[ 783.411872] nipa-hw-worker: drivers/net:napi_threaded.py: timed out
[ 783.414345] nipa-hw-worker: [5/45] Retrying drivers/net:napi_threaded.py
[ 783.541253] kselftest: Running tests in drivers/net
[ 989.659537] INFO: task python3:5695 blocked for more than 122 seconds.
[ 989.667784] Not tainted 7.1.0-rc2-lwdd-g7b5999081c7b #1
[ 989.675735] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 989.685317] task:python3 state:D stack:25672 pid:5695 tgid:5695 ppid:5694 task_flags:0x400100 flags:0x00080000
[ 989.698523] Call Trace:
[ 989.702063]
[ 989.705218] __schedule+0xcba/0x1940
[ 989.710038] ? io_schedule_timeout+0x140/0x140
[ 989.715823] ? find_held_lock+0x2b/0x80
[ 989.720930] ? __lock_release.isra.0+0x6b/0x1a0
[ 989.726818] schedule+0xd4/0x260
[ 989.731236] schedule_preempt_disabled+0x18/0x30
[ 989.737215] __mutex_lock+0x6a3/0x2000
[ 989.742221] ? threaded_store+0x132/0x220
[ 989.747522] ? ww_mutex_lock+0x160/0x160
[ 989.752721] ? selinux_inode_free_security+0x330/0x330
[ 989.759290] ? cap_capable+0x1d6/0x3e0
[ 989.764298] ? threaded_store+0x132/0x220
[ 989.769597] threaded_store+0x132/0x220
[ 989.774704] ? xps_rxqs_store+0x2e0/0x2e0
[ 989.780001] ? sysfs_file_kobj+0xbd/0x1e0
[ 989.785301] ? sysfs_kf_write+0x65/0x160
[ 989.790500] ? sysfs_file_ops+0x140/0x140
[ 989.795796] kernfs_fop_write_iter+0x335/0x510
[ 989.801584] ? kernfs_ops+0xf0/0xf0
[ 989.806294] new_sync_write+0x333/0x750
[ 989.811398] ? __lock_acquire+0x508/0xc10
[ 989.816685] ? new_sync_read+0x740/0x740
[ 989.821886] ? lock_acquire.part.0+0xbc/0x260
[ 989.827572] ? ksys_write+0x116/0x250
[ 989.832485] vfs_write+0x657/0x9b0
[ 989.837101] ksys_write+0x116/0x250
[ 989.841814] ? __ia32_sys_read+0xc0/0xc0
[ 989.847005] ? kernfs_fop_llseek+0x160/0x1f0
[ 989.852594] ? rcu_is_watching+0x15/0xd0
[ 989.857794] do_syscall_64+0xf3/0x650
[ 989.862703] ? trace_hardirqs_off+0xd/0x30
[ 989.868098] ? exc_page_fault+0xda/0xf0
[ 989.873201] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 989.879671] RIP: 0033:0x7f4f2c85e22e
[ 989.884482] RSP: 002b:00007ffd5a6bfa30 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 989.893778] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f2c85e22e
[ 989.902579] RDX: 0000000000000001 RSI: 0000561e31a343d0 RDI: 0000000000000007
[ 989.911387] RBP: 00007ffd5a6bfa40 R08: 0000000000000000 R09: 0000000000000000
[ 989.920197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4f2c6d6390
[ 989.929003] R13: 0000561e31a343d0 R14: 0000000000000007 R15: 0000000000000003
[ 989.937830]
[ 989.941127] INFO: task python3:5695 is blocked on a mutex likely owned by task python3:3632.
