Re: 2.6.17-rt8 crash amd64
From: hui
Date: Wed Aug 02 2006 - 03:11:52 EST
On Tue, Aug 01, 2006 at 07:25:39PM -0700, Bill Huey wrote:
> On Tue, Aug 01, 2006 at 07:19:56PM -0700, Bill Huey wrote:
>
> It's already compiling with frame pointers. Unfortunately, this is about
> as good it gets for a stack trace unless you've got another suggestion.
More of the same. Looks like a lock was missed in the VM.
bill
* INIT: Id "T4" respawning too fast: disabled for 5 minutes
* INIT: Id "T5" respawning too fast: disabled for 5 minutes
[ 3254.657547] BUG: scheduling while atomic: mv/0x00000001/5222
[ 3254.663380]
[ 3254.663381] Call Trace:
[ 3254.667255] <ffffffff8025ef25>{__schedule+155}
[ 3254.672491]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3254.679151] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3254.685538] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3254.691121] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3254.697243] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3254.702827] <ffffffff8025fd49>{schedule+236}
[ 3254.707872] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3254.713638]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3254.720296] <ffffffff8026113d>{__lock_text_start+13}
[ 3254.726056] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3254.731640]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3254.738297] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3254.743972] <ffffffff8022e29f>{__free_pages+48}
[ 3254.749284] <ffffffff802365bb>{free_pages+133}
[ 3254.754508] <ffffffff8025a8e3>{free_task+24}
[ 3254.759553] <ffffffff802474b7>{__put_task_struct+189}
[ 3254.765404] <ffffffff8025fa84>{thread_return+208}
[ 3254.770899]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3254.777555] <ffffffff8025fbab>{preempt_schedule+85}
[ 3254.783226]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3254.789882] <ffffffff802994b0>{rt_mutex_adjust_prio+50}
[ 3254.795911] <ffffffff80260bb5>{rt_lock_slowunlock+99}
[ 3254.801762] <ffffffff80261148>{rt_unlock+9}
[ 3254.806715] <ffffffff8020c585>{dput+213}
[ 3254.811404] <ffffffff80211809>{__fput+293}
[ 3254.816272] <ffffffff8022d4dd>{fput+20}
[ 3254.820869] <ffffffff8021adbe>{remove_vma+74}
[ 3254.826005] <ffffffff80210cf9>{do_munmap+631}
[ 3254.831143] <ffffffff80215f8d>{sys_munmap+64}
[ 3254.836278] <ffffffff8025df02>{ia32_sysret+0}
[ 3254.841606] ---------------------------
[ 3254.845554] | preempt count: 00000001 ]
[ 3254.849503] | 1-level deep critical section nesting:
[ 3254.854614] ----------------------------------------
[ 3254.859725] .. [<ffffffff8025ef3d>] .... __schedule+0xb3/0xb2a
[ 3254.865743] .....[<ffffffff8025fbab>] .. ( <=
preempt_schedule+0x55/0x8f)
[ 3254.872923]
[ 3254.882567] BUG: scheduling while atomic: mv/0x00000001/5222
[ 3254.888406]
[ 3254.888407] Call Trace:
[ 3254.892279] <ffffffff8025ef25>{__schedule+155}
[ 3254.897508]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3254.904168] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3254.910556] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3254.916140] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3254.922261] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3254.927841] <ffffffff8025fd49>{schedule+236}
[ 3254.932883] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3254.938650]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3254.945308] <ffffffff8026113d>{__lock_text_start+13}
[ 3254.951068] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3254.956651]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3254.963307] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3254.968984] <ffffffff8022e29f>{__free_pages+48}
[ 3254.974298] <ffffffff802365bb>{free_pages+133}
[ 3254.979523] <ffffffff8025a8e3>{free_task+24}
[ 3254.984569] <ffffffff802474b7>{__put_task_struct+189}
