.236939] [<c012a38a>] lock_acquire+0x5e/0x80
[ 613.262574] [<c029075f>] _spin_lock+0x23/0x32
[ 613.287743] [<e099f6b9>] cs46xx_dsp_pcm_link+0x1f/0xf7 [snd_cs46xx]
[ 613.318625] [<e099a302>] snd_cs46xx_playback_trigger+0x7a/0xc9 [snd_cs46xx]
[ 613.351559] [<e094f45d>] snd_pcm_do_start+0x19/0x20 [snd_pcm]
[ 613.380883] [<e094f3c1>] snd_pcm_action_single+0x23/0x49 [snd_pcm]
[ 613.411455] [<e09503a7>] snd_pcm_action+0x66/0x72 [snd_pcm]
[ 613.440234] [<e095049a>] snd_pcm_start+0x14/0x16 [snd_pcm]
[ 613.468727] [<e095534e>] snd_pcm_lib_write1+0x38c/0x3fd [snd_pcm]
[ 613.499065] [<e095545d>] snd_pcm_lib_write+0x4b/0x59 [snd_pcm]
[ 613.528624] [<e0952b85>] snd_pcm_playback_ioctl1+0x91/0x3b3 [snd_pcm]
[ 613.560025] [<e0952ece>] snd_pcm_playback_ioctl+0x27/0x34 [snd_pcm]
[ 613.590882] [<c015ddec>] do_ioctl+0x20/0x65
[ 613.615505] [<c015e089>] vfs_ioctl+0x258/0x26b
[ 613.640908] [<c015e0c6>] sys_ioctl+0x2a/0x44
[ 613.665817] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 613.692778] hardirq-on-W at:
[ 613.702232] [<c012a38a>] lock_acquire+0x5e/0x80
[ 613.727920] [<c029075f>] _spin_lock+0x23/0x32
[ 613.753036] [<e099f95e>] cs46xx_dsp_remove_scb+0x1e/0xca [snd_cs46xx]
[ 613.784411] [<e099fbc6>] cs46xx_dsp_destroy_pcm_channel+0x52/0x7a [snd_cs46xx]
[ 613.818100] [<e0999466>] snd_cs46xx_playback_close+0x36/0x64 [snd_cs46xx]
[ 613.850515] [<e0950681>] snd_pcm_release_substream+0x3d/0x66 [snd_pcm]
[ 613.882151] [<e09506e5>] snd_pcm_release+0x3b/0xc3 [snd_pcm]
[ 613.911190] [<c014f7d4>] __fput+0xb1/0x1a4
[ 613.935554] [<c014f8dd>] fput+0x16/0x18
[ 613.959163] [<c0141058>] remove_vma+0x37/0x49
[ 613.984281] [<c014205d>] do_munmap+0x193/0x1ad
[ 614.009707] [<c01420aa>] sys_munmap+0x33/0x42
[ 614.034824] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 614.061787] }
[ 614.066772] ... key at: [<e09ac2a0>] __key.19769+0x0/0xffff3e4f [snd_cs46xx]
[ 614.089526] -> (&chip->reg_lock#2){....} ops: 22 {
[ 614.104694] initial-use at:
[ 614.114720] [<c012a38a>] lock_acquire+0x5e/0x80
[ 614.135135] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 614.157083] [<e099eb50>] _dsp_create_generic_scb+0x89/0xdd [snd_cs46xx]
[ 614.183733] [<e099ebec>] cs46xx_dsp_create_generic_scb+0x48/0x53 [snd_cs46xx]
[ 614.211913] [<e099f255>] cs46xx_dsp_create_codec_out_scb+0x54/0x5c [snd_cs46xx]
[ 614.240641] [<e099dea3>] cs46xx_dsp_scb_and_task_init+0x1d8/0x876 [snd_cs46xx]
[ 614.269108] [<e099ac6b>] snd_cs46xx_start_dsp+0x94/0x182 [snd_cs46xx]