[ 989.951400] task:python3 state:D stack:25672 pid:3632 tgid:3632 ppid:3631 task_flags:0x400100 flags:0x00080802
[ 989.964603] Call Trace:
[ 989.968140]
[ 989.971292] __schedule+0xcba/0x1940
[ 989.976103] ? io_schedule_timeout+0x140/0x140
[ 989.981886] ? find_held_lock+0x2b/0x80
[ 989.986991] ? __try_to_del_timer_sync+0x155/0x1f0
[ 989.993171] schedule+0xd4/0x260
[ 989.997589] schedule_timeout+0x13f/0x290
[ 990.002886] ? hrtimer_nanosleep_restart+0x270/0x270
[ 990.009255] ? trace_contention_end+0xb3/0x1a0
[ 990.015039] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 990.020730] ? ww_mutex_lock+0x160/0x160
[ 990.025930] msleep+0x1b/0x30
[ 990.030046] napi_set_threaded+0x3a5/0x440
[ 990.035440] ? napi_resume_irqs+0x1a0/0x1a0
[ 990.040933] netif_set_threaded+0x257/0x400
[ 990.046426] threaded_store+0x1b8/0x220
[ 990.051521] ? xps_rxqs_store+0x2e0/0x2e0
[ 990.056817] ? sysfs_file_kobj+0xbd/0x1e0
[ 990.062116] ? sysfs_kf_write+0x65/0x160
[ 990.067315] ? sysfs_file_ops+0x140/0x140
[ 990.072611] kernfs_fop_write_iter+0x335/0x510
[ 990.078398] ? kernfs_ops+0xf0/0xf0
[ 990.083109] new_sync_write+0x333/0x750
[ 990.088210] ? __lock_acquire+0x508/0xc10
[ 990.093510] ? new_sync_read+0x740/0x740
[ 990.098710] ? lock_acquire.part.0+0xbc/0x260
[ 990.104395] ? ksys_write+0x116/0x250
[ 990.109307] vfs_write+0x657/0x9b0
[ 990.113924] ksys_write+0x116/0x250
[ 990.118637] ? __ia32_sys_read+0xc0/0xc0
[ 990.123837] ? kernfs_fop_llseek+0x160/0x1f0
[ 990.129419] ? rcu_is_watching+0x15/0xd0
[ 990.134622] do_syscall_64+0xf3/0x650
[ 990.139530] ? irq_exit_rcu+0x1a/0x30
[ 990.144438] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 990.150905] RIP: 0033:0x7f69e692922e
[ 990.155705] RSP: 002b:00007ffc72a93cf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 990.165002] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f69e692922e
[ 990.173810] RDX: 0000000000000001 RSI: 000055843a4d53d0 RDI: 0000000000000007
[ 990.182619] RBP: 00007ffc72a93d00 R08: 0000000000000000 R09: 0000000000000000
[ 990.191428] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f69e67a1390
[ 990.200236] R13: 000055843a4d53d0 R14: 0000000000000007 R15: 0000000000000003
[ 990.209039]
[ 990.212299] \x0aShowing all locks held in the system:
[ 990.220838] 1 lock held by khungtaskd/184:
[ 990.226234] #0: ffffffffad6fdf60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 990.237724] 4 locks held by python3/3632:
[ 990.243019] #0: ff1100013022c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 990.252909] #1: ff1100013e8c7a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 990.263873] #2: ff1100012335ab50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.275031] #3: ff110001233c9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.285127] 4 locks held by python3/5695:
[ 990.290424] #0: ff1100013022c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 990.300312] #1: ff110001dcd7b880 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 990.311275] #2: ff1100012335ab50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.322436] #3: ff110001233c9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.332525]
[ 990.334992] =============================================\x0a
[ 1112.539736] INFO: task python3:5695 blocked for more than 245 seconds.