[ 3254.990420] <ffffffff8025fa84>{thread_return+208}
[ 3254.995916]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3255.002572] <ffffffff8025fbab>{preempt_schedule+85}
[ 3255.008244]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3255.014899] <ffffffff802994b0>{rt_mutex_adjust_prio+50}
[ 3255.020929] <ffffffff80260bb5>{rt_lock_slowunlock+99}
[ 3255.026778] <ffffffff80261148>{rt_unlock+9}
[ 3255.031731] <ffffffff8020c585>{dput+213}
[ 3255.036420] <ffffffff80211809>{__fput+293}
[ 3255.041287] <ffffffff8022d4dd>{fput+20}
[ 3255.045882] <ffffffff8021adbe>{remove_vma+74}
[ 3255.051015] <ffffffff80210cf9>{do_munmap+631}
[ 3255.056151] <ffffffff80215f8d>{sys_munmap+64}
[ 3255.061285] <ffffffff8025df02>{ia32_sysret+0}
[ 3255.066616] ---------------------------
[ 3255.070563] | preempt count: 00000001 ]
[ 3255.074512] | 1-level deep critical section nesting:
[ 3255.079623] ----------------------------------------
[ 3255.084734] .. [<ffffffff8025ef3d>] .... __schedule+0xb3/0xb2a
[ 3255.090753] .....[<ffffffff8025fbab>] .. ( <=
preempt_schedule+0x55/0x8f)
[ 3255.097932]
[ 3255.104620] BUG: scheduling while atomic: mv/0x00000001/5222
[ 3255.110455]
[ 3255.110456] Call Trace:
[ 3255.114330] <ffffffff8025ef25>{__schedule+155}
[ 3255.119556]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3255.126216] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3255.132604] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3255.138188] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3255.144307] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3255.149886] <ffffffff8025fd49>{schedule+236}
[ 3255.154930] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3255.160696]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3255.167352] <ffffffff8026113d>{__lock_text_start+13}
[ 3255.173110] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3255.178692]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3255.185349] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3255.191020] <ffffffff8022e29f>{__free_pages+48}
[ 3255.196332] <ffffffff802365bb>{free_pages+133}
[ 3255.201556] <ffffffff8025a8e3>{free_task+24}
[ 3255.206602] <ffffffff802474b7>{__put_task_struct+189}
[ 3255.212451] <ffffffff8025fa84>{thread_return+208}
[ 3255.217945]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3255.224603] <ffffffff8025fbab>{preempt_schedule+85}
[ 3255.230273]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3255.236928] <ffffffff802994b0>{rt_mutex_adjust_prio+50}
[ 3255.242957] <ffffffff80260bb5>{rt_lock_slowunlock+99}
[ 3255.248807] <ffffffff80261148>{rt_unlock+9}
[ 3255.253759] <ffffffff8020c585>{dput+213}
[ 3255.258444] <ffffffff80211809>{__fput+293}
[ 3255.263311] <ffffffff8022d4dd>{fput+20}
[ 3255.267906] <ffffffff8021adbe>{remove_vma+74}
[ 3255.273041] <ffffffff80210cf9>{do_munmap+631}
[ 3255.278177] <ffffffff80215f8d>{sys_munmap+64}
[ 3255.283310] <ffffffff8025df02>{ia32_sysret+0}
[ 3255.288638] ---------------------------
[ 3255.292586] | preempt count: 00000001 ]
[ 3255.296533] | 1-level deep critical section nesting:
[ 3255.301646] ----------------------------------------
[ 3255.306759] .. [<ffffffff8025ef3d>] .... __schedule+0xb3/0xb2a
[ 3255.312777] .....[<ffffffff8025fbab>] .. ( <=
preempt_schedule+0x55/0x8f)
[ 3255.319959]
[ 3256.253417] BUG: scheduling while atomic: cc1/0x00000001/5281
[ 3256.259343]
[ 3256.259344] Call Trace:
[ 3256.263217] <ffffffff8025ef25>{__schedule+155}
[ 3256.268446]
<ffffffff802616c2>{_raw_spin_unlock_irqrestore+72}
[ 3256.275103] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3256.281490] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3256.287073] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3256.293196] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3256.298779] <ffffffff8025fd49>{schedule+236}