[ 614.295238] [<e0999163>] snd_card_cs46xx_probe+0x144/0x1c1 [snd_cs46xx]
[ 614.321886] [<c01e17f6>] pci_device_probe+0x39/0x59
[ 614.343341] [<c02208a8>] driver_probe_device+0x45/0x98
[ 614.365574] [<c02209c8>] __driver_attach+0x5c/0x85
[ 614.386770] [<c021fed9>] bus_for_each_dev+0x3a/0x5f
[ 614.408248] [<c0220784>] driver_attach+0x14/0x17
[ 614.428897] [<c02201b8>] bus_add_driver+0x69/0xf6
[ 614.449806] [<c0220dd3>] driver_register+0x9d/0xa2
[ 614.470975] [<c01e1471>] __pci_register_driver+0x4f/0x6c
[ 614.493703] [<e08d0012>] ipt_hook+0x12/0x1e [iptable_filter]
[ 614.517495] [<c013017c>] sys_init_module+0x1345/0x14a6
[ 614.539728] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 614.561442] }
[ 614.567000] ... key at: [<e09ac288>] __key.21446+0x0/0xffff3e67 [snd_cs46xx]
[ 614.590325] ... acquired at:
[ 614.599208] [<c012a38a>] lock_acquire+0x5e/0x80
[ 614.613754] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 614.629857] [<e099f707>] cs46xx_dsp_pcm_link+0x6d/0xf7 [snd_cs46xx]
[ 614.649598] [<e099a302>] snd_cs46xx_playback_trigger+0x7a/0xc9 [snd_cs46xx]
[ 614.671414] [<e094f45d>] snd_pcm_do_start+0x19/0x20 [snd_pcm]
[ 614.689596] [<e094f3c1>] snd_pcm_action_single+0x23/0x49 [snd_pcm]
[ 614.709051] [<e09503a7>] snd_pcm_action+0x66/0x72 [snd_pcm]
[ 614.726714] [<e095049a>] snd_pcm_start+0x14/0x16 [snd_pcm]
[ 614.744089] [<e095534e>] snd_pcm_lib_write1+0x38c/0x3fd [snd_pcm]
[ 614.763285] [<e095545d>] snd_pcm_lib_write+0x4b/0x59 [snd_pcm]
[ 614.781727] [<e0952b85>] snd_pcm_playback_ioctl1+0x91/0x3b3 [snd_pcm]
[ 614.801959] [<e0952ece>] snd_pcm_playback_ioctl+0x27/0x34 [snd_pcm]
[ 614.821700] [<c015ddec>] do_ioctl+0x20/0x65
[ 614.835205] [<c015e089>] vfs_ioctl+0x258/0x26b
[ 614.849464] [<c015e0c6>] sys_ioctl+0x2a/0x44
[ 614.863231] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 614.879075]
[ 614.883543]
[ 614.883544] the second lock's dependencies:
[ 614.900529] -> (&substream->self_group.lock){+...} ops: 124 {
[ 614.917932] initial-use at:
[ 614.927361] [<c012a38a>] lock_acquire+0x5e/0x80
[ 614.953074] [<c029075f>] _spin_lock+0x23/0x32
[ 614.978217] [<e09515f8>] snd_pcm_hw_params+0x29/0x26f [snd_pcm]
[ 615.008087] [<e0951b79>] snd_pcm_common_ioctl1+0x1f9/0xdc1 [snd_pcm]
[ 615.039229] [<e0952e90>] snd_pcm_playback_ioctl1+0x39c/0x3b3 [snd_pcm]
[ 615.070892] [<e0952ece>] snd_pcm_playback_ioctl+0x27/0x34 [snd_pcm]
[ 615.101773] [<c015ddec>] do_ioctl+0x20/0x65
[ 615.126424] [<c015e089>] vfs_ioctl+0x258/0x26b
[ 615.151852] [<c015e0c6>] sys_ioctl+0x2a/0x44