[ 1112.547882] Not tainted 7.1.0-rc2-lwdd-g7b5999081c7b #1
[ 1112.555132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1112.564723] task:python3 state:D stack:25672 pid:5695 tgid:5695 ppid:5694 task_flags:0x400100 flags:0x00080000
[ 1112.577930] Call Trace:
[ 1112.581470]
[ 1112.584621] __schedule+0xcba/0x1940
[ 1112.589439] ? io_schedule_timeout+0x140/0x140
[ 1112.595225] ? find_held_lock+0x2b/0x80
[ 1112.600332] ? __lock_release.isra.0+0x6b/0x1a0
[ 1112.606216] schedule+0xd4/0x260
[ 1112.610633] schedule_preempt_disabled+0x18/0x30
[ 1112.616615] __mutex_lock+0x6a3/0x2000
[ 1112.621618] ? threaded_store+0x132/0x220
[ 1112.626915] ? ww_mutex_lock+0x160/0x160
[ 1112.632114] ? selinux_inode_free_security+0x330/0x330
[ 1112.638683] ? cap_capable+0x1d6/0x3e0
[ 1112.643690] ? threaded_store+0x132/0x220
[ 1112.648987] threaded_store+0x132/0x220
[ 1112.654091] ? xps_rxqs_store+0x2e0/0x2e0
[ 1112.659388] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.664686] ? sysfs_kf_write+0x65/0x160
[ 1112.669889] ? sysfs_file_ops+0x140/0x140
[ 1112.675186] kernfs_fop_write_iter+0x335/0x510
[ 1112.680972] ? kernfs_ops+0xf0/0xf0
[ 1112.685682] new_sync_write+0x333/0x750
[ 1112.690787] ? __lock_acquire+0x508/0xc10
[ 1112.696073] ? new_sync_read+0x740/0x740
[ 1112.701275] ? lock_acquire.part.0+0xbc/0x260
[ 1112.706963] ? ksys_write+0x116/0x250
[ 1112.711863] vfs_write+0x657/0x9b0
[ 1112.716481] ksys_write+0x116/0x250
[ 1112.721194] ? __ia32_sys_read+0xc0/0xc0
[ 1112.726391] ? kernfs_fop_llseek+0x160/0x1f0
[ 1112.731981] ? rcu_is_watching+0x15/0xd0
[ 1112.737182] do_syscall_64+0xf3/0x650
[ 1112.742086] ? trace_hardirqs_off+0xd/0x30
[ 1112.747482] ? exc_page_fault+0xda/0xf0
[ 1112.752585] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1112.759056] RIP: 0033:0x7f4f2c85e22e
[ 1112.763867] RSP: 002b:00007ffd5a6bfa30 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1112.773166] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f2c85e22e
[ 1112.781976] RDX: 0000000000000001 RSI: 0000561e31a343d0 RDI: 0000000000000007
[ 1112.790786] RBP: 00007ffd5a6bfa40 R08: 0000000000000000 R09: 0000000000000000
[ 1112.799595] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4f2c6d6390
[ 1112.808405] R13: 0000561e31a343d0 R14: 0000000000000007 R15: 0000000000000003
[ 1112.817217]
[ 1112.820491] INFO: task python3:5695 is blocked on a mutex likely owned by task python3:3632.
[ 1112.830763] task:python3 state:D stack:25672 pid:3632 tgid:3632 ppid:3631 task_flags:0x400100 flags:0x00080802
[ 1112.843965] Call Trace:
[ 1112.847503]
[ 1112.850655] __schedule+0xcba/0x1940
[ 1112.855459] ? io_schedule_timeout+0x140/0x140
[ 1112.861243] ? find_held_lock+0x2b/0x80
[ 1112.866347] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1112.872524] schedule+0xd4/0x260
[ 1112.876934] schedule_timeout+0x13f/0x290
[ 1112.882231] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1112.888601] ? trace_contention_end+0xb3/0x1a0
[ 1112.894387] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1112.900079] ? ww_mutex_lock+0x160/0x160
[ 1112.905279] msleep+0x1b/0x30
[ 1112.909406] napi_set_threaded+0x3a5/0x440
[ 1112.914796] ? napi_resume_irqs+0x1a0/0x1a0
[ 1112.920288] netif_set_threaded+0x257/0x400
[ 1112.925773] threaded_store+0x1b8/0x220
[ 1112.930874] ? xps_rxqs_store+0x2e0/0x2e0
[ 1112.936173] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.941467] ? sysfs_kf_write+0x65/0x160
[ 1112.946667] ? sysfs_file_ops+0x140/0x140
[ 1112.951964] kernfs_fop_write_iter+0x335/0x510
[ 1112.957747] ? kernfs_ops+0xf0/0xf0
[ 1112.962458] new_sync_write+0x333/0x750
[ 1112.967562] ? __lock_acquire+0x508/0xc10
[ 1112.972859] ? new_sync_read+0x740/0x740
[ 1112.978060] ? lock_acquire.part.0+0xbc/0x260
[ 1112.983748] ? ksys_write+0x116/0x250
[ 1112.988657] vfs_write+0x657/0x9b0
[ 1112.993275] ksys_write+0x116/0x250
[ 1112.997989] ? __ia32_sys_read+0xc0/0xc0
[ 1113.003190] ? kernfs_fop_llseek+0x160/0x1f0
[ 1113.008772] ? rcu_is_watching+0x15/0xd0
[ 1113.013971] do_syscall_64+0xf3/0x650
[ 1113.018877] ? irq_exit_rcu+0x1a/0x30
