[ 790.905124] nipa-hw-worker: drivers/net:napi_threaded.py: timed out
[ 790.916560] nipa-hw-worker: [5/46] Retrying drivers/net:napi_threaded.py
[ 791.053801] kselftest: Running tests in drivers/net
[ 989.700477] INFO: task python3:5896 blocked for more than 122 seconds.
[ 989.708675] Not tainted 7.1.0-rc4-czsj-g3c4ae627e8ff #1
[ 989.716148] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 989.725741] task:python3 state:D stack:25672 pid:5896 tgid:5896 ppid:5895 task_flags:0x400100 flags:0x00080000
[ 989.738948] Call Trace:
[ 989.742488]
[ 989.745643] __schedule+0xcc3/0x19c0
[ 989.750462] ? io_schedule_timeout+0x140/0x140
[ 989.756245] ? find_held_lock+0x2b/0x80
[ 989.761340] ? __lock_release.isra.0+0x6b/0x1a0
[ 989.767229] schedule+0xd8/0x260
[ 989.771647] schedule_preempt_disabled+0x18/0x30
[ 989.777626] __mutex_lock+0x6af/0x2010
[ 989.782633] ? threaded_store+0x132/0x220
[ 989.787933] ? ww_mutex_lock+0x160/0x160
[ 989.793131] ? selinux_inode_free_security+0x330/0x330
[ 989.799693] ? cap_capable+0x1d6/0x3e0
[ 989.804699] ? threaded_store+0x132/0x220
[ 989.809995] threaded_store+0x132/0x220
[ 989.815099] ? xps_rxqs_store+0x2e0/0x2e0
[ 989.820399] ? sysfs_file_kobj+0xbd/0x1e0
[ 989.825701] ? sysfs_kf_write+0x65/0x160
[ 989.830902] ? sysfs_file_ops+0x140/0x140
[ 989.836198] kernfs_fop_write_iter+0x335/0x510
[ 989.841983] ? kernfs_ops+0xf0/0xf0
[ 989.846687] new_sync_write+0x333/0x750
[ 989.851790] ? __lock_acquire+0x508/0xc10
[ 989.857088] ? new_sync_read+0x740/0x740
[ 989.862287] ? lock_acquire.part.0+0xbc/0x260
[ 989.867968] ? ksys_write+0x116/0x250
[ 989.872880] vfs_write+0x657/0x9b0
[ 989.877496] ksys_write+0x116/0x250
[ 989.882207] ? __ia32_sys_read+0xc0/0xc0
[ 989.887407] ? kernfs_fop_llseek+0x160/0x1f0
[ 989.892987] ? rcu_is_watching+0x15/0xd0
[ 989.898183] do_syscall_64+0xf3/0x650
[ 989.903088] ? irq_exit_rcu+0x1a/0x30
[ 989.907996] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 989.914455] RIP: 0033:0x7f41beb5522e
[ 989.919266] RSP: 002b:00007ffdfb3b42c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 989.928565] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f41beb5522e
[ 989.937374] RDX: 0000000000000001 RSI: 0000557c4b5856b0 RDI: 0000000000000007
[ 989.946184] RBP: 00007ffdfb3b42d0 R08: 0000000000000000 R09: 0000000000000000
[ 989.954991] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f41be9cd390
[ 989.963792] R13: 0000557c4b5856b0 R14: 0000000000000007 R15: 0000000000000003
[ 989.972607]
[ 989.975884] INFO: task python3:5896 is blocked on a mutex likely owned by task python3:3856.
