[ 745.779142] nipa-hw-worker: drivers/net:napi_threaded.py: timed out
[ 745.782300] nipa-hw-worker: [4/36] Retrying drivers/net:napi_threaded.py
[ 745.942690] kselftest: Running tests in drivers/net
[ 989.728209] INFO: task python3:4719 blocked for more than 122 seconds.
[ 989.736425] Not tainted 7.0.0-rc3-ower-g96e41a3b44f8 #1
[ 989.743677] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 989.753264] task:python3 state:D stack:25312 pid:4719 tgid:4719 ppid:4718 task_flags:0x400100 flags:0x00080002
[ 989.766469] Call Trace:
[ 989.770006]
[ 989.773156] __schedule+0xad9/0x1490
[ 989.777970] ? io_schedule_timeout+0x130/0x130
[ 989.783752] ? find_held_lock+0x2b/0x80
[ 989.788856] ? __lock_release.isra.0+0x59/0x170
[ 989.794743] schedule+0xd4/0x260
[ 989.799161] schedule_preempt_disabled+0x18/0x30
[ 989.805138] __mutex_lock+0xd76/0x1f20
[ 989.810143] ? threaded_store+0x132/0x220
[ 989.815443] ? ww_mutex_lock+0x160/0x160
[ 989.820630] ? selinux_inode_free_security+0x310/0x310
[ 989.827200] ? cap_capable+0x1ed/0x3f0
[ 989.832206] ? sysfs_file_ops+0x140/0x140
[ 989.837507] ? threaded_store+0x132/0x220
[ 989.842804] threaded_store+0x132/0x220
[ 989.847895] ? tx_maxrate_store+0x4e0/0x4e0
[ 989.853384] ? sysfs_file_ops+0x140/0x140
[ 989.858680] ? sysfs_file_kobj+0xbd/0x1e0
[ 989.863977] ? sysfs_kf_write+0x65/0x160
[ 989.869175] kernfs_fop_write_iter+0x335/0x510
[ 989.874958] ? kernfs_ops+0xf0/0xf0
[ 989.879670] new_sync_write+0x308/0x6f0
[ 989.884773] ? new_sync_read+0x6f0/0x6f0
[ 989.889973] ? lock_acquire.part.0+0xbc/0x260
[ 989.895657] ? ksys_write+0xff/0x200
[ 989.900470] vfs_write+0x62a/0x980
[ 989.905082] ksys_write+0xff/0x200
[ 989.909697] ? __ia32_sys_read+0xc0/0xc0
[ 989.914885] ? kernfs_fop_llseek+0x160/0x1f0
[ 989.920474] ? rcu_is_watching+0x15/0xd0
[ 989.925674] do_syscall_64+0xf3/0x5e0
[ 989.930581] ? irq_exit_rcu+0x39/0xf0
[ 989.935487] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 989.941953] RIP: 0033:0x7f1e88ffec5e
[ 989.946752] RSP: 002b:00007ffecddcf8f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 989.956060] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1e88ffec5e
[ 989.964867] RDX: 0000000000000001 RSI: 000056518126ecd0 RDI: 0000000000000007
[ 989.973672] RBP: 00007ffecddcf900 R08: 0000000000000000 R09: 0000000000000000
[ 989.982478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1e88e99e80
[ 989.991285] R13: 000056518126ecd0 R14: 0000000000000007 R15: 00007f1e896ffb98
[ 990.000097]
[ 990.003395] INFO: task python3:4719 is blocked on a mutex likely owned by task python3:2744.
