[ 756.014244] nipa-hw-worker: drivers/net:napi_threaded.py: timed out
[ 756.016721] nipa-hw-worker: [4/38] Retrying drivers/net:napi_threaded.py
[ 756.155386] kselftest: Running tests in drivers/net
[ 989.753450] INFO: task python3:4964 blocked for more than 122 seconds.
[ 989.761661] Not tainted 7.0.0-rc5-cuot-gfff5ea94b0c8 #1
[ 989.768913] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 989.778501] task:python3 state:D stack:25312 pid:4964 tgid:4964 ppid:4963 task_flags:0x400100 flags:0x00080000
[ 989.791706] Call Trace:
[ 989.795243]
[ 989.798392] __schedule+0xad9/0x1490
[ 989.803208] ? io_schedule_timeout+0x130/0x130
[ 989.808991] ? find_held_lock+0x2b/0x80
[ 989.814095] ? __lock_release.isra.0+0x59/0x170
[ 989.819981] schedule+0xd4/0x260
[ 989.824400] schedule_preempt_disabled+0x18/0x30
[ 989.830378] __mutex_lock+0xd76/0x1f20
[ 989.835383] ? threaded_store+0x132/0x220
[ 989.840682] ? ww_mutex_lock+0x160/0x160
[ 989.845878] ? selinux_inode_free_security+0x310/0x310
[ 989.852449] ? cap_capable+0x1ed/0x3f0
[ 989.857453] ? sysfs_file_ops+0x140/0x140
[ 989.862741] ? threaded_store+0x132/0x220
[ 989.868038] threaded_store+0x132/0x220
[ 989.873141] ? tx_maxrate_store+0x4e0/0x4e0
[ 989.878635] ? sysfs_file_ops+0x140/0x140
[ 989.883931] ? sysfs_file_kobj+0xbd/0x1e0
[ 989.889228] ? sysfs_kf_write+0x65/0x160
[ 989.894427] kernfs_fop_write_iter+0x335/0x510
[ 989.900209] ? kernfs_ops+0xf0/0xf0
[ 989.904921] new_sync_write+0x308/0x6f0
[ 989.910024] ? new_sync_read+0x6f0/0x6f0
[ 989.915213] ? lock_acquire.part.0+0xbc/0x260
[ 989.920898] ? ksys_write+0xff/0x200
[ 989.925707] vfs_write+0x62a/0x980
[ 989.930322] ksys_write+0xff/0x200
[ 989.934937] ? __ia32_sys_read+0xc0/0xc0
[ 989.940136] ? kernfs_fop_llseek+0x160/0x1f0
[ 989.945725] ? rcu_is_watching+0x15/0xd0
[ 989.950927] do_syscall_64+0xf3/0x5e0
[ 989.955833] ? exc_page_fault+0x9e/0xb0
[ 989.960932] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 989.967400] RIP: 0033:0x7fedd3b6ac5e
[ 989.972207] RSP: 002b:00007ffca46bd320 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 989.981505] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fedd3b6ac5e
[ 989.990305] RDX: 0000000000000001 RSI: 000055b27bf51110 RDI: 0000000000000007
[ 989.999113] RBP: 00007ffca46bd330 R08: 0000000000000000 R09: 0000000000000000
[ 990.007922] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fedd3a05e80
[ 990.016730] R13: 000055b27bf51110 R14: 0000000000000007 R15: 00007fedd426bb98
[ 990.025535]
[ 990.028829] INFO: task python3:4964 is blocked on a mutex likely owned by task python3:3034.