[ 615.176785] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 615.203720] in-hardirq-W at:
[ 615.213174] [<c012a38a>] lock_acquire+0x5e/0x80
[ 615.238863] [<c029075f>] _spin_lock+0x23/0x32
[ 615.264006] [<e09540bb>] snd_pcm_period_elapsed+0x37/0x200 [snd_pcm]
[ 615.295175] [<e099b47d>] snd_cs46xx_interrupt+0xa6/0x165 [snd_cs46xx]
[ 615.326576] [<c01336d2>] handle_IRQ_event+0x1f/0x4c
[ 615.353330] [<c0133782>] __do_IRQ+0x83/0xde
[ 615.377979] [<c0104e26>] do_IRQ+0x95/0xa7
[ 615.402135] [<c01031fd>] common_interrupt+0x25/0x2c
[ 615.428862] [<c01015cc>] cpu_idle+0x46/0x72
[ 615.453510] [<c0100257>] rest_init+0x37/0x39
[ 615.478393] [<c03b6691>] start_kernel+0x2c1/0x2c3
[ 615.504626] [<c0100199>] 0xc0100199
[ 615.527172] }
[ 615.532160] ... key at: [<e095ed90>] __key.15635+0x0/0xffff7bee [snd_pcm]
[ 615.554131] -> (&ins->scbs[index].lock){-...} ops: 3 {
[ 615.570287] initial-use at:
[ 615.580315] [<c012a38a>] lock_acquire+0x5e/0x80
[ 615.600755] [<c029075f>] _spin_lock+0x23/0x32
[ 615.620651] [<e099f6b9>] cs46xx_dsp_pcm_link+0x1f/0xf7 [snd_cs46xx]
[ 615.646288] [<e099a302>] snd_cs46xx_playback_trigger+0x7a/0xc9 [snd_cs46xx]
[ 615.673950] [<e094f45d>] snd_pcm_do_start+0x19/0x20 [snd_pcm]
[ 615.698054] [<e094f3c1>] snd_pcm_action_single+0x23/0x49 [snd_pcm]
[ 615.723428] [<e09503a7>] snd_pcm_action+0x66/0x72 [snd_pcm]
[ 615.746960] [<e095049a>] snd_pcm_start+0x14/0x16 [snd_pcm]
[ 615.770207] [<e095534e>] snd_pcm_lib_write1+0x38c/0x3fd [snd_pcm]
[ 615.795299] [<e095545d>] snd_pcm_lib_write+0x4b/0x59 [snd_pcm]
[ 615.819635] [<e0952b85>] snd_pcm_playback_ioctl1+0x91/0x3b3 [snd_pcm]
[ 615.845766] [<e0952ece>] snd_pcm_playback_ioctl+0x27/0x34 [snd_pcm]
[ 615.871401] [<c015ddec>] do_ioctl+0x20/0x65
[ 615.890804] [<c015e089>] vfs_ioctl+0x258/0x26b
[ 615.910958] [<c015e0c6>] sys_ioctl+0x2a/0x44
[ 615.930596] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 615.952283] hardirq-on-W at:
[ 615.962308] [<c012a38a>] lock_acquire+0x5e/0x80
[ 615.982778] [<c029075f>] _spin_lock+0x23/0x32
[ 616.002647] [<e099f95e>] cs46xx_dsp_remove_scb+0x1e/0xca [snd_cs46xx]
[ 616.028801] [<e099fbc6>] cs46xx_dsp_destroy_pcm_channel+0x52/0x7a [snd_cs46xx]
[ 616.057243] [<e0999466>] snd_cs46xx_playback_close+0x36/0x64 [snd_cs46xx]
[ 616.084437] [<e0950681>] snd_pcm_release_substream+0x3d/0x66 [snd_pcm]
[ 616.110827] [<e09506e5>] snd_pcm_release+0x3b/0xc3 [snd_pcm]
[ 616.134645] [<c014f7d4>] __fput+0xb1/0x1a4
[ 616.153761] [<c014f8dd>] fput+0x16/0x18