[ 990.013668] task:python3 state:D stack:25312 pid:2744 tgid:2744 ppid:2743 task_flags:0x400100 flags:0x00080802
[ 990.026869] Call Trace:
[ 990.030408]
[ 990.033558] __schedule+0xad9/0x1490
[ 990.038366] ? io_schedule_timeout+0x130/0x130
[ 990.044149] ? find_held_lock+0x2b/0x80
[ 990.049250] ? __try_to_del_timer_sync+0x154/0x1f0
[ 990.055422] schedule+0xd4/0x260
[ 990.059838] schedule_timeout+0x103/0x260
[ 990.065134] ? rcu_is_watching+0x15/0xd0
[ 990.070332] ? hrtimer_nanosleep_restart+0x180/0x180
[ 990.076701] ? hrtimers_cpu_dying+0x250/0x250
[ 990.082391] ? ww_mutex_lock+0x160/0x160
[ 990.087589] msleep+0x1b/0x30
[ 990.091714] napi_set_threaded+0x376/0x410
[ 990.097110] ? napi_resume_irqs+0x1a0/0x1a0
[ 990.102596] netif_set_threaded+0x254/0x400
[ 990.108089] ? sysfs_file_ops+0x140/0x140
[ 990.113377] threaded_store+0x1bb/0x220
[ 990.118479] ? tx_maxrate_store+0x4e0/0x4e0
[ 990.123972] ? sysfs_file_ops+0x140/0x140
[ 990.129266] ? sysfs_file_kobj+0xbd/0x1e0
[ 990.134564] ? sysfs_kf_write+0x65/0x160
[ 990.139754] kernfs_fop_write_iter+0x335/0x510
[ 990.145538] ? kernfs_ops+0xf0/0xf0
[ 990.150246] new_sync_write+0x308/0x6f0
[ 990.155346] ? new_sync_read+0x6f0/0x6f0
[ 990.160546] ? lock_acquire.part.0+0xbc/0x260
[ 990.166231] ? ksys_write+0xff/0x200
[ 990.171041] vfs_write+0x62a/0x980
[ 990.175646] ksys_write+0xff/0x200
[ 990.180257] ? __ia32_sys_read+0xc0/0xc0
[ 990.185453] ? kernfs_fop_llseek+0x160/0x1f0
[ 990.191043] ? rcu_is_watching+0x15/0xd0
[ 990.196232] do_syscall_64+0xf3/0x5e0
[ 990.201136] ? exc_page_fault+0x9e/0xb0
[ 990.206237] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 990.212704] RIP: 0033:0x7fa62c2a5c5e
[ 990.217503] RSP: 002b:00007ffd0ed11120 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 990.226798] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa62c2a5c5e
[ 990.235606] RDX: 0000000000000001 RSI: 0000558c4888dcd0 RDI: 0000000000000007
[ 990.244414] RBP: 00007ffd0ed11130 R08: 0000000000000000 R09: 0000000000000000
[ 990.253223] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa62c140e80
[ 990.262030] R13: 0000558c4888dcd0 R14: 0000000000000007 R15: 00007fa62c0ce480
[ 990.270844]
[ 990.274104] \x0aShowing all locks held in the system:
[ 990.282622] 3 locks held by systemd/1:
[ 990.287647] 1 lock held by khungtaskd/185:
[ 990.293039] #0: ffffffff8cccde20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 990.304510] 2 locks held by systemd-journal/795:
[ 990.310488] #0: ff1100180e3b71e0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x40
[ 990.321352] #1: ff1100018e6e4930 (&sb->s_type->i_mutex_key#13){++++}-{4:4}, at: do_truncate+0xf2/0x1c0
[ 990.332717] 4 locks held by python3/2744:
[ 990.338013] #0: ff1100012e12c3f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 990.347805] #1: ff110001f098fa88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 990.358766] #2: ff11000121c750f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.369922] #3: ff11000121ce1cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.380024] 4 locks held by python3/4719:
[ 990.385320] #0: ff1100012e12c3f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 990.395108] #1: ff1100017ea40888 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 990.406071] #2: ff11000121c750f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.417225] #3: ff11000121ce1cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.427315]
[ 990.429778] =============================================\x0a
[ 1112.609385] INFO: task python3:4719 blocked for more than 245 seconds.