[ 3256.303824] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3256.309592]
<ffffffff802616c2>{_raw_spin_unlock_irqrestore+72}
[ 3256.316248] <ffffffff8026113d>{__lock_text_start+13}
[ 3256.322006] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3256.327588]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3256.334243] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3256.339917] <ffffffff8022e29f>{__free_pages+48}
[ 3256.345229] <ffffffff802365bb>{free_pages+133}
[ 3256.350454] <ffffffff8025a8e3>{free_task+24}
[ 3256.355502] <ffffffff802474b7>{__put_task_struct+189}
[ 3256.361353] <ffffffff8025fa84>{thread_return+208}
[ 3256.366852] <ffffffff8025fd49>{schedule+236}
[ 3256.371898] <ffffffff8025c47f>{retint_careful+15}
[ 3256.377586] ---------------------------
[ 3256.381533] | preempt count: 00000001 ]
[ 3256.385481] | 1-level deep critical section nesting:
[ 3256.390592] ----------------------------------------
[ 3256.395704] .. [<ffffffff8025ef3d>] .... __schedule+0xb3/0xb2a
[ 3256.401723] .....[<ffffffff8025fd49>] .. ( <=
schedule+0xec/0x11e)
[ 3256.408278]
[ 3256.787232] BUG: scheduling while atomic: make/0x00000001/5314
[ 3256.793246]
[ 3256.793247] Call Trace:
[ 3256.797118] <ffffffff8025ef25>{__schedule+155}
[ 3256.802342]
<ffffffff802616c2>{_raw_spin_unlock_irqrestore+72}
[ 3256.808998] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3256.815386] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3256.820971] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3256.827090] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3256.832671] <ffffffff8025fd49>{schedule+236}
[ 3256.837716] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3256.843480]
<ffffffff802616c2>{_raw_spin_unlock_irqrestore+72}
[ 3256.850137] <ffffffff8026113d>{__lock_text_start+13}
[ 3256.855898] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3256.861479]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3256.868135] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3256.873807] <ffffffff8022e29f>{__free_pages+48}
[ 3256.879121] <ffffffff802365bb>{free_pages+133}
[ 3256.884345] <ffffffff8025a8e3>{free_task+24}
[ 3256.889391] <ffffffff802474b7>{__put_task_struct+189}
[ 3256.895240] <ffffffff80227a18>{schedule_tail+184}
[ 3256.900732] <ffffffff8025bdd1>{ret_from_fork+5}
[ 3256.906242] ---------------------------
[ 3256.910190] | preempt count: 00000001 ]
[ 3256.914140] | 1-level deep critical section nesting:
[ 3256.919250] ----------------------------------------
[ 3256.924363] .. [<ffffffff8026129a>] .... _raw_spin_lock+0x13/0x20
[ 3256.930650] .....[<ffffffff80260b60>] .. ( <=
rt_lock_slowunlock+0xe/0x67)
[ 3256.937921]
[ 3259.553268] BUG: scheduling while atomic: cc1/0x00000001/5428
[ 3259.559191]
[ 3259.559192] Call Trace:
[ 3259.563065] <ffffffff8025ef25>{__schedule+155}
[ 3259.568292]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3259.574949] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3259.581345] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3259.586929] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3259.593049] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3259.598630] <ffffffff8025fd49>{schedule+236}
[ 3259.603675] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3259.609441]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3259.616100] <ffffffff8026113d>{__lock_text_start+13}
[ 3259.621861] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3259.627441]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3259.634099] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3259.639773] <ffffffff8022e29f>{__free_pages+48}
[ 3259.645087] <ffffffff802365bb>{free_pages+133}
[ 3259.650312] <ffffffff8025a8e3>{free_task+24}
[ 3259.655360] <ffffffff802474b7>{__put_task_struct+189}
[ 3259.661209] <ffffffff8025fa84>{thread_return+208}