[ 1113.023786] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1113.030245] RIP: 0033:0x7f69e692922e
[ 1113.035054] RSP: 002b:00007ffc72a93cf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1113.044351] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f69e692922e
[ 1113.053160] RDX: 0000000000000001 RSI: 000055843a4d53d0 RDI: 0000000000000007
[ 1113.061970] RBP: 00007ffc72a93d00 R08: 0000000000000000 R09: 0000000000000000
[ 1113.070780] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f69e67a1390
[ 1113.079590] R13: 000055843a4d53d0 R14: 0000000000000007 R15: 0000000000000003
[ 1113.088404]
[ 1113.091667] \x0aShowing all locks held in the system:
[ 1113.100204] 1 lock held by khungtaskd/184:
[ 1113.105599] #0: ffffffffad6fdf60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1113.117080] 4 locks held by python3/3632:
[ 1113.122378] #0: ff1100013022c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1113.132268] #1: ff1100013e8c7a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1113.143228] #2: ff1100012335ab50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.154383] #3: ff110001233c9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.164475] 4 locks held by python3/5695:
[ 1113.169770] #0: ff1100013022c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1113.179661] #1: ff110001dcd7b880 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1113.190621] #2: ff1100012335ab50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.201777] #3: ff110001233c9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.211867]
[ 1113.214331] =============================================\x0a
[ 1235.420950] INFO: task python3:5695 blocked for more than 368 seconds.
[ 1235.429098] Not tainted 7.1.0-rc2-lwdd-g7b5999081c7b #1
[ 1235.436347] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1235.445938] task:python3 state:D stack:25672 pid:5695 tgid:5695 ppid:5694 task_flags:0x400100 flags:0x00080002
[ 1235.459144] Call Trace:
[ 1235.462686]
[ 1235.465835] __schedule+0xcba/0x1940
[ 1235.470654] ? io_schedule_timeout+0x140/0x140
[ 1235.476439] ? find_held_lock+0x2b/0x80
[ 1235.481546] ? __lock_release.isra.0+0x6b/0x1a0
[ 1235.487431] schedule+0xd4/0x260
[ 1235.491849] schedule_preempt_disabled+0x18/0x30
[ 1235.497830] __mutex_lock+0x6a3/0x2000
[ 1235.502833] ? threaded_store+0x132/0x220
[ 1235.508136] ? ww_mutex_lock+0x160/0x160
[ 1235.513335] ? selinux_inode_free_security+0x330/0x330
[ 1235.519904] ? cap_capable+0x1d6/0x3e0
[ 1235.524912] ? threaded_store+0x132/0x220
[ 1235.530212] threaded_store+0x132/0x220
[ 1235.535313] ? xps_rxqs_store+0x2e0/0x2e0
[ 1235.540610] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.545906] ? sysfs_kf_write+0x65/0x160
[ 1235.551108] ? sysfs_file_ops+0x140/0x140
[ 1235.556405] kernfs_fop_write_iter+0x335/0x510
[ 1235.562191] ? kernfs_ops+0xf0/0xf0
[ 1235.566901] new_sync_write+0x333/0x750
[ 1235.571996] ? __lock_acquire+0x508/0xc10
[ 1235.577292] ? new_sync_read+0x740/0x740
[ 1235.582494] ? lock_acquire.part.0+0xbc/0x260
[ 1235.588181] ? ksys_write+0x116/0x250
[ 1235.593090] vfs_write+0x657/0x9b0
[ 1235.597707] ksys_write+0x116/0x250
[ 1235.602419] ? __ia32_sys_read+0xc0/0xc0
[ 1235.607616] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.613206] ? rcu_is_watching+0x15/0xd0
[ 1235.618411] do_syscall_64+0xf3/0x650
[ 1235.623320] ? trace_hardirqs_off+0xd/0x30
[ 1235.628716] ? exc_page_fault+0xda/0xf0
[ 1235.633817] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.640287] RIP: 0033:0x7f4f2c85e22e
[ 1235.645096] RSP: 002b:00007ffd5a6bfa30 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.654397] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f2c85e22e
[ 1235.663206] RDX: 0000000000000001 RSI: 0000561e31a343d0 RDI: 0000000000000007
[ 1235.672015] RBP: 00007ffd5a6bfa40 R08: 0000000000000000 R09: 0000000000000000
[ 1235.680823] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4f2c6d6390
[ 1235.689632] R13: 0000561e31a343d0 R14: 0000000000000007 R15: 0000000000000003
[ 1235.698444]
[ 1235.701718] INFO: task python3:5695 is blocked on a mutex likely owned by task python3:3632.