[ 1112.617535] Not tainted 7.0.0-rc3-ower-g96e41a3b44f8 #1
[ 1112.624784] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1112.634372] task:python3 state:D stack:25312 pid:4719 tgid:4719 ppid:4718 task_flags:0x400100 flags:0x00080002
[ 1112.647577] Call Trace:
[ 1112.651116]
[ 1112.654263] __schedule+0xad9/0x1490
[ 1112.659079] ? io_schedule_timeout+0x130/0x130
[ 1112.664865] ? find_held_lock+0x2b/0x80
[ 1112.669969] ? __lock_release.isra.0+0x59/0x170
[ 1112.675853] schedule+0xd4/0x260
[ 1112.680272] schedule_preempt_disabled+0x18/0x30
[ 1112.686251] __mutex_lock+0xd76/0x1f20
[ 1112.691257] ? threaded_store+0x132/0x220
[ 1112.696557] ? ww_mutex_lock+0x160/0x160
[ 1112.701755] ? selinux_inode_free_security+0x310/0x310
[ 1112.708323] ? cap_capable+0x1ed/0x3f0
[ 1112.713329] ? sysfs_file_ops+0x140/0x140
[ 1112.718627] ? threaded_store+0x132/0x220
[ 1112.723922] threaded_store+0x132/0x220
[ 1112.729025] ? tx_maxrate_store+0x4e0/0x4e0
[ 1112.734506] ? sysfs_file_ops+0x140/0x140
[ 1112.739801] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.745095] ? sysfs_kf_write+0x65/0x160
[ 1112.750295] kernfs_fop_write_iter+0x335/0x510
[ 1112.756072] ? kernfs_ops+0xf0/0xf0
[ 1112.760775] new_sync_write+0x308/0x6f0
[ 1112.765867] ? new_sync_read+0x6f0/0x6f0
[ 1112.771067] ? lock_acquire.part.0+0xbc/0x260
[ 1112.776754] ? ksys_write+0xff/0x200
[ 1112.781564] vfs_write+0x62a/0x980
[ 1112.786169] ksys_write+0xff/0x200
[ 1112.790782] ? __ia32_sys_read+0xc0/0xc0
[ 1112.795977] ? kernfs_fop_llseek+0x160/0x1f0
[ 1112.801565] ? rcu_is_watching+0x15/0xd0
[ 1112.806766] do_syscall_64+0xf3/0x5e0
[ 1112.811670] ? irq_exit_rcu+0x39/0xf0
[ 1112.816579] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1112.823043] RIP: 0033:0x7f1e88ffec5e
[ 1112.827853] RSP: 002b:00007ffecddcf8f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1112.837150] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1e88ffec5e
[ 1112.845958] RDX: 0000000000000001 RSI: 000056518126ecd0 RDI: 0000000000000007
[ 1112.854767] RBP: 00007ffecddcf900 R08: 0000000000000000 R09: 0000000000000000
[ 1112.863576] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1e88e99e80
[ 1112.872382] R13: 000056518126ecd0 R14: 0000000000000007 R15: 00007f1e896ffb98
[ 1112.881196]
[ 1112.884508] INFO: task python3:4719 is blocked on a mutex likely owned by task python3:2744.
[ 1112.894778] task:python3 state:D stack:25312 pid:2744 tgid:2744 ppid:2743 task_flags:0x400100 flags:0x00080802
[ 1112.907979] Call Trace:
[ 1112.911516]
[ 1112.914664] __schedule+0xad9/0x1490
[ 1112.919474] ? io_schedule_timeout+0x130/0x130
[ 1112.925257] ? find_held_lock+0x2b/0x80
[ 1112.930357] ? __try_to_del_timer_sync+0x154/0x1f0
[ 1112.936533] schedule+0xd4/0x260
[ 1112.940951] schedule_timeout+0x103/0x260
[ 1112.946248] ? rcu_is_watching+0x15/0xd0
[ 1112.951443] ? hrtimer_nanosleep_restart+0x180/0x180
[ 1112.957814] ? hrtimers_cpu_dying+0x250/0x250
[ 1112.963501] ? ww_mutex_lock+0x160/0x160
[ 1112.968698] msleep+0x1b/0x30
[ 1112.972823] napi_set_threaded+0x376/0x410
[ 1112.978217] ? napi_resume_irqs+0x1a0/0x1a0
[ 1112.983713] netif_set_threaded+0x254/0x400
[ 1112.989207] ? sysfs_file_ops+0x140/0x140
[ 1112.994502] threaded_store+0x1bb/0x220
[ 1112.999605] ? tx_maxrate_store+0x4e0/0x4e0
[ 1113.005086] ? sysfs_file_ops+0x140/0x140
[ 1113.010382] ? sysfs_file_kobj+0xbd/0x1e0
[ 1113.015678] ? sysfs_kf_write+0x65/0x160
[ 1113.020879] kernfs_fop_write_iter+0x335/0x510
[ 1113.026665] ? kernfs_ops+0xf0/0xf0
[ 1113.031374] new_sync_write+0x308/0x6f0
[ 1113.036474] ? new_sync_read+0x6f0/0x6f0
[ 1113.041675] ? lock_acquire.part.0+0xbc/0x260
[ 1113.047361] ? ksys_write+0xff/0x200
[ 1113.052171] vfs_write+0x62a/0x980
[ 1113.056776] ksys_write+0xff/0x200
[ 1113.061389] ? __ia32_sys_read+0xc0/0xc0
[ 1113.066586] ? kernfs_fop_llseek+0x160/0x1f0
[ 1113.072174] ? rcu_is_watching+0x15/0xd0
[ 1113.077372] do_syscall_64+0xf3/0x5e0
[ 1113.082278] ? exc_page_fault+0x9e/0xb0
[ 1113.087380] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1113.093848] RIP: 0033:0x7fa62c2a5c5e