[ 990.039103] task:python3 state:D stack:25312 pid:3034 tgid:3034 ppid:3033 task_flags:0x400100 flags:0x00080802
[ 990.052304] Call Trace:
[ 990.055831]
[ 990.058980] __schedule+0xad9/0x1490
[ 990.063791] ? io_schedule_timeout+0x130/0x130
[ 990.069564] ? find_held_lock+0x2b/0x80
[ 990.074667] ? __try_to_del_timer_sync+0x154/0x1f0
[ 990.080845] schedule+0xd4/0x260
[ 990.085260] schedule_timeout+0x103/0x260
[ 990.090556] ? rcu_is_watching+0x15/0xd0
[ 990.095754] ? hrtimer_nanosleep_restart+0x180/0x180
[ 990.102122] ? hrtimers_cpu_dying+0x250/0x250
[ 990.107812] ? ww_mutex_lock+0x160/0x160
[ 990.113010] msleep+0x1b/0x30
[ 990.117133] napi_set_threaded+0x376/0x410
[ 990.122527] ? napi_resume_irqs+0x1a0/0x1a0
[ 990.128023] netif_set_threaded+0x254/0x400
[ 990.133514] ? sysfs_file_ops+0x140/0x140
[ 990.138812] threaded_store+0x1bb/0x220
[ 990.143914] ? tx_maxrate_store+0x4e0/0x4e0
[ 990.149405] ? sysfs_file_ops+0x140/0x140
[ 990.154700] ? sysfs_file_kobj+0xbd/0x1e0
[ 990.159994] ? sysfs_kf_write+0x65/0x160
[ 990.165191] kernfs_fop_write_iter+0x335/0x510
[ 990.170974] ? kernfs_ops+0xf0/0xf0
[ 990.175684] new_sync_write+0x308/0x6f0
[ 990.180788] ? new_sync_read+0x6f0/0x6f0
[ 990.185989] ? lock_acquire.part.0+0xbc/0x260
[ 990.191672] ? ksys_write+0xff/0x200
[ 990.196485] vfs_write+0x62a/0x980
[ 990.201098] ksys_write+0xff/0x200
[ 990.205712] ? __ia32_sys_read+0xc0/0xc0
[ 990.210911] ? kernfs_fop_llseek+0x160/0x1f0
[ 990.216502] ? rcu_is_watching+0x15/0xd0
[ 990.221690] do_syscall_64+0xf3/0x5e0
[ 990.226593] ? irq_exit_rcu+0x39/0xf0
[ 990.231498] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 990.237966] RIP: 0033:0x7fb1dcd8bc5e
[ 990.242772] RSP: 002b:00007fff5e313a90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 990.252068] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb1dcd8bc5e
[ 990.260864] RDX: 0000000000000001 RSI: 000055d129edf110 RDI: 0000000000000007
[ 990.269672] RBP: 00007fff5e313aa0 R08: 0000000000000000 R09: 0000000000000000
[ 990.278477] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb1dcc26e80
[ 990.287284] R13: 000055d129edf110 R14: 0000000000000007 R15: 00007fb1dcbb6480
[ 990.296097]
[ 990.299354] \x0aShowing all locks held in the system:
[ 990.307893] 1 lock held by khungtaskd/185:
[ 990.313285] #0: ffffffffa2ece120 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 990.324771] 4 locks held by python3/3034:
[ 990.330067] #0: ff1100012ddd43f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 990.339858] #1: ff1100013b068e88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 990.350813] #2: ff11000120d590f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.361970] #3: ff1100010dd91d00 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.372058] 4 locks held by python3/4964:
[ 990.377351] #0: ff1100012ddd43f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 990.387142] #1: ff110001a6726e88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 990.398098] #2: ff11000120d590f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.409267] #3: ff1100010dd91d00 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.419366]
[ 990.421832] =============================================\x0a
[ 1112.633759] INFO: task python3:4964 blocked for more than 245 seconds.
[ 1112.641909] Not tainted 7.0.0-rc5-cuot-gfff5ea94b0c8 #1
[ 1112.649158] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1112.658748] task:python3 state:D stack:25312 pid:4964 tgid:4964 ppid:4963 task_flags:0x400100 flags:0x00080000
[ 1112.671954] Call Trace:
[ 1112.675497]
[ 1112.678638] __schedule+0xad9/0x1490
[ 1112.683453] ? io_schedule_timeout+0x130/0x130
[ 1112.689239] ? find_held_lock+0x2b/0x80
[ 1112.694345] ? __lock_release.isra.0+0x59/0x170
[ 1112.700229] schedule+0xd4/0x260