[ 989.986161] task:python3 state:D stack:25672 pid:3856 tgid:3856 ppid:3855 task_flags:0x400100 flags:0x00080802
[ 989.999364] Call Trace:
[ 990.002902]
[ 990.006055] __schedule+0xcc3/0x19c0
[ 990.010868] ? io_schedule_timeout+0x140/0x140
[ 990.016656] ? find_held_lock+0x2b/0x80
[ 990.021760] ? __try_to_del_timer_sync+0x155/0x1f0
[ 990.027941] schedule+0xd8/0x260
[ 990.032359] schedule_timeout+0x13f/0x290
[ 990.037659] ? hrtimer_nanosleep_restart+0x270/0x270
[ 990.044028] ? trace_contention_end+0xb3/0x1a0
[ 990.049804] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 990.055494] ? ww_mutex_lock+0x160/0x160
[ 990.060693] msleep+0x1b/0x30
[ 990.064821] napi_set_threaded+0x3a5/0x440
[ 990.070217] ? napi_resume_irqs+0x1a0/0x1a0
[ 990.075714] netif_set_threaded+0x257/0x400
[ 990.081205] threaded_store+0x1b8/0x220
[ 990.086310] ? xps_rxqs_store+0x2e0/0x2e0
[ 990.091606] ? sysfs_file_kobj+0xbd/0x1e0
[ 990.096904] ? sysfs_kf_write+0x65/0x160
[ 990.102104] ? sysfs_file_ops+0x140/0x140
[ 990.107402] kernfs_fop_write_iter+0x335/0x510
[ 990.113188] ? kernfs_ops+0xf0/0xf0
[ 990.117902] new_sync_write+0x333/0x750
[ 990.123003] ? __lock_acquire+0x508/0xc10
[ 990.128305] ? new_sync_read+0x740/0x740
[ 990.133504] ? lock_acquire.part.0+0xbc/0x260
[ 990.139189] ? ksys_write+0x116/0x250
[ 990.144101] vfs_write+0x657/0x9b0
[ 990.148716] ksys_write+0x116/0x250
[ 990.153418] ? __ia32_sys_read+0xc0/0xc0
[ 990.158619] ? kernfs_fop_llseek+0x160/0x1f0
[ 990.164207] ? rcu_is_watching+0x15/0xd0
[ 990.169408] do_syscall_64+0xf3/0x650
[ 990.174315] ? irq_exit_rcu+0x1a/0x30
[ 990.179224] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 990.185690] RIP: 0033:0x7fb34700622e
[ 990.190502] RSP: 002b:00007fff3f3dbfe0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 990.199798] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb34700622e
[ 990.208607] RDX: 0000000000000001 RSI: 0000561a9378a6b0 RDI: 0000000000000007
[ 990.217416] RBP: 00007fff3f3dbff0 R08: 0000000000000000 R09: 0000000000000000
[ 990.226224] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb346e7e390
[ 990.235035] R13: 0000561a9378a6b0 R14: 0000000000000007 R15: 0000000000000003
[ 990.243847]
[ 990.247110] \x0aShowing all locks held in the system:
[ 990.255629] 2 locks held by systemd/1:
[ 990.260631] #0: ff110001306113e8 (sb_writers#6){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 990.270519] #1: ff110001835a4a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 990.281502] 1 lock held by khungtaskd/185:
[ 990.286893] #0: ffffffff952fdde0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 990.298368] 3 locks held by systemd-journal/804:
[ 990.304347] #0: ff1100180e7b72e0 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x18d/0x19c0
[ 990.314233] #1: ff110001a06d6378 (&mm->mmap_lock){++++}-{4:4}, at: fs_reclaim_acquire+0x7b/0x120
[ 990.324992] #2: ff1100019f794230 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0x114/0x2d0
[ 990.336548] 4 locks held by python3/3856:
[ 990.341840] #0: ff110001304e13e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 990.351729] #1: ff1100018c57dc80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 990.362691] #2: ff1100011c066b50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.373848] #3: ff11000123ef9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.383941] 4 locks held by python3/5896:
[ 990.389237] #0: ff110001304e13e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 990.399124] #1: ff110001284a6280 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 990.410082] #2: ff1100011c066b50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.421235] #3: ff11000123ef9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.431326]
[ 990.433792] =============================================\x0a
[ 1112.581594] INFO: task python3:5896 blocked for more than 245 seconds.