[ 3259.666704]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3259.673361] <ffffffff8025fbab>{preempt_schedule+85}
[ 3259.679032] <ffffffff80261776>{_raw_spin_unlock+55}
[ 3259.684702] <ffffffff80260b90>{rt_lock_slowunlock+62}
[ 3259.690550] <ffffffff80261148>{rt_unlock+9}
[ 3259.695503] <ffffffff8029aa02>{atomic_dec_and_spin_lock+44}
[ 3259.701893] <ffffffff8020c4e9>{dput+57}
[ 3259.706490] <ffffffff80209396>{__link_path_walk+1617}
[ 3259.712347] <ffffffff8020db81>{link_path_walk+103}
[ 3259.717931] <ffffffff80215e38>{get_unused_fd+251}
[ 3259.723430] <ffffffff8020be5a>{do_path_lookup+644}
[ 3259.729015] <ffffffff8022360b>{__path_lookup_intent_open+89}
[ 3259.735497] <ffffffff802c1b0c>{path_lookup_open+12}
[ 3259.741169] <ffffffff8021b0c5>{open_namei+144}
[ 3259.746398] <ffffffff80227736>{do_filp_open+38}
[ 3259.751719] <ffffffff80219e0a>{do_sys_open+77}
[ 3259.756946] <ffffffff802d1528>{compat_sys_open+21}
[ 3259.762527] <ffffffff8025df02>{ia32_sysret+0}
[ 3259.767859] ---------------------------
[ 3259.771807] | preempt count: 00000001 ]
[ 3259.775755] | 1-level deep critical section nesting:
[ 3259.780867] ----------------------------------------
[ 3259.785977] .. [<ffffffff8025ef3d>] .... __schedule+0xb3/0xb2a
[ 3259.791996] .....[<ffffffff8025fbab>] .. ( <=
preempt_schedule+0x55/0x8f)
[ 3259.799176]
[ 3259.803837] BUG: scheduling while atomic: cc1/0x00000001/5428
[ 3259.809760]
[ 3259.809761] Call Trace:
[ 3259.813633] <ffffffff8025ef25>{__schedule+155}
[ 3259.818863] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3259.825250] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3259.830832] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3259.836953] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3259.842535] <ffffffff8025fd49>{schedule+236}
[ 3259.847578] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3259.853351]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3259.860008] <ffffffff8026113d>{__lock_text_start+13}
[ 3259.865768] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3259.871350]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3259.878008] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3259.883683] <ffffffff8022e29f>{__free_pages+48}
[ 3259.888995] <ffffffff802365bb>{free_pages+133}
[ 3259.894221] <ffffffff8025a8e3>{free_task+24}
[ 3259.899266] <ffffffff802474b7>{__put_task_struct+189}
[ 3259.905115] <ffffffff8025fa84>{thread_return+208}
[ 3259.910610]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3259.917271] <ffffffff8025fbab>{preempt_schedule+85}
[ 3259.922940] <ffffffff80261776>{_raw_spin_unlock+55}
[ 3259.928610] <ffffffff80260b90>{rt_lock_slowunlock+62}
[ 3259.934459] <ffffffff80261148>{rt_unlock+9}
[ 3259.939414] <ffffffff8029aa02>{atomic_dec_and_spin_lock+44}
[ 3259.945802] <ffffffff8020c4e9>{dput+57}
[ 3259.950402] <ffffffff80209396>{__link_path_walk+1617}
[ 3259.956257] <ffffffff8020db81>{link_path_walk+103}
[ 3259.961841] <ffffffff80215e38>{get_unused_fd+251}
[ 3259.967340] <ffffffff8020be5a>{do_path_lookup+644}
[ 3259.972924] <ffffffff8022360b>{__path_lookup_intent_open+89}
[ 3259.979402] <ffffffff802c1b0c>{path_lookup_open+12}
[ 3259.985073] <ffffffff8021b0c5>{open_namei+144}
[ 3259.990303] <ffffffff80227736>{do_filp_open+38}
[ 3259.995622] <ffffffff80219e0a>{do_sys_open+77}
[ 3260.000849] <ffffffff802d1528>{compat_sys_open+21}
[ 3260.006431] <ffffffff8025df02>{ia32_sysret+0}
[ 3260.011762] ---------------------------
[ 3260.015710] | preempt count: 00000001 ]
[ 3260.019657] | 1-level deep critical section nesting:
[ 3260.024769] ----------------------------------------
[ 3260.029881] .. [<ffffffff8025ef3d>] .... __schedule+0xb3/0xb2a
[ 3260.035898] .....[<ffffffff8025fbab>] .. ( <=
preempt_schedule+0x55/0x8f)
[ 3260.043077]
[ 3273.447899] BUG: scheduling while atomic: ld/0x00000001/6045