[ 616.172099] [<c0141058>] remove_vma+0x37/0x49
[ 616.191995] [<c014205d>] do_munmap+0x193/0x1ad
[ 616.212151] [<c01420aa>] sys_munmap+0x33/0x42
[ 616.232046] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 616.253760] }
[ 616.259319] ... key at: [<e09ac2a0>] __key.19769+0x0/0xffff3e4f [snd_cs46xx]
[ 616.282643] -> (&chip->reg_lock#2){....} ops: 22 {
[ 616.298383] initial-use at:
[ 616.308955] [<c012a38a>] lock_acquire+0x5e/0x80
[ 616.329681] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 616.351940] [<e099eb50>] _dsp_create_generic_scb+0x89/0xdd [snd_cs46xx]
[ 616.378875] [<e099ebec>] cs46xx_dsp_create_generic_scb+0x48/0x53 [snd_cs46xx]
[ 616.407369] [<e099f255>] cs46xx_dsp_create_codec_out_scb+0x54/0x5c [snd_cs46xx]
[ 616.436407] [<e099dea3>] cs46xx_dsp_scb_and_task_init+0x1d8/0x876 [snd_cs46xx]
[ 616.465160] [<e099ac6b>] snd_cs46xx_start_dsp+0x94/0x182 [snd_cs46xx]
[ 616.491577] [<e0999163>] snd_card_cs46xx_probe+0x144/0x1c1 [snd_cs46xx]
[ 616.518537] [<c01e17f6>] pci_device_probe+0x39/0x59
[ 616.540302] [<c02208a8>] driver_probe_device+0x45/0x98
[ 616.562822] [<c02209c8>] __driver_attach+0x5c/0x85
[ 616.584329] [<c021fed9>] bus_for_each_dev+0x3a/0x5f
[ 616.606067] [<c0220784>] driver_attach+0x14/0x17
[ 616.627030] [<c02201b8>] bus_add_driver+0x69/0xf6
[ 616.648275] [<c0220dd3>] driver_register+0x9d/0xa2
[ 616.669755] [<c01e1471>] __pci_register_driver+0x4f/0x6c
[ 616.692794] [<e08d0012>] ipt_hook+0x12/0x1e [iptable_filter]
[ 616.716898] [<c013017c>] sys_init_module+0x1345/0x14a6
[ 616.739443] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 616.761443] }
[ 616.767573] ... key at: [<e09ac288>] __key.21446+0x0/0xffff3e67 [snd_cs46xx]
[ 616.791469] ... acquired at:
[ 616.800923] [<c012a38a>] lock_acquire+0x5e/0x80
[ 616.815470] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 616.831545] [<e099f707>] cs46xx_dsp_pcm_link+0x6d/0xf7 [snd_cs46xx]
[ 616.851259] [<e099a302>] snd_cs46xx_playback_trigger+0x7a/0xc9 [snd_cs46xx]
[ 616.873053] [<e094f45d>] snd_pcm_do_start+0x19/0x20 [snd_pcm]
[ 616.891234] [<e094f3c1>] snd_pcm_action_single+0x23/0x49 [snd_pcm]
[ 616.910714] [<e09503a7>] snd_pcm_action+0x66/0x72 [snd_pcm]
[ 616.928377] [<e095049a>] snd_pcm_start+0x14/0x16 [snd_pcm]
[ 616.945752] [<e095534e>] snd_pcm_lib_write1+0x38c/0x3fd [snd_pcm]
[ 616.964948] [<e095545d>] snd_pcm_lib_write+0x4b/0x59 [snd_pcm]
[ 616.983389] [<e0952b85>] snd_pcm_playback_ioctl1+0x91/0x3b3 [snd_pcm]