[ 1112.589740] Not tainted 7.1.0-rc4-czsj-g3c4ae627e8ff #1
[ 1112.596991] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1112.606583] task:python3 state:D stack:25672 pid:5896 tgid:5896 ppid:5895 task_flags:0x400100 flags:0x00080000
[ 1112.619791] Call Trace:
[ 1112.623332]
[ 1112.626482] __schedule+0xcc3/0x19c0
[ 1112.631300] ? io_schedule_timeout+0x140/0x140
[ 1112.637086] ? find_held_lock+0x2b/0x80
[ 1112.642193] ? __lock_release.isra.0+0x6b/0x1a0
[ 1112.648079] schedule+0xd8/0x260
[ 1112.652499] schedule_preempt_disabled+0x18/0x30
[ 1112.658480] __mutex_lock+0x6af/0x2010
[ 1112.663487] ? threaded_store+0x132/0x220
[ 1112.668786] ? ww_mutex_lock+0x160/0x160
[ 1112.673985] ? selinux_inode_free_security+0x330/0x330
[ 1112.680555] ? cap_capable+0x1d6/0x3e0
[ 1112.685564] ? threaded_store+0x132/0x220
[ 1112.690861] threaded_store+0x132/0x220
[ 1112.695965] ? xps_rxqs_store+0x2e0/0x2e0
[ 1112.701264] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.706566] ? sysfs_kf_write+0x65/0x160
[ 1112.711768] ? sysfs_file_ops+0x140/0x140
[ 1112.717063] kernfs_fop_write_iter+0x335/0x510
[ 1112.722849] ? kernfs_ops+0xf0/0xf0
[ 1112.727560] new_sync_write+0x333/0x750
[ 1112.732663] ? __lock_acquire+0x508/0xc10
[ 1112.737962] ? new_sync_read+0x740/0x740
[ 1112.743164] ? lock_acquire.part.0+0xbc/0x260
[ 1112.748849] ? ksys_write+0x116/0x250
[ 1112.753761] vfs_write+0x657/0x9b0
[ 1112.758377] ksys_write+0x116/0x250
[ 1112.763089] ? __ia32_sys_read+0xc0/0xc0
[ 1112.768282] ? kernfs_fop_llseek+0x160/0x1f0
[ 1112.773871] ? rcu_is_watching+0x15/0xd0
[ 1112.779068] do_syscall_64+0xf3/0x650
[ 1112.783976] ? irq_exit_rcu+0x1a/0x30
[ 1112.788884] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1112.795344] RIP: 0033:0x7f41beb5522e
[ 1112.800152] RSP: 002b:00007ffdfb3b42c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1112.809450] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f41beb5522e
[ 1112.818257] RDX: 0000000000000001 RSI: 0000557c4b5856b0 RDI: 0000000000000007
[ 1112.827066] RBP: 00007ffdfb3b42d0 R08: 0000000000000000 R09: 0000000000000000
[ 1112.835876] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f41be9cd390
[ 1112.844686] R13: 0000557c4b5856b0 R14: 0000000000000007 R15: 0000000000000003
[ 1112.853501]
[ 1112.856776] INFO: task python3:5896 is blocked on a mutex likely owned by task python3:3856.