[ 1235.711991] task:python3 state:D stack:25672 pid:3632 tgid:3632 ppid:3631 task_flags:0x400100 flags:0x00080802
[ 1235.725194] Call Trace:
[ 1235.728733]
[ 1235.731885] __schedule+0xcba/0x1940
[ 1235.736697] ? io_schedule_timeout+0x140/0x140
[ 1235.742482] ? find_held_lock+0x2b/0x80
[ 1235.747577] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1235.753755] schedule+0xd4/0x260
[ 1235.758173] schedule_timeout+0x13f/0x290
[ 1235.763462] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1235.769832] ? trace_contention_end+0xb3/0x1a0
[ 1235.775620] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1235.781310] ? ww_mutex_lock+0x160/0x160
[ 1235.786511] msleep+0x1b/0x30
[ 1235.790637] napi_set_threaded+0x3a5/0x440
[ 1235.796035] ? napi_resume_irqs+0x1a0/0x1a0
[ 1235.801532] netif_set_threaded+0x257/0x400
[ 1235.807026] threaded_store+0x1b8/0x220
[ 1235.812130] ? xps_rxqs_store+0x2e0/0x2e0
[ 1235.817428] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.822726] ? sysfs_kf_write+0x65/0x160
[ 1235.827916] ? sysfs_file_ops+0x140/0x140
[ 1235.833211] kernfs_fop_write_iter+0x335/0x510
[ 1235.838998] ? kernfs_ops+0xf0/0xf0
[ 1235.843708] new_sync_write+0x333/0x750
[ 1235.848811] ? __lock_acquire+0x508/0xc10
[ 1235.854106] ? new_sync_read+0x740/0x740
[ 1235.859307] ? lock_acquire.part.0+0xbc/0x260
[ 1235.864993] ? ksys_write+0x116/0x250
[ 1235.869903] vfs_write+0x657/0x9b0
[ 1235.874520] ksys_write+0x116/0x250
[ 1235.879237] ? __ia32_sys_read+0xc0/0xc0
[ 1235.884434] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.890023] ? rcu_is_watching+0x15/0xd0
[ 1235.895225] do_syscall_64+0xf3/0x650
[ 1235.900134] ? irq_exit_rcu+0x1a/0x30
[ 1235.905041] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.911509] RIP: 0033:0x7f69e692922e
[ 1235.916308] RSP: 002b:00007ffc72a93cf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.925608] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f69e692922e
[ 1235.934415] RDX: 0000000000000001 RSI: 000055843a4d53d0 RDI: 0000000000000007
[ 1235.943222] RBP: 00007ffc72a93d00 R08: 0000000000000000 R09: 0000000000000000
[ 1235.952029] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f69e67a1390
[ 1235.960836] R13: 000055843a4d53d0 R14: 0000000000000007 R15: 0000000000000003
[ 1235.969640]
[ 1235.972906] \x0aShowing all locks held in the system:
[ 1235.981445] 1 lock held by khungtaskd/184:
[ 1235.986841] #0: ffffffffad6fdf60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1235.998310] 2 locks held by systemd-journal/801:
[ 1236.004290] #0: ff1100180dd372e0 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x18d/0x1940
[ 1236.014177] #1: ffffffffad9032a0 (mmu_notifier_invalidate_range_start){+.+.}-{0:0}, at: fs_reclaim_acquire+0x7b/0x120
[ 1236.026996] 4 locks held by python3/3632:
[ 1236.032290] #0: ff1100013022c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1236.042182] #1: ff1100013e8c7a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1236.053144] #2: ff1100012335ab50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.064304] #3: ff110001233c9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.074399] 4 locks held by python3/5695:
[ 1236.079694] #0: ff1100013022c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1236.089586] #1: ff110001dcd7b880 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1236.100548] #2: ff1100012335ab50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.111694] #3: ff110001233c9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.121786]
[ 1236.124254] =============================================\x0a
[ 1358.302173] INFO: task python3:5695 blocked for more than 491 seconds.