[ 617.003649] [<e0952ece>] snd_pcm_playback_ioctl+0x27/0x34 [snd_pcm]
[ 617.023389] [<c015ddec>] do_ioctl+0x20/0x65
[ 617.036894] [<c015e089>] vfs_ioctl+0x258/0x26b
[ 617.051181] [<c015e0c6>] sys_ioctl+0x2a/0x44
[ 617.064946] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 617.080791]
[ 617.085259] ... acquired at:
[ 617.094141] [<c012a38a>] lock_acquire+0x5e/0x80
[ 617.108685] [<c029075f>] _spin_lock+0x23/0x32
[ 617.122711] [<e099f6b9>] cs46xx_dsp_pcm_link+0x1f/0xf7 [snd_cs46xx]
[ 617.142453] [<e099a302>] snd_cs46xx_playback_trigger+0x7a/0xc9 [snd_cs46xx]
[ 617.164269] [<e094f45d>] snd_pcm_do_start+0x19/0x20 [snd_pcm]
[ 617.182452] [<e094f3c1>] snd_pcm_action_single+0x23/0x49 [snd_pcm]
[ 617.201905] [<e09503a7>] snd_pcm_action+0x66/0x72 [snd_pcm]
[ 617.219569] [<e095049a>] snd_pcm_start+0x14/0x16 [snd_pcm]
[ 617.236970] [<e095534e>] snd_pcm_lib_write1+0x38c/0x3fd [snd_pcm]
[ 617.256191] [<e095545d>] snd_pcm_lib_write+0x4b/0x59 [snd_pcm]
[ 617.274633] [<e0952b85>] snd_pcm_playback_ioctl1+0x91/0x3b3 [snd_pcm]
[ 617.294891] [<e0952ece>] snd_pcm_playback_ioctl+0x27/0x34 [snd_pcm]
[ 617.314631] [<c015ddec>] do_ioctl+0x20/0x65
[ 617.328139] [<c015e089>] vfs_ioctl+0x258/0x26b
[ 617.342423] [<c015e0c6>] sys_ioctl+0x2a/0x44
[ 617.356190] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 617.372034]
[ 617.376501] -> (&timer->lock){....} ops: 2 {
[ 617.390034] initial-use at:
[ 617.400060] [<c012a38a>] lock_acquire+0x5e/0x80
[ 617.420500] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 617.442475] [<e08645f0>] snd_timer_notify+0x2c/0xf2 [snd_timer]
[ 617.467098] [<e094f4cf>] snd_pcm_post_start+0x51/0x56 [snd_pcm]
[ 617.491669] [<e094f3cf>] snd_pcm_action_single+0x31/0x49 [snd_pcm]
[ 617.517044] [<e09503a7>] snd_pcm_action+0x66/0x72 [snd_pcm]
[ 617.540551] [<e095049a>] snd_pcm_start+0x14/0x16 [snd_pcm]
[ 617.563823] [<e095534e>] snd_pcm_lib_write1+0x38c/0x3fd [snd_pcm]
[ 617.588915] [<e095545d>] snd_pcm_lib_write+0x4b/0x59 [snd_pcm]
[ 617.613252] [<e0952b85>] snd_pcm_playback_ioctl1+0x91/0x3b3 [snd_pcm]
[ 617.639382] [<e0952ece>] snd_pcm_playback_ioctl+0x27/0x34 [snd_pcm]
[ 617.665018] [<c015ddec>] do_ioctl+0x20/0x65
[ 617.684420] [<c015e089>] vfs_ioctl+0x258/0x26b
[ 617.704601] [<c015e0c6>] sys_ioctl+0x2a/0x44
[ 617.724238] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 617.745977] }
[ 617.751536] ... key at: [<e0868c98>] __key.15468+0x0/0xffffd7f8 [snd_timer]
[ 617.774601] ... acquired at:
[ 617.783484] [<c012a38a>] lock_acquire+0x5e/0x80