[ 3273.453733]
[ 3273.453734] Call Trace:
[ 3273.457608] <ffffffff8025ef25>{__schedule+155}
[ 3273.462836]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3273.469496] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3273.475884] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3273.481468] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3273.487589] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3273.493172] <ffffffff8025fd49>{schedule+236}
[ 3273.498216] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3273.503985]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3273.510642] <ffffffff8026113d>{__lock_text_start+13}
[ 3273.516403] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3273.521985]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3273.528641] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3273.534317] <ffffffff8022e29f>{__free_pages+48}
[ 3273.539630] <ffffffff802365bb>{free_pages+133}
[ 3273.544855] <ffffffff8025a8e3>{free_task+24}
[ 3273.549900] <ffffffff802474b7>{__put_task_struct+189}
[ 3273.555753] <ffffffff8025fa84>{thread_return+208}
[ 3273.561250]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3273.567907] <ffffffff8025fbab>{preempt_schedule+85}
[ 3273.573578]
<ffffffff802616cb>{_raw_spin_unlock_irqrestore+81}
[ 3273.580234] <ffffffff802994b0>{rt_mutex_adjust_prio+50}
[ 3273.586264] <ffffffff80260bb5>{rt_lock_slowunlock+99}
[ 3273.592114] <ffffffff80261148>{rt_unlock+9}
[ 3273.597071] <ffffffff8020fb7c>{__mod_page_state_offset+100}
[ 3273.603466] <ffffffff8020e887>{mod_page_state_offset+73}
[ 3273.609585] <ffffffff80208378>{__handle_mm_fault+62}
[ 3273.615346] <ffffffff80299473>{rt_mutex_slowtrylock+144}
[ 3273.621467] <ffffffff802638ba>{do_page_fault+1072}
[ 3273.627054] <ffffffff8025fa8e>{thread_return+218}
[ 3273.632551] <ffffffff8025cdf5>{error_exit+0}
[ 3273.637796] ---------------------------
[ 3273.641743] | preempt count: 00000001 ]
[ 3273.645692] | 1-level deep critical section nesting:
[ 3273.650803] ----------------------------------------
[ 3273.655915] .. [<ffffffff8025ef3d>] .... __schedule+0xb3/0xb2a
[ 3273.661932] .....[<ffffffff8025fbab>] .. ( <=
preempt_schedule+0x55/0x8f)
[ 3273.669113]
[ 3294.784449] BUG: scheduling while atomic: make/0x00000001/7072
[ 3294.790461]
[ 3294.790462] Call Trace:
[ 3294.794335] <ffffffff8025ef25>{__schedule+155}
[ 3294.799564]
<ffffffff802616c2>{_raw_spin_unlock_irqrestore+72}
[ 3294.806221] <ffffffff80299218>{task_blocks_on_rt_mutex+497}
[ 3294.812608] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3294.818190] <ffffffff80291736>{find_task_by_pid_type+24}
[ 3294.824309] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3294.829889] <ffffffff8025fd49>{schedule+236}
[ 3294.834936] <ffffffff8026074f>{rt_lock_slowlock+351}
[ 3294.840701]
<ffffffff802616c2>{_raw_spin_unlock_irqrestore+72}
[ 3294.847356] <ffffffff8026113d>{__lock_text_start+13}
[ 3294.853114] <ffffffff802a81f7>{free_pages_bulk+42}
[ 3294.858696]
<ffffffff802616a6>{_raw_spin_unlock_irqrestore+44}
[ 3294.865354] <ffffffff802a86ad>{__free_pages_ok+428}
[ 3294.871027] <ffffffff8022e29f>{__free_pages+48}
[ 3294.876340] <ffffffff802365bb>{free_pages+133}
[ 3294.881565] <ffffffff8025a8e3>{free_task+24}
[ 3294.886619] <ffffffff802474b7>{__put_task_struct+189}
[ 3294.892471] <ffffffff80227a18>{schedule_tail+184}
[ 3294.897964] <ffffffff8025bdd1>{ret_from_fork+5}
[ 3294.903475] ---------------------------
[ 3294.907424] | preempt count: 00000001 ]
[ 3294.911372] | 1-level deep critical section nesting:
[ 3294.916484] ----------------------------------------
[ 3294.921595] .. [<ffffffff8026129a>] .... _raw_spin_lock+0x13/0x20
[ 3294.927883] .....[<ffffffff80260b60>] .. ( <=
rt_lock_slowunlock+0xe/0x67)
[ 3294.935155]
[ 3309.174697] B
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