[ 1112.867054] task:python3 state:D stack:25672 pid:3856 tgid:3856 ppid:3855 task_flags:0x400100 flags:0x00080802
[ 1112.880259] Call Trace:
[ 1112.883799]
[ 1112.886948] __schedule+0xcc3/0x19c0
[ 1112.891760] ? io_schedule_timeout+0x140/0x140
[ 1112.897543] ? find_held_lock+0x2b/0x80
[ 1112.902647] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1112.908829] schedule+0xd8/0x260
[ 1112.913250] schedule_timeout+0x13f/0x290
[ 1112.918546] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1112.924916] ? trace_contention_end+0xb3/0x1a0
[ 1112.930702] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1112.936395] ? ww_mutex_lock+0x160/0x160
[ 1112.941593] msleep+0x1b/0x30
[ 1112.945722] napi_set_threaded+0x3a5/0x440
[ 1112.951120] ? napi_resume_irqs+0x1a0/0x1a0
[ 1112.956616] netif_set_threaded+0x257/0x400
[ 1112.962109] threaded_store+0x1b8/0x220
[ 1112.967212] ? xps_rxqs_store+0x2e0/0x2e0
[ 1112.972510] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.977806] ? sysfs_kf_write+0x65/0x160
[ 1112.983005] ? sysfs_file_ops+0x140/0x140
[ 1112.988301] kernfs_fop_write_iter+0x335/0x510
[ 1112.994087] ? kernfs_ops+0xf0/0xf0
[ 1112.998801] new_sync_write+0x333/0x750
[ 1113.003901] ? __lock_acquire+0x508/0xc10
[ 1113.009196] ? new_sync_read+0x740/0x740
[ 1113.014400] ? lock_acquire.part.0+0xbc/0x260
[ 1113.020086] ? ksys_write+0x116/0x250
[ 1113.024998] vfs_write+0x657/0x9b0
[ 1113.029616] ksys_write+0x116/0x250
[ 1113.034326] ? __ia32_sys_read+0xc0/0xc0
[ 1113.039528] ? kernfs_fop_llseek+0x160/0x1f0
[ 1113.045116] ? rcu_is_watching+0x15/0xd0
[ 1113.050317] do_syscall_64+0xf3/0x650
[ 1113.055223] ? irq_exit_rcu+0x1a/0x30
[ 1113.060128] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1113.066597] RIP: 0033:0x7fb34700622e
[ 1113.071406] RSP: 002b:00007fff3f3dbfe0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1113.080705] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb34700622e
[ 1113.089514] RDX: 0000000000000001 RSI: 0000561a9378a6b0 RDI: 0000000000000007
[ 1113.098320] RBP: 00007fff3f3dbff0 R08: 0000000000000000 R09: 0000000000000000
[ 1113.107130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb346e7e390
[ 1113.115937] R13: 0000561a9378a6b0 R14: 0000000000000007 R15: 0000000000000003
[ 1113.124755]
[ 1113.128017] \x0aShowing all locks held in the system:
[ 1113.136559] 1 lock held by khungtaskd/185:
[ 1113.141945] #0: ffffffff952fdde0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1113.153440] 4 locks held by python3/3856:
[ 1113.158732] #0: ff110001304e13e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1113.168624] #1: ff1100018c57dc80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1113.179587] #2: ff1100011c066b50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.190748] #3: ff11000123ef9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.200848] 4 locks held by python3/5896:
[ 1113.206145] #0: ff110001304e13e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1113.216037] #1: ff110001284a6280 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1113.227000] #2: ff1100011c066b50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.238161] #3: ff11000123ef9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.248253]
[ 1113.250719] =============================================\x0a
[ 1235.462712] INFO: task python3:5896 blocked for more than 368 seconds.
[ 1235.470860] Not tainted 7.1.0-rc4-czsj-g3c4ae627e8ff #1
[ 1235.478109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1235.487688] task:python3 state:D stack:25672 pid:5896 tgid:5896 ppid:5895 task_flags:0x400100 flags:0x00080002
[ 1235.500895] Call Trace:
[ 1235.504436]
[ 1235.507587] __schedule+0xcc3/0x19c0
[ 1235.512403] ? io_schedule_timeout+0x140/0x140
[ 1235.518186] ? find_held_lock+0x2b/0x80
[ 1235.523290] ? __lock_release.isra.0+0x6b/0x1a0
[ 1235.529165] schedule+0xd8/0x260
[ 1235.533584] schedule_preempt_disabled+0x18/0x30
[ 1235.539561] __mutex_lock+0x6af/0x2010
[ 1235.544564] ? threaded_store+0x132/0x220
[ 1235.549861] ? ww_mutex_lock+0x160/0x160
[ 1235.555061] ? selinux_inode_free_security+0x330/0x330
[ 1235.561630] ? cap_capable+0x1d6/0x3e0
[ 1235.566634] ? threaded_store+0x132/0x220
[ 1235.571930] threaded_store+0x132/0x220
[ 1235.577028] ? xps_rxqs_store+0x2e0/0x2e0
[ 1235.582329] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.587630] ? sysfs_kf_write+0x65/0x160
[ 1235.592831] ? sysfs_file_ops+0x140/0x140
[ 1235.598127] kernfs_fop_write_iter+0x335/0x510
[ 1235.603913] ? kernfs_ops+0xf0/0xf0
[ 1235.608616] new_sync_write+0x333/0x750