[ 1112.704651] schedule_preempt_disabled+0x18/0x30
[ 1112.710633] __mutex_lock+0xd76/0x1f20
[ 1112.715638] ? threaded_store+0x132/0x220
[ 1112.720940] ? ww_mutex_lock+0x160/0x160
[ 1112.726138] ? selinux_inode_free_security+0x310/0x310
[ 1112.732708] ? cap_capable+0x1ed/0x3f0
[ 1112.737716] ? sysfs_file_ops+0x140/0x140
[ 1112.743017] ? threaded_store+0x132/0x220
[ 1112.748313] threaded_store+0x132/0x220
[ 1112.753415] ? tx_maxrate_store+0x4e0/0x4e0
[ 1112.758909] ? sysfs_file_ops+0x140/0x140
[ 1112.764207] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.769498] ? sysfs_kf_write+0x65/0x160
[ 1112.774697] kernfs_fop_write_iter+0x335/0x510
[ 1112.780483] ? kernfs_ops+0xf0/0xf0
[ 1112.785186] new_sync_write+0x308/0x6f0
[ 1112.790284] ? new_sync_read+0x6f0/0x6f0
[ 1112.795486] ? lock_acquire.part.0+0xbc/0x260
[ 1112.801174] ? ksys_write+0xff/0x200
[ 1112.805979] vfs_write+0x62a/0x980
[ 1112.810600] ksys_write+0xff/0x200
[ 1112.815213] ? __ia32_sys_read+0xc0/0xc0
[ 1112.820413] ? kernfs_fop_llseek+0x160/0x1f0
[ 1112.826005] ? rcu_is_watching+0x15/0xd0
[ 1112.831208] do_syscall_64+0xf3/0x5e0
[ 1112.836117] ? exc_page_fault+0x9e/0xb0
[ 1112.841218] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1112.847687] RIP: 0033:0x7fedd3b6ac5e
[ 1112.852496] RSP: 002b:00007ffca46bd320 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1112.861793] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fedd3b6ac5e
[ 1112.870598] RDX: 0000000000000001 RSI: 000055b27bf51110 RDI: 0000000000000007
[ 1112.879408] RBP: 00007ffca46bd330 R08: 0000000000000000 R09: 0000000000000000
[ 1112.888215] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fedd3a05e80
[ 1112.897023] R13: 000055b27bf51110 R14: 0000000000000007 R15: 00007fedd426bb98
[ 1112.905839]
[ 1112.909107] INFO: task python3:4964 is blocked on a mutex likely owned by task python3:3034.
[ 1112.919382] task:python3 state:D stack:25312 pid:3034 tgid:3034 ppid:3033 task_flags:0x400100 flags:0x00080802
[ 1112.932574] Call Trace:
[ 1112.936115]
[ 1112.939265] __schedule+0xad9/0x1490
[ 1112.944077] ? io_schedule_timeout+0x130/0x130
[ 1112.949860] ? find_held_lock+0x2b/0x80
[ 1112.954965] ? __try_to_del_timer_sync+0x154/0x1f0
[ 1112.961144] schedule+0xd4/0x260
[ 1112.965565] schedule_timeout+0x103/0x260
[ 1112.970859] ? rcu_is_watching+0x15/0xd0
[ 1112.976059] ? hrtimer_nanosleep_restart+0x180/0x180
[ 1112.982429] ? hrtimers_cpu_dying+0x250/0x250
[ 1112.988120] ? ww_mutex_lock+0x160/0x160
[ 1112.993322] msleep+0x1b/0x30
[ 1112.997448] napi_set_threaded+0x376/0x410
[ 1113.002846] ? napi_resume_irqs+0x1a0/0x1a0
[ 1113.008344] netif_set_threaded+0x254/0x400
[ 1113.013836] ? sysfs_file_ops+0x140/0x140
[ 1113.019135] threaded_store+0x1bb/0x220
[ 1113.024241] ? tx_maxrate_store+0x4e0/0x4e0
[ 1113.029734] ? sysfs_file_ops+0x140/0x140
[ 1113.035029] ? sysfs_file_kobj+0xbd/0x1e0
[ 1113.040329] ? sysfs_kf_write+0x65/0x160
[ 1113.045528] kernfs_fop_write_iter+0x335/0x510
[ 1113.051312] ? kernfs_ops+0xf0/0xf0
[ 1113.056023] new_sync_write+0x308/0x6f0
[ 1113.061127] ? new_sync_read+0x6f0/0x6f0
[ 1113.066328] ? lock_acquire.part.0+0xbc/0x260
[ 1113.072013] ? ksys_write+0xff/0x200
[ 1113.076826] vfs_write+0x62a/0x980
[ 1113.081441] ksys_write+0xff/0x200
[ 1113.086057] ? __ia32_sys_read+0xc0/0xc0
[ 1113.091259] ? kernfs_fop_llseek+0x160/0x1f0
[ 1113.096848] ? rcu_is_watching+0x15/0xd0
[ 1113.102048] do_syscall_64+0xf3/0x5e0
[ 1113.106954] ? irq_exit_rcu+0x39/0xf0
[ 1113.111861] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1113.118329] RIP: 0033:0x7fb1dcd8bc5e
[ 1113.123137] RSP: 002b:00007fff5e313a90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1113.132433] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb1dcd8bc5e
[ 1113.141241] RDX: 0000000000000001 RSI: 000055d129edf110 RDI: 0000000000000007