[ 1113.098643] RSP: 002b:00007ffd0ed11120 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1113.107940] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa62c2a5c5e
[ 1113.116746] RDX: 0000000000000001 RSI: 0000558c4888dcd0 RDI: 0000000000000007
[ 1113.125551] RBP: 00007ffd0ed11130 R08: 0000000000000000 R09: 0000000000000000
[ 1113.134356] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa62c140e80
[ 1113.143165] R13: 0000558c4888dcd0 R14: 0000000000000007 R15: 00007fa62c0ce480
[ 1113.151978]
[ 1113.155244] \x0aShowing all locks held in the system:
[ 1113.163784] 1 lock held by khungtaskd/185:
[ 1113.169175] #0: ffffffff8cccde20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1113.180660] 4 locks held by python3/2744:
[ 1113.185955] #0: ff1100012e12c3f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1113.195745] #1: ff110001f098fa88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1113.206706] #2: ff11000121c750f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.217864] #3: ff11000121ce1cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.227959] 4 locks held by python3/4719:
[ 1113.233253] #0: ff1100012e12c3f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1113.243042] #1: ff1100017ea40888 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1113.254003] #2: ff11000121c750f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.265150] #3: ff11000121ce1cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.275243]
[ 1113.277708] =============================================\x0a
[ 1235.490555] INFO: task python3:4719 blocked for more than 368 seconds.
[ 1235.498705] Not tainted 7.0.0-rc3-ower-g96e41a3b44f8 #1
[ 1235.505954] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1235.515543] task:python3 state:D stack:25312 pid:4719 tgid:4719 ppid:4718 task_flags:0x400100 flags:0x00080002
[ 1235.528747] Call Trace:
[ 1235.532285]
[ 1235.535432] __schedule+0xad9/0x1490
[ 1235.540246] ? io_schedule_timeout+0x130/0x130
[ 1235.546031] ? find_held_lock+0x2b/0x80
[ 1235.551135] ? __lock_release.isra.0+0x59/0x170
[ 1235.557018] schedule+0xd4/0x260
[ 1235.561428] schedule_preempt_disabled+0x18/0x30
[ 1235.567408] __mutex_lock+0xd76/0x1f20
[ 1235.572406] ? threaded_store+0x132/0x220
[ 1235.577707] ? ww_mutex_lock+0x160/0x160
[ 1235.582904] ? selinux_inode_free_security+0x310/0x310
[ 1235.589472] ? cap_capable+0x1ed/0x3f0
[ 1235.594485] ? sysfs_file_ops+0x140/0x140
[ 1235.599789] ? threaded_store+0x132/0x220
[ 1235.605082] threaded_store+0x132/0x220
[ 1235.610183] ? tx_maxrate_store+0x4e0/0x4e0
[ 1235.615673] ? sysfs_file_ops+0x140/0x140
[ 1235.620970] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.626264] ? sysfs_kf_write+0x65/0x160
[ 1235.631464] kernfs_fop_write_iter+0x335/0x510
[ 1235.637248] ? kernfs_ops+0xf0/0xf0
[ 1235.641960] new_sync_write+0x308/0x6f0
[ 1235.647061] ? new_sync_read+0x6f0/0x6f0
[ 1235.652262] ? lock_acquire.part.0+0xbc/0x260
[ 1235.657948] ? ksys_write+0xff/0x200
[ 1235.662757] vfs_write+0x62a/0x980
[ 1235.667370] ksys_write+0xff/0x200
[ 1235.671984] ? __ia32_sys_read+0xc0/0xc0
[ 1235.677179] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.682765] ? rcu_is_watching+0x15/0xd0
[ 1235.687965] do_syscall_64+0xf3/0x5e0
[ 1235.692869] ? irq_exit_rcu+0x39/0xf0
[ 1235.697777] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.704246] RIP: 0033:0x7f1e88ffec5e
[ 1235.709055] RSP: 002b:00007ffecddcf8f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.718351] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1e88ffec5e
[ 1235.727156] RDX: 0000000000000001 RSI: 000056518126ecd0 RDI: 0000000000000007
[ 1235.735963] RBP: 00007ffecddcf900 R08: 0000000000000000 R09: 0000000000000000
[ 1235.744771] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1e88e99e80
[ 1235.753576] R13: 000056518126ecd0 R14: 0000000000000007 R15: 00007f1e896ffb98
[ 1235.762390]
[ 1235.765664] INFO: task python3:4719 is blocked on a mutex likely owned by task python3:2744.