[ 1235.613720] ? __lock_acquire+0x508/0xc10
[ 1235.619015] ? new_sync_read+0x740/0x740
[ 1235.624213] ? lock_acquire.part.0+0xbc/0x260
[ 1235.629899] ? ksys_write+0x116/0x250
[ 1235.634807] vfs_write+0x657/0x9b0
[ 1235.639422] ksys_write+0x116/0x250
[ 1235.644133] ? __ia32_sys_read+0xc0/0xc0
[ 1235.649330] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.654919] ? rcu_is_watching+0x15/0xd0
[ 1235.660120] do_syscall_64+0xf3/0x650
[ 1235.665015] ? irq_exit_rcu+0x1a/0x30
[ 1235.669923] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.676382] RIP: 0033:0x7f41beb5522e
[ 1235.681192] RSP: 002b:00007ffdfb3b42c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.690487] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f41beb5522e
[ 1235.699294] RDX: 0000000000000001 RSI: 0000557c4b5856b0 RDI: 0000000000000007
[ 1235.708099] RBP: 00007ffdfb3b42d0 R08: 0000000000000000 R09: 0000000000000000
[ 1235.716907] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f41be9cd390
[ 1235.725705] R13: 0000557c4b5856b0 R14: 0000000000000007 R15: 0000000000000003
[ 1235.734517]
[ 1235.737786] INFO: task python3:5896 is blocked on a mutex likely owned by task python3:3856.
[ 1235.748060] task:python3 state:D stack:25672 pid:3856 tgid:3856 ppid:3855 task_flags:0x400100 flags:0x00080802
[ 1235.761264] Call Trace:
[ 1235.764803]
[ 1235.767953] __schedule+0xcc3/0x19c0
[ 1235.772754] ? io_schedule_timeout+0x140/0x140
[ 1235.778538] ? find_held_lock+0x2b/0x80
[ 1235.783629] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1235.789809] schedule+0xd8/0x260
[ 1235.794224] schedule_timeout+0x13f/0x290
[ 1235.799520] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1235.805886] ? trace_contention_end+0xb3/0x1a0
[ 1235.811670] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1235.817359] ? ww_mutex_lock+0x160/0x160
[ 1235.822561] msleep+0x1b/0x30
[ 1235.826687] napi_set_threaded+0x3a5/0x440
[ 1235.832081] ? napi_resume_irqs+0x1a0/0x1a0
[ 1235.837574] netif_set_threaded+0x257/0x400
[ 1235.843065] threaded_store+0x1b8/0x220
[ 1235.848167] ? xps_rxqs_store+0x2e0/0x2e0
[ 1235.853463] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.858759] ? sysfs_kf_write+0x65/0x160
[ 1235.863956] ? sysfs_file_ops+0x140/0x140
[ 1235.869250] kernfs_fop_write_iter+0x335/0x510
[ 1235.875033] ? kernfs_ops+0xf0/0xf0
[ 1235.879745] new_sync_write+0x333/0x750
[ 1235.884839] ? __lock_acquire+0x508/0xc10
[ 1235.890126] ? new_sync_read+0x740/0x740
[ 1235.895323] ? lock_acquire.part.0+0xbc/0x260
[ 1235.901009] ? ksys_write+0x116/0x250
[ 1235.905919] vfs_write+0x657/0x9b0
[ 1235.910534] ksys_write+0x116/0x250
[ 1235.915234] ? __ia32_sys_read+0xc0/0xc0
[ 1235.920433] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.926021] ? rcu_is_watching+0x15/0xd0
[ 1235.931218] do_syscall_64+0xf3/0x650
[ 1235.936124] ? irq_exit_rcu+0x1a/0x30
[ 1235.941028] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.947495] RIP: 0033:0x7fb34700622e
[ 1235.952305] RSP: 002b:00007fff3f3dbfe0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.961593] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb34700622e
[ 1235.970400] RDX: 0000000000000001 RSI: 0000561a9378a6b0 RDI: 0000000000000007
[ 1235.979208] RBP: 00007fff3f3dbff0 R08: 0000000000000000 R09: 0000000000000000
[ 1235.988017] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb346e7e390
[ 1235.996824] R13: 0000561a9378a6b0 R14: 0000000000000007 R15: 0000000000000003
[ 1236.005638]
[ 1236.008904] \x0aShowing all locks held in the system:
[ 1236.017441] 1 lock held by khungtaskd/185:
[ 1236.022834] #0: ffffffff952fdde0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1236.034318] 4 locks held by python3/3856:
[ 1236.039610] #0: ff110001304e13e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1236.049499] #1: ff1100018c57dc80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1236.060461] #2: ff1100011c066b50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.071616] #3: ff11000123ef9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.081709] 4 locks held by python3/5896:
[ 1236.087005] #0: ff110001304e13e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1236.096893] #1: ff110001284a6280 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1236.107853] #2: ff1100011c066b50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.119011] #3: ff11000123ef9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.129103]
[ 1236.131570] =============================================\x0a
[ 1358.344864] INFO: task python3:5896 blocked for more than 491 seconds.