[ 1358.310320] Not tainted 7.1.0-rc2-lwdd-g7b5999081c7b #1
[ 1358.317560] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1358.327141] task:python3 state:D stack:25672 pid:5695 tgid:5695 ppid:5694 task_flags:0x400100 flags:0x00080002
[ 1358.340346] Call Trace:
[ 1358.343885]
[ 1358.347032] __schedule+0xcba/0x1940
[ 1358.351849] ? io_schedule_timeout+0x140/0x140
[ 1358.357635] ? find_held_lock+0x2b/0x80
[ 1358.362736] ? __lock_release.isra.0+0x6b/0x1a0
[ 1358.368619] schedule+0xd4/0x260
[ 1358.373026] schedule_preempt_disabled+0x18/0x30
[ 1358.379006] __mutex_lock+0x6a3/0x2000
[ 1358.383999] ? threaded_store+0x132/0x220
[ 1358.389298] ? ww_mutex_lock+0x160/0x160
[ 1358.394487] ? selinux_inode_free_security+0x330/0x330
[ 1358.401057] ? cap_capable+0x1d6/0x3e0
[ 1358.406065] ? threaded_store+0x132/0x220
[ 1358.411361] threaded_store+0x132/0x220
[ 1358.416460] ? xps_rxqs_store+0x2e0/0x2e0
[ 1358.421759] ? sysfs_file_kobj+0xbd/0x1e0
[ 1358.427056] ? sysfs_kf_write+0x65/0x160
[ 1358.432257] ? sysfs_file_ops+0x140/0x140
[ 1358.437553] kernfs_fop_write_iter+0x335/0x510
[ 1358.443334] ? kernfs_ops+0xf0/0xf0
[ 1358.448045] new_sync_write+0x333/0x750
[ 1358.453141] ? __lock_acquire+0x508/0xc10
[ 1358.458427] ? new_sync_read+0x740/0x740
[ 1358.463625] ? lock_acquire.part.0+0xbc/0x260
[ 1358.469312] ? ksys_write+0x116/0x250
[ 1358.474221] vfs_write+0x657/0x9b0
[ 1358.478825] ksys_write+0x116/0x250
[ 1358.483533] ? __ia32_sys_read+0xc0/0xc0
[ 1358.488730] ? kernfs_fop_llseek+0x160/0x1f0
[ 1358.494317] ? rcu_is_watching+0x15/0xd0
[ 1358.499517] do_syscall_64+0xf3/0x650
[ 1358.504414] ? trace_hardirqs_off+0xd/0x30
[ 1358.509806] ? exc_page_fault+0xda/0xf0
[ 1358.514905] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1358.521370] RIP: 0033:0x7f4f2c85e22e
[ 1358.526178] RSP: 002b:00007ffd5a6bfa30 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1358.535476] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f2c85e22e
[ 1358.544282] RDX: 0000000000000001 RSI: 0000561e31a343d0 RDI: 0000000000000007
[ 1358.553088] RBP: 00007ffd5a6bfa40 R08: 0000000000000000 R09: 0000000000000000
[ 1358.561893] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4f2c6d6390
[ 1358.570699] R13: 0000561e31a343d0 R14: 0000000000000007 R15: 0000000000000003
[ 1358.579510]
[ 1358.582780] INFO: task python3:5695 is blocked on a mutex likely owned by task python3:3632.