[ 1235.775925] task:python3 state:D stack:25312 pid:2744 tgid:2744 ppid:2743 task_flags:0x400100 flags:0x00080802
[ 1235.789127] Call Trace:
[ 1235.792666]
[ 1235.795814] __schedule+0xad9/0x1490
[ 1235.800625] ? io_schedule_timeout+0x130/0x130
[ 1235.806409] ? find_held_lock+0x2b/0x80
[ 1235.811508] ? __try_to_del_timer_sync+0x154/0x1f0
[ 1235.817687] schedule+0xd4/0x260
[ 1235.822105] schedule_timeout+0x103/0x260
[ 1235.827406] ? rcu_is_watching+0x15/0xd0
[ 1235.832605] ? hrtimer_nanosleep_restart+0x180/0x180
[ 1235.838976] ? hrtimers_cpu_dying+0x250/0x250
[ 1235.844663] ? ww_mutex_lock+0x160/0x160
[ 1235.849862] msleep+0x1b/0x30
[ 1235.853987] napi_set_threaded+0x376/0x410
[ 1235.859380] ? napi_resume_irqs+0x1a0/0x1a0
[ 1235.864874] netif_set_threaded+0x254/0x400
[ 1235.870368] ? sysfs_file_ops+0x140/0x140
[ 1235.875662] threaded_store+0x1bb/0x220
[ 1235.880764] ? tx_maxrate_store+0x4e0/0x4e0
[ 1235.886254] ? sysfs_file_ops+0x140/0x140
[ 1235.891550] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.896845] ? sysfs_kf_write+0x65/0x160
[ 1235.902046] kernfs_fop_write_iter+0x335/0x510
[ 1235.907831] ? kernfs_ops+0xf0/0xf0
[ 1235.912535] new_sync_write+0x308/0x6f0
[ 1235.917636] ? new_sync_read+0x6f0/0x6f0
[ 1235.922837] ? lock_acquire.part.0+0xbc/0x260
[ 1235.928523] ? ksys_write+0xff/0x200
[ 1235.933333] vfs_write+0x62a/0x980
[ 1235.937938] ksys_write+0xff/0x200
[ 1235.942550] ? __ia32_sys_read+0xc0/0xc0
[ 1235.947747] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.953333] ? rcu_is_watching+0x15/0xd0
[ 1235.958531] do_syscall_64+0xf3/0x5e0
[ 1235.963437] ? exc_page_fault+0x9e/0xb0
[ 1235.968540] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.975005] RIP: 0033:0x7fa62c2a5c5e
[ 1235.979814] RSP: 002b:00007ffd0ed11120 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.989101] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa62c2a5c5e
[ 1235.997909] RDX: 0000000000000001 RSI: 0000558c4888dcd0 RDI: 0000000000000007
[ 1236.006708] RBP: 00007ffd0ed11130 R08: 0000000000000000 R09: 0000000000000000
[ 1236.015514] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa62c140e80
[ 1236.024322] R13: 0000558c4888dcd0 R14: 0000000000000007 R15: 00007fa62c0ce480
[ 1236.033136]
[ 1236.036405] \x0aShowing all locks held in the system:
[ 1236.044942] 1 lock held by khungtaskd/185:
[ 1236.050335] #0: ffffffff8cccde20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1236.061814] 4 locks held by python3/2744:
[ 1236.067110] #0: ff1100012e12c3f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1236.076902] #1: ff110001f098fa88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1236.087862] #2: ff11000121c750f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.099019] #3: ff11000121ce1cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.109112] 4 locks held by python3/4719:
[ 1236.114410] #0: ff1100012e12c3f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1236.124198] #1: ff1100017ea40888 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1236.135158] #2: ff11000121c750f0 (kn->active#127){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.146315] #3: ff11000121ce1cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.156413]
[ 1236.158876] =============================================\x0a