[ 1113.150039] RBP: 00007fff5e313aa0 R08: 0000000000000000 R09: 0000000000000000
[ 1113.158848] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb1dcc26e80
[ 1113.167658] R13: 000055d129edf110 R14: 0000000000000007 R15: 00007fb1dcbb6480
[ 1113.176472]
[ 1113.179735] \x0aShowing all locks held in the system:
[ 1113.188276] 1 lock held by khungtaskd/185:
[ 1113.193670] #0: ffffffffa2ece120 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1113.205155] 4 locks held by python3/3034:
[ 1113.210448] #0: ff1100012ddd43f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1113.220242] #1: ff1100013b068e88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1113.231205] #2: ff11000120d590f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.242362] #3: ff1100010dd91d00 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.252451] 4 locks held by python3/4964:
[ 1113.257747] #0: ff1100012ddd43f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1113.267536] #1: ff110001a6726e88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1113.278499] #2: ff11000120d590f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.289658] #3: ff1100010dd91d00 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.299749]
[ 1113.302218] =============================================\x0a
[ 1235.516042] INFO: task python3:4964 blocked for more than 368 seconds.
[ 1235.524190] Not tainted 7.0.0-rc5-cuot-gfff5ea94b0c8 #1
[ 1235.531442] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1235.541034] task:python3 state:D stack:25312 pid:4964 tgid:4964 ppid:4963 task_flags:0x400100 flags:0x00080002
[ 1235.554241] Call Trace:
[ 1235.557783]
[ 1235.560936] __schedule+0xad9/0x1490
[ 1235.565754] ? io_schedule_timeout+0x130/0x130
[ 1235.571540] ? find_held_lock+0x2b/0x80
[ 1235.576646] ? __lock_release.isra.0+0x59/0x170
[ 1235.582532] schedule+0xd4/0x260
[ 1235.586953] schedule_preempt_disabled+0x18/0x30
[ 1235.592934] __mutex_lock+0xd76/0x1f20
[ 1235.597939] ? threaded_store+0x132/0x220
[ 1235.603238] ? ww_mutex_lock+0x160/0x160
[ 1235.608436] ? selinux_inode_free_security+0x310/0x310
[ 1235.615009] ? cap_capable+0x1ed/0x3f0
[ 1235.620020] ? sysfs_file_ops+0x140/0x140
[ 1235.625323] ? threaded_store+0x132/0x220
[ 1235.630621] threaded_store+0x132/0x220
[ 1235.635725] ? tx_maxrate_store+0x4e0/0x4e0
[ 1235.641220] ? sysfs_file_ops+0x140/0x140
[ 1235.646516] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.651814] ? sysfs_kf_write+0x65/0x160
[ 1235.657004] kernfs_fop_write_iter+0x335/0x510
[ 1235.662782] ? kernfs_ops+0xf0/0xf0
[ 1235.667492] new_sync_write+0x308/0x6f0
[ 1235.672599] ? new_sync_read+0x6f0/0x6f0
[ 1235.677801] ? lock_acquire.part.0+0xbc/0x260
[ 1235.683490] ? ksys_write+0xff/0x200
[ 1235.688301] vfs_write+0x62a/0x980
[ 1235.692918] ksys_write+0xff/0x200
[ 1235.697533] ? __ia32_sys_read+0xc0/0xc0
[ 1235.702732] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.708323] ? rcu_is_watching+0x15/0xd0
[ 1235.713528] do_syscall_64+0xf3/0x5e0
[ 1235.718436] ? exc_page_fault+0x9e/0xb0
[ 1235.723541] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.730011] RIP: 0033:0x7fedd3b6ac5e
[ 1235.734821] RSP: 002b:00007ffca46bd320 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.744120] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fedd3b6ac5e
[ 1235.752930] RDX: 0000000000000001 RSI: 000055b27bf51110 RDI: 0000000000000007
[ 1235.761737] RBP: 00007ffca46bd330 R08: 0000000000000000 R09: 0000000000000000
[ 1235.770536] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fedd3a05e80
[ 1235.779336] R13: 000055b27bf51110 R14: 0000000000000007 R15: 00007fedd426bb98
[ 1235.788150]
[ 1235.791417] INFO: task python3:4964 is blocked on a mutex likely owned by task python3:3034.