[ 617.798028] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 617.814133] [<e08645f0>] snd_timer_notify+0x2c/0xf2 [snd_timer]
[ 617.832834] [<e094f4cf>] snd_pcm_post_start+0x51/0x56 [snd_pcm]
[ 617.851534] [<e094f3cf>] snd_pcm_action_single+0x31/0x49 [snd_pcm]
[ 617.871014] [<e09503a7>] snd_pcm_action+0x66/0x72 [snd_pcm]
[ 617.888651] [<e095049a>] snd_pcm_start+0x14/0x16 [snd_pcm]
[ 617.906053] [<e095534e>] snd_pcm_lib_write1+0x38c/0x3fd [snd_pcm]
[ 617.925249] [<e095545d>] snd_pcm_lib_write+0x4b/0x59 [snd_pcm]
[ 617.943664] [<e0952b85>] snd_pcm_playback_ioctl1+0x91/0x3b3 [snd_pcm]
[ 617.963924] [<e0952ece>] snd_pcm_playback_ioctl+0x27/0x34 [snd_pcm]
[ 617.983664] [<c015ddec>] do_ioctl+0x20/0x65
[ 617.997142] [<c015e089>] vfs_ioctl+0x258/0x26b
[ 618.011402] [<c015e0c6>] sys_ioctl+0x2a/0x44
[ 618.025169] [<c0102791>] sysenter_past_esp+0x56/0x8d
[ 618.041013]
[ 618.045480] -> (&waitqueue_lock_key){++..} ops: 108332 {
[ 618.062156] initial-use at:
[ 618.072181] [<c012a38a>] lock_acquire+0x5e/0x80
[ 618.092596] [<c0290a0f>] _spin_lock_irq+0x29/0x38
[ 618.113531] [<c028ed84>] wait_for_completion+0x24/0xaf
[ 618.135740] [<c012424b>] keventd_create_kthread+0x2b/0x57
[ 618.158803] [<c0124450>] kthread_create+0xdb/0x121
[ 618.179999] [<c0118363>] cpu_callback+0x49/0x8e
[ 618.200440] [<c03c1a9a>] spawn_ksoftirqd+0x1c/0x32
[ 618.221661] [<c01002bb>] init+0x26/0x213
[ 618.240284] [<c0100add>] kernel_thread_helper+0x5/0xb
[ 618.262256] in-hardirq-W at:
[ 618.272282] [<c012a38a>] lock_acquire+0x5e/0x80
[ 618.292698] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 618.314671] [<c010ff63>] complete+0x12/0x3e
[ 618.334049] [<c01c4ab1>] blk_end_sync_rq+0x1f/0x22
[ 618.355270] [<c01c4a81>] end_that_request_last+0x7f/0x90
[ 618.378073] [<c0229e6b>] ide_end_drive_cmd+0x2ba/0x2ce
[ 618.400282] [<c022e68a>] task_no_data_intr+0x60/0x68
[ 618.422021] [<c022aaf6>] ide_intr+0x147/0x1a7
[ 618.441891] [<c01336d2>] handle_IRQ_event+0x1f/0x4c
[ 618.463346] [<c0133782>] __do_IRQ+0x83/0xde
[ 618.482723] [<c0104e26>] do_IRQ+0x95/0xa7
[ 618.501631] [<c01031fd>] common_interrupt+0x25/0x2c
[ 618.523085] [<c01015cc>] cpu_idle+0x46/0x72
[ 618.542488] [<c0100257>] rest_init+0x37/0x39
[ 618.562124] [<c03b6691>] start_kernel+0x2c1/0x2c3
[ 618.583084] [<c0100199>] 0xc0100199
[ 618.600358] in-softirq-W at:
[ 618.610384] [<c012a38a>] lock_acquire+0x5e/0x80
[ 618.630772] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 618.652773] [<c010ff63>] complete+0x12/0x3e