[ 1358.353022] Not tainted 7.1.0-rc4-czsj-g3c4ae627e8ff #1
[ 1358.360275] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1358.369864] task:python3 state:D stack:25672 pid:5896 tgid:5896 ppid:5895 task_flags:0x400100 flags:0x00080002
[ 1358.383070] Call Trace:
[ 1358.386611]
[ 1358.389761] __schedule+0xcc3/0x19c0
[ 1358.394579] ? io_schedule_timeout+0x140/0x140
[ 1358.400365] ? find_held_lock+0x2b/0x80
[ 1358.405470] ? __lock_release.isra.0+0x6b/0x1a0
[ 1358.411350] schedule+0xd8/0x260
[ 1358.415771] schedule_preempt_disabled+0x18/0x30
[ 1358.421750] __mutex_lock+0x6af/0x2010
[ 1358.426757] ? threaded_store+0x132/0x220
[ 1358.432059] ? ww_mutex_lock+0x160/0x160
[ 1358.437257] ? selinux_inode_free_security+0x330/0x330
[ 1358.443817] ? cap_capable+0x1d6/0x3e0
[ 1358.448824] ? threaded_store+0x132/0x220
[ 1358.454121] threaded_store+0x132/0x220
[ 1358.459225] ? xps_rxqs_store+0x2e0/0x2e0
[ 1358.464522] ? sysfs_file_kobj+0xbd/0x1e0
[ 1358.469812] ? sysfs_kf_write+0x65/0x160
[ 1358.475003] ? sysfs_file_ops+0x140/0x140
[ 1358.480292] kernfs_fop_write_iter+0x335/0x510
[ 1358.486079] ? kernfs_ops+0xf0/0xf0
[ 1358.490789] new_sync_write+0x333/0x750
[ 1358.495894] ? __lock_acquire+0x508/0xc10
[ 1358.501193] ? new_sync_read+0x740/0x740
[ 1358.506396] ? lock_acquire.part.0+0xbc/0x260
[ 1358.512082] ? ksys_write+0x116/0x250
[ 1358.516991] vfs_write+0x657/0x9b0
[ 1358.521609] ksys_write+0x116/0x250
[ 1358.526322] ? __ia32_sys_read+0xc0/0xc0
[ 1358.531523] ? kernfs_fop_llseek+0x160/0x1f0
[ 1358.537105] ? rcu_is_watching+0x15/0xd0
[ 1358.542308] do_syscall_64+0xf3/0x650
[ 1358.547216] ? irq_exit_rcu+0x1a/0x30
[ 1358.552123] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1358.558594] RIP: 0033:0x7f41beb5522e
[ 1358.563404] RSP: 002b:00007ffdfb3b42c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1358.572692] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f41beb5522e
[ 1358.581493] RDX: 0000000000000001 RSI: 0000557c4b5856b0 RDI: 0000000000000007
[ 1358.590299] RBP: 00007ffdfb3b42d0 R08: 0000000000000000 R09: 0000000000000000
[ 1358.599108] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f41be9cd390
[ 1358.607915] R13: 0000557c4b5856b0 R14: 0000000000000007 R15: 0000000000000003
[ 1358.616731]
[ 1358.619992] INFO: task python3:5896 is blocked on a mutex likely owned by task python3:3856.