[ 1235.801689] task:python3 state:D stack:25312 pid:3034 tgid:3034 ppid:3033 task_flags:0x400100 flags:0x00080802
[ 1235.814892] Call Trace:
[ 1235.818433]
[ 1235.821581] __schedule+0xad9/0x1490
[ 1235.826391] ? io_schedule_timeout+0x130/0x130
[ 1235.832173] ? find_held_lock+0x2b/0x80
[ 1235.837275] ? __try_to_del_timer_sync+0x154/0x1f0
[ 1235.843458] schedule+0xd4/0x260
[ 1235.847882] schedule_timeout+0x103/0x260
[ 1235.853178] ? rcu_is_watching+0x15/0xd0
[ 1235.858378] ? hrtimer_nanosleep_restart+0x180/0x180
[ 1235.864738] ? hrtimers_cpu_dying+0x250/0x250
[ 1235.870429] ? ww_mutex_lock+0x160/0x160
[ 1235.875628] msleep+0x1b/0x30
[ 1235.879753] napi_set_threaded+0x376/0x410
[ 1235.885150] ? napi_resume_irqs+0x1a0/0x1a0
[ 1235.890648] netif_set_threaded+0x254/0x400
[ 1235.896142] ? sysfs_file_ops+0x140/0x140
[ 1235.901438] threaded_store+0x1bb/0x220
[ 1235.906540] ? tx_maxrate_store+0x4e0/0x4e0
[ 1235.912031] ? sysfs_file_ops+0x140/0x140
[ 1235.917319] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.922618] ? sysfs_kf_write+0x65/0x160
[ 1235.927822] kernfs_fop_write_iter+0x335/0x510
[ 1235.933607] ? kernfs_ops+0xf0/0xf0
[ 1235.938321] new_sync_write+0x308/0x6f0
[ 1235.943425] ? new_sync_read+0x6f0/0x6f0
[ 1235.948626] ? lock_acquire.part.0+0xbc/0x260
[ 1235.954311] ? ksys_write+0xff/0x200
[ 1235.959124] vfs_write+0x62a/0x980
[ 1235.963741] ksys_write+0xff/0x200
[ 1235.968357] ? __ia32_sys_read+0xc0/0xc0
[ 1235.973556] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.979148] ? rcu_is_watching+0x15/0xd0
[ 1235.984350] do_syscall_64+0xf3/0x5e0
[ 1235.989256] ? irq_exit_rcu+0x39/0xf0
[ 1235.994166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1236.000633] RIP: 0033:0x7fb1dcd8bc5e
[ 1236.005435] RSP: 002b:00007fff5e313a90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1236.014734] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb1dcd8bc5e
[ 1236.023542] RDX: 0000000000000001 RSI: 000055d129edf110 RDI: 0000000000000007
[ 1236.032351] RBP: 00007fff5e313aa0 R08: 0000000000000000 R09: 0000000000000000
[ 1236.041161] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb1dcc26e80
[ 1236.049969] R13: 000055d129edf110 R14: 0000000000000007 R15: 00007fb1dcbb6480
[ 1236.058783]
[ 1236.062048] \x0aShowing all locks held in the system:
[ 1236.070577] 1 lock held by khungtaskd/185:
[ 1236.075971] #0: ffffffffa2ece120 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1236.087441] 3 locks held by systemd-journal/802:
[ 1236.093420] #0: ff1100180e6b72e0 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x18f/0x1490
[ 1236.103310] #1: ff110001a09e9c00 (&mm->mmap_lock){++++}-{4:4}, at: fs_reclaim_acquire+0x7b/0x120
[ 1236.114083] #2: ff11000199965780 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0xf4/0x280
[ 1236.125544] 4 locks held by python3/3034:
[ 1236.130839] #0: ff1100012ddd43f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1236.140629] #1: ff1100013b068e88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1236.151593] #2: ff11000120d590f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.162749] #3: ff1100010dd91d00 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.172845] 4 locks held by python3/4964:
[ 1236.178140] #0: ff1100012ddd43f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1236.187932] #1: ff110001a6726e88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1236.198895] #2: ff11000120d590f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.210054] #3: ff1100010dd91d00 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.220148]
[ 1236.222614] =============================================\x0a