[ 618.672122] [<c0122728>] wakeme_after_rcu+0xb/0xd
[ 618.693057] [<c012260c>] __rcu_process_callbacks+0xff/0x153
[ 618.716590] [<c0122672>] rcu_process_callbacks+0x12/0x23
[ 618.739369] [<c01183ed>] tasklet_action+0x45/0x76
[ 618.760303] [<c0118a4c>] __do_softirq+0x55/0xae
[ 618.780746] [<c0104d2c>] do_softirq+0x58/0xbd
[ 618.800614] }
[ 618.806173] ... key at: [<c03efd98>] waitqueue_lock_key+0x0/0x8
[ 618.826122] -> (&rq->rq_lock_key){++..} ops: 422511 {
[ 618.842589] initial-use at:
[ 618.853159] [<c012a38a>] lock_acquire+0x5e/0x80
[ 618.873888] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 618.896171] [<c011018f>] init_idle+0x4c/0x72
[ 618.916093] [<c03c154c>] sched_init+0xba/0xbd
[ 618.936302] [<c03b642e>] start_kernel+0x5e/0x2c3
[ 618.957288] [<c0100199>] 0xc0100199
[ 618.974899] in-hardirq-W at:
[ 618.985470] [<c012a38a>] lock_acquire+0x5e/0x80
[ 619.006222] [<c029075f>] _spin_lock+0x23/0x32
[ 619.026405] [<c011120b>] scheduler_tick+0xa8/0x2ab
[ 619.047938] [<c011b642>] update_process_times+0x59/0x65
[ 619.070715] [<c0105891>] timer_interrupt+0x5e/0x96
[ 619.092247] [<c01336d2>] handle_IRQ_event+0x1f/0x4c
[ 619.113988] [<c0133782>] __do_IRQ+0x83/0xde
[ 619.133702] [<c0104e26>] do_IRQ+0x95/0xa7
[ 619.152872] [<c01031fd>] common_interrupt+0x25/0x2c
[ 619.174635] [<c010ca23>] clear_IO_APIC_pin+0x83/0x11f
[ 619.196896] [<c010cad2>] clear_IO_APIC+0x13/0x2d
[ 619.217908] [<c03bfe8b>] setup_IO_APIC+0x217/0xb62
[ 619.239388] [<c03becc8>] APIC_init_uniprocessor+0xd2/0xe0
[ 619.262713] [<c01002c5>] init+0x30/0x213
[ 619.281622] [<c0100add>] kernel_thread_helper+0x5/0xb
[ 619.303907] in-softirq-W at:
[ 619.314480] [<c012a38a>] lock_acquire+0x5e/0x80
[ 619.335206] [<c029075f>] _spin_lock+0x23/0x32
[ 619.355439] [<c011120b>] scheduler_tick+0xa8/0x2ab
[ 619.376947] [<c011b642>] update_process_times+0x59/0x65
[ 619.399776] [<c0105891>] timer_interrupt+0x5e/0x96
[ 619.421282] [<c01336d2>] handle_IRQ_event+0x1f/0x4c
[ 619.443049] [<c0133782>] __do_IRQ+0x83/0xde
[ 619.462738] [<c0104e26>] do_IRQ+0x95/0xa7
[ 619.481933] [<c01031fd>] common_interrupt+0x25/0x2c
[ 619.503671] [<c014f4af>] file_free_rcu+0xf/0x11
[ 619.524398] [<c012260c>] __rcu_process_callbacks+0xff/0x153
[ 619.548217] [<c0122672>] rcu_process_callbacks+0x12/0x23
[ 619.571308] [<c01183ed>] tasklet_action+0x45/0x76
[ 619.592553] [<c0118a4c>] __do_softirq+0x55/0xae
[ 619.613280] [<c0104d2c>] do_softirq+0x58/0xbd
[ 619.633462] }
[ 619.639592] ... key at: [<c03e938c>] per_cpu__runqueues+0x98c/0x994