[ 1358.593053] task:python3 state:D stack:25672 pid:3632 tgid:3632 ppid:3631 task_flags:0x400100 flags:0x00080802
[ 1358.606256] Call Trace:
[ 1358.609795]
[ 1358.612943] __schedule+0xcba/0x1940
[ 1358.617753] ? io_schedule_timeout+0x140/0x140
[ 1358.623535] ? find_held_lock+0x2b/0x80
[ 1358.628636] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1358.634815] schedule+0xd4/0x260
[ 1358.639231] schedule_timeout+0x13f/0x290
[ 1358.644525] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1358.650893] ? trace_contention_end+0xb3/0x1a0
[ 1358.656676] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1358.662366] ? ww_mutex_lock+0x160/0x160
[ 1358.667563] msleep+0x1b/0x30
[ 1358.671686] napi_set_threaded+0x3a5/0x440
[ 1358.677083] ? napi_resume_irqs+0x1a0/0x1a0
[ 1358.682565] netif_set_threaded+0x257/0x400
[ 1358.688056] threaded_store+0x1b8/0x220
[ 1358.693158] ? xps_rxqs_store+0x2e0/0x2e0
[ 1358.698445] ? sysfs_file_kobj+0xbd/0x1e0
[ 1358.703742] ? sysfs_kf_write+0x65/0x160
[ 1358.708940] ? sysfs_file_ops+0x140/0x140
[ 1358.714234] kernfs_fop_write_iter+0x335/0x510
[ 1358.720025] ? kernfs_ops+0xf0/0xf0
[ 1358.724734] new_sync_write+0x333/0x750
[ 1358.729835] ? __lock_acquire+0x508/0xc10
[ 1358.735128] ? new_sync_read+0x740/0x740
[ 1358.740328] ? lock_acquire.part.0+0xbc/0x260
[ 1358.746003] ? ksys_write+0x116/0x250
[ 1358.750911] vfs_write+0x657/0x9b0
[ 1358.755517] ksys_write+0x116/0x250
[ 1358.760228] ? __ia32_sys_read+0xc0/0xc0
[ 1358.765425] ? kernfs_fop_llseek+0x160/0x1f0
[ 1358.771019] ? rcu_is_watching+0x15/0xd0
[ 1358.776216] do_syscall_64+0xf3/0x650
[ 1358.781120] ? irq_exit_rcu+0x1a/0x30
[ 1358.786029] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1358.792493] RIP: 0033:0x7f69e692922e
[ 1358.797301] RSP: 002b:00007ffc72a93cf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1358.806595] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f69e692922e
[ 1358.815402] RDX: 0000000000000001 RSI: 000055843a4d53d0 RDI: 0000000000000007
[ 1358.824210] RBP: 00007ffc72a93d00 R08: 0000000000000000 R09: 0000000000000000
[ 1358.833010] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f69e67a1390
[ 1358.841817] R13: 000055843a4d53d0 R14: 0000000000000007 R15: 0000000000000003
[ 1358.850703]
[ 1358.853958] \x0aShowing all locks held in the system:
[ 1358.862493] 1 lock held by khungtaskd/184:
[ 1358.867886] #0: ffffffffad6fdf60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1358.879365] 4 locks held by python3/3632:
[ 1358.884661] #0: ff1100013022c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1358.894549] #1: ff1100013e8c7a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1358.905515] #2: ff1100012335ab50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1358.916672] #3: ff110001233c9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1358.926766] 4 locks held by python3/5695:
[ 1358.932060] #0: ff1100013022c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1358.941951] #1: ff110001dcd7b880 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1358.952913] #2: ff1100012335ab50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1358.964072] #3: ff110001233c9d68 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1358.974164] 2 locks held by unix_chkpwd/7534:
[ 1358.979849] #0: ff1100180e4372e0 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x18d/0x1940
[ 1358.989737] #1: ffffffffad6fdf60 (rcu_read_lock){....}-{1:3}, at: __update_idle_core+0x5a/0x700
[ 1359.000413]
[ 1359.002878] =============================================\x0a