[ 1358.630267] task:python3 state:D stack:25672 pid:3856 tgid:3856 ppid:3855 task_flags:0x400100 flags:0x00080802
[ 1358.643471] Call Trace:
[ 1358.647009]
[ 1358.650157] __schedule+0xcc3/0x19c0
[ 1358.654970] ? io_schedule_timeout+0x140/0x140
[ 1358.660754] ? find_held_lock+0x2b/0x80
[ 1358.665859] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1358.672039] schedule+0xd8/0x260
[ 1358.676458] schedule_timeout+0x13f/0x290
[ 1358.681758] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1358.688130] ? trace_contention_end+0xb3/0x1a0
[ 1358.693917] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1358.699609] ? ww_mutex_lock+0x160/0x160
[ 1358.704807] msleep+0x1b/0x30
[ 1358.708935] napi_set_threaded+0x3a5/0x440
[ 1358.714332] ? napi_resume_irqs+0x1a0/0x1a0
[ 1358.719829] netif_set_threaded+0x257/0x400
[ 1358.725323] threaded_store+0x1b8/0x220
[ 1358.730426] ? xps_rxqs_store+0x2e0/0x2e0
[ 1358.735725] ? sysfs_file_kobj+0xbd/0x1e0
[ 1358.741021] ? sysfs_kf_write+0x65/0x160
[ 1358.746221] ? sysfs_file_ops+0x140/0x140
[ 1358.751517] kernfs_fop_write_iter+0x335/0x510
[ 1358.757302] ? kernfs_ops+0xf0/0xf0
[ 1358.762004] new_sync_write+0x333/0x750
[ 1358.767106] ? __lock_acquire+0x508/0xc10
[ 1358.772405] ? new_sync_read+0x740/0x740
[ 1358.777605] ? lock_acquire.part.0+0xbc/0x260
[ 1358.783282] ? ksys_write+0x116/0x250
[ 1358.788192] vfs_write+0x657/0x9b0
[ 1358.792810] ksys_write+0x116/0x250
[ 1358.797523] ? __ia32_sys_read+0xc0/0xc0
[ 1358.802725] ? kernfs_fop_llseek+0x160/0x1f0
[ 1358.808316] ? rcu_is_watching+0x15/0xd0
[ 1358.813519] do_syscall_64+0xf3/0x650
[ 1358.818426] ? irq_exit_rcu+0x1a/0x30
[ 1358.823333] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1358.829802] RIP: 0033:0x7fb34700622e
[ 1358.834610] RSP: 002b:00007fff3f3dbfe0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1358.843906] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb34700622e
[ 1358.852707] RDX: 0000000000000001 RSI: 0000561a9378a6b0 RDI: 0000000000000007
[ 1358.861517] RBP: 00007fff3f3dbff0 R08: 0000000000000000 R09: 0000000000000000
[ 1358.870326] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb346e7e390
[ 1358.879133] R13: 0000561a9378a6b0 R14: 0000000000000007 R15: 0000000000000003
[ 1358.887946]
[ 1358.891212] \x0aShowing all locks held in the system:
[ 1358.899751] 1 lock held by khungtaskd/185:
[ 1358.905146] #0: ffffffff952fdde0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1358.916626] 4 locks held by python3/3856:
[ 1358.921922] #0: ff110001304e13e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1358.931811] #1: ff1100018c57dc80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1358.942777] #2: ff1100011c066b50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1358.953933] #3: ff11000123ef9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1358.964028] 4 locks held by python3/5896:
[ 1358.969325] #0: ff110001304e13e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1358.979215] #1: ff110001284a6280 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1358.990174] #2: ff1100011c066b50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1359.001331] #3: ff11000123ef9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1359.011427]
[ 1359.013895] =============================================\x0a