[ 619.661150] ... acquired at:
[ 619.670604] [<c012a38a>] lock_acquire+0x5e/0x80
[ 619.685124] [<c029075f>] _spin_lock+0x23/0x32
[ 619.699150] [<c01106e0>] task_rq_lock+0x17/0x1e
[ 619.713696] [<c0110bb5>] try_to_wake_up+0x18/0x108
[ 619.729020] [<c0110cb0>] default_wake_function+0xb/0xd
[ 619.745382] [<c010fe9d>] __wake_up_common+0x2f/0x53
[ 619.760942] [<c010ff7c>] complete+0x2b/0x3e
[ 619.774447] [<c0124526>] kthread+0x90/0xdb
[ 619.787694] [<c0100add>] kernel_thread_helper+0x5/0xb
[ 619.803799]
[ 619.808265] ... acquired at:
[ 619.817149] [<c012a38a>] lock_acquire+0x5e/0x80
[ 619.831694] [<c0290abe>] _spin_lock_irqsave+0x2c/0x3c
[ 619.847797] [<c010fed4>] __wake_up+0x13/0x39
[ 619.861537] [<e0954218>] snd_pcm_period_elapsed+0x194/0x200 [snd_pcm]
[ 619.881797] [<e099b47d>] snd_cs46xx_interrupt+0xa6/0x165 [snd_cs46xx]
[ 619.902057] [<c01336d2>] handle_IRQ_event+0x1f/0x4c
[ 619.917641] [<c0133782>] __do_IRQ+0x83/0xde
[ 619.931147] [<c0104e26>] do_IRQ+0x95/0xa7
[ 619.944107] [<c01031fd>] common_interrupt+0x25/0x2c
[ 619.959666] [<c01015cc>] cpu_idle+0x46/0x72
[ 619.973173] [<c0100257>] rest_init+0x37/0x39
[ 619.986939] [<c03b6691>] start_kernel+0x2c1/0x2c3
[ 620.002003] [<c0100199>] 0xc0100199
[ 620.013432]
[ 620.017900]
[ 620.017901] stack backtrace:
[ 620.031230] [<c010398b>] show_trace_log_lvl+0x54/0xfd
[ 620.046673] [<c0104aaa>] show_trace+0xd/0x10
[ 620.059765] [<c0104ac4>] dump_stack+0x17/0x1b
[ 620.073115] [<c012895b>] print_irq_inversion_bug+0xe1/0xee
[ 620.089971] [<c01289d5>] check_usage_backwards+0x32/0x3b
[ 620.106306] [<c0129262>] mark_lock+0x1ff/0x349
[ 620.120048] [<c0129af7>] __lock_acquire+0x41d/0x9d3
[ 620.135087] [<c012a38a>] lock_acquire+0x5e/0x80
[ 620.149086] [<c029075f>] _spin_lock+0x23/0x32
[ 620.162573] [<e099f95e>] cs46xx_dsp_remove_scb+0x1e/0xca [snd_cs46xx]
[ 620.182194] [<e099fbc6>] cs46xx_dsp_destroy_pcm_channel+0x52/0x7a [snd_cs46xx]
[ 620.204122] [<e0999466>] snd_cs46xx_playback_close+0x36/0x64 [snd_cs46xx]
[ 620.224733] [<e0950681>] snd_pcm_release_substream+0x3d/0x66 [snd_pcm]
[ 620.244585] [<e09506e5>] snd_pcm_release+0x3b/0xc3 [snd_pcm]
[ 620.261830] [<c014f7d4>] __fput+0xb1/0x1a4
[ 620.274657] [<c014f8dd>] fput+0x16/0x18
[ 620.286687] [<c0141058>] remove_vma+0x37/0x49
[ 620.300239] [<c014205d>] do_munmap+0x193/0x1ad
[ 620.314059] [<c01420aa>] sys_munmap+0x33/0x42
[ 620.327616] [<c0102791>] sysenter_past_esp+0x56/0x8d
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