[ 782.404825] nipa-hw-worker: drivers/net:napi_threaded.py: timed out
[ 782.407763] nipa-hw-worker: [5/43] Retrying drivers/net:napi_threaded.py
[ 782.558444] kselftest: Running tests in drivers/net
[ 989.678714] INFO: task python3:5731 blocked for more than 122 seconds.
[ 989.686936] Not tainted 7.1.0-rc1-yuzy-gce627b16a197 #1
[ 989.694805] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 989.704396] task:python3 state:D stack:25672 pid:5731 tgid:5731 ppid:5730 task_flags:0x400100 flags:0x00080000
[ 989.717599] Call Trace:
[ 989.721139]
[ 989.724287] __schedule+0xcba/0x1940
[ 989.729103] ? io_schedule_timeout+0x140/0x140
[ 989.734886] ? find_held_lock+0x2b/0x80
[ 989.739989] ? __lock_release.isra.0+0x6b/0x1a0
[ 989.745875] schedule+0xd4/0x260
[ 989.750294] schedule_preempt_disabled+0x18/0x30
[ 989.756272] __mutex_lock+0x6a3/0x2000
[ 989.761274] ? threaded_store+0x132/0x220
[ 989.766572] ? ww_mutex_lock+0x160/0x160
[ 989.771772] ? selinux_inode_free_security+0x330/0x330
[ 989.778341] ? cap_capable+0x1d6/0x3e0
[ 989.783351] ? threaded_store+0x132/0x220
[ 989.788649] threaded_store+0x132/0x220
[ 989.793752] ? xps_rxqs_store+0x2e0/0x2e0
[ 989.799047] ? sysfs_file_kobj+0xbd/0x1e0
[ 989.804344] ? sysfs_kf_write+0x65/0x160
[ 989.809549] ? sysfs_file_ops+0x140/0x140
[ 989.814842] kernfs_fop_write_iter+0x335/0x510
[ 989.820626] ? kernfs_ops+0xf0/0xf0
[ 989.825338] new_sync_write+0x333/0x750
[ 989.830442] ? __lock_acquire+0x508/0xc10
[ 989.835738] ? new_sync_read+0x740/0x740
[ 989.840935] ? lock_acquire.part.0+0xbc/0x260
[ 989.846623] ? ksys_write+0x116/0x250
[ 989.851534] vfs_write+0x657/0x9b0
[ 989.856148] ksys_write+0x116/0x250
[ 989.860858] ? __ia32_sys_read+0xc0/0xc0
[ 989.866056] ? kernfs_fop_llseek+0x160/0x1f0
[ 989.871645] ? rcu_is_watching+0x15/0xd0
[ 989.876839] do_syscall_64+0xf3/0x650
[ 989.881743] ? trace_hardirqs_off+0xd/0x30
[ 989.887137] ? exc_page_fault+0xda/0xf0
[ 989.892237] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 989.898704] RIP: 0033:0x7f2d25cd622e
[ 989.903512] RSP: 002b:00007ffee6734670 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 989.912810] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2d25cd622e
[ 989.921618] RDX: 0000000000000001 RSI: 0000559712f57a10 RDI: 0000000000000007
[ 989.930416] RBP: 00007ffee6734680 R08: 0000000000000000 R09: 0000000000000000
[ 989.939223] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2d25b4e390
[ 989.948029] R13: 0000559712f57a10 R14: 0000000000000007 R15: 0000000000000003
[ 989.956843]
[ 989.960144] INFO: task python3:5731 is blocked on a mutex likely owned by task python3:3637.
[ 989.970407] task:python3 state:D stack:25672 pid:3637 tgid:3637 ppid:3636 task_flags:0x400100 flags:0x00080802
[ 989.983606] Call Trace:
[ 989.987145]
[ 989.990297] __schedule+0xcba/0x1940
[ 989.995109] ? io_schedule_timeout+0x140/0x140
[ 990.000892] ? find_held_lock+0x2b/0x80
[ 990.005994] ? __try_to_del_timer_sync+0x155/0x1f0
[ 990.012160] schedule+0xd4/0x260
[ 990.016576] schedule_timeout+0x13f/0x290
[ 990.021870] ? hrtimer_nanosleep_restart+0x270/0x270
[ 990.028237] ? trace_contention_end+0xb3/0x1a0
[ 990.034021] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 990.039710] ? ww_mutex_lock+0x160/0x160
[ 990.044918] msleep+0x1b/0x30
[ 990.049042] napi_set_threaded+0x3a5/0x440
[ 990.054434] ? napi_resume_irqs+0x1a0/0x1a0
[ 990.059928] netif_set_threaded+0x257/0x400
[ 990.065419] threaded_store+0x1b8/0x220
[ 990.070519] ? xps_rxqs_store+0x2e0/0x2e0
[ 990.075814] ? sysfs_file_kobj+0xbd/0x1e0
[ 990.081111] ? sysfs_kf_write+0x65/0x160
[ 990.086308] ? sysfs_file_ops+0x140/0x140
[ 990.091600] kernfs_fop_write_iter+0x335/0x510
[ 990.097382] ? kernfs_ops+0xf0/0xf0
[ 990.102090] new_sync_write+0x333/0x750
[ 990.107190] ? __lock_acquire+0x508/0xc10
[ 990.112484] ? new_sync_read+0x740/0x740
[ 990.117682] ? lock_acquire.part.0+0xbc/0x260
[ 990.123368] ? ksys_write+0x116/0x250
[ 990.128279] vfs_write+0x657/0x9b0
[ 990.132895] ksys_write+0x116/0x250
[ 990.137606] ? __ia32_sys_read+0xc0/0xc0
[ 990.142802] ? kernfs_fop_llseek+0x160/0x1f0
[ 990.148392] ? rcu_is_watching+0x15/0xd0
[ 990.153591] do_syscall_64+0xf3/0x650
[ 990.158496] ? irq_exit_rcu+0x1a/0x30
[ 990.163401] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 990.169867] RIP: 0033:0x7fb24862422e
[ 990.174676] RSP: 002b:00007ffd9b0fc2c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 990.183971] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb24862422e
[ 990.192779] RDX: 0000000000000001 RSI: 00005565e0530a10 RDI: 0000000000000007
[ 990.201585] RBP: 00007ffd9b0fc2d0 R08: 0000000000000000 R09: 0000000000000000
[ 990.210389] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb24849c390
[ 990.219197] R13: 00005565e0530a10 R14: 0000000000000007 R15: 0000000000000003
[ 990.228001]
[ 990.231260] \x0aShowing all locks held in the system:
[ 990.239797] 1 lock held by khungtaskd/185:
[ 990.245191] #0: ffffffff94cfdee0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 990.256673] 4 locks held by python3/3637:
[ 990.261968] #0: ff1100012d77c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 990.271856] #1: ff11000163f46280 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 990.282818] #2: ff110001219acb50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.293975] #3: ff110001219f9d60 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.304062] 4 locks held by python3/5731:
[ 990.309358] #0: ff1100012d77c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 990.319243] #1: ff110001c6ba4a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 990.330203] #2: ff110001219acb50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.341358] #3: ff110001219f9d60 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.351447]
[ 990.353913] =============================================\x0a
[ 1112.559914] INFO: task python3:5731 blocked for more than 245 seconds.
[ 1112.568061] Not tainted 7.1.0-rc1-yuzy-gce627b16a197 #1
[ 1112.575311] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1112.584899] task:python3 state:D stack:25672 pid:5731 tgid:5731 ppid:5730 task_flags:0x400100 flags:0x00080000
[ 1112.598103] Call Trace:
[ 1112.601642]
[ 1112.604796] __schedule+0xcba/0x1940
[ 1112.609614] ? io_schedule_timeout+0x140/0x140
[ 1112.615401] ? find_held_lock+0x2b/0x80
[ 1112.620509] ? __lock_release.isra.0+0x6b/0x1a0
[ 1112.626393] schedule+0xd4/0x260
[ 1112.630814] schedule_preempt_disabled+0x18/0x30
[ 1112.636792] __mutex_lock+0x6a3/0x2000
[ 1112.641796] ? threaded_store+0x132/0x220
[ 1112.647098] ? ww_mutex_lock+0x160/0x160
[ 1112.652298] ? selinux_inode_free_security+0x330/0x330
[ 1112.658867] ? cap_capable+0x1d6/0x3e0
[ 1112.663878] ? threaded_store+0x132/0x220
[ 1112.669175] threaded_store+0x132/0x220
[ 1112.674276] ? xps_rxqs_store+0x2e0/0x2e0
[ 1112.679576] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.684876] ? sysfs_kf_write+0x65/0x160
[ 1112.690077] ? sysfs_file_ops+0x140/0x140
[ 1112.695372] kernfs_fop_write_iter+0x335/0x510
[ 1112.701158] ? kernfs_ops+0xf0/0xf0
[ 1112.705870] new_sync_write+0x333/0x750
[ 1112.710974] ? __lock_acquire+0x508/0xc10
[ 1112.716270] ? new_sync_read+0x740/0x740
[ 1112.721472] ? lock_acquire.part.0+0xbc/0x260
[ 1112.727158] ? ksys_write+0x116/0x250
[ 1112.732067] vfs_write+0x657/0x9b0
[ 1112.736684] ksys_write+0x116/0x250
[ 1112.741398] ? __ia32_sys_read+0xc0/0xc0
[ 1112.746598] ? kernfs_fop_llseek+0x160/0x1f0
[ 1112.752179] ? rcu_is_watching+0x15/0xd0
[ 1112.757382] do_syscall_64+0xf3/0x650
[ 1112.762289] ? trace_hardirqs_off+0xd/0x30
[ 1112.767684] ? exc_page_fault+0xda/0xf0
[ 1112.772786] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1112.779256] RIP: 0033:0x7f2d25cd622e
[ 1112.784065] RSP: 002b:00007ffee6734670 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1112.793364] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2d25cd622e
[ 1112.802175] RDX: 0000000000000001 RSI: 0000559712f57a10 RDI: 0000000000000007
[ 1112.810985] RBP: 00007ffee6734680 R08: 0000000000000000 R09: 0000000000000000
[ 1112.819795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2d25b4e390
[ 1112.828604] R13: 0000559712f57a10 R14: 0000000000000007 R15: 0000000000000003
[ 1112.837418]
[ 1112.840698] INFO: task python3:5731 is blocked on a mutex likely owned by task python3:3637.
[ 1112.850972] task:python3 state:D stack:25672 pid:3637 tgid:3637 ppid:3636 task_flags:0x400100 flags:0x00080802
[ 1112.864175] Call Trace:
[ 1112.867713]
[ 1112.870862] __schedule+0xcba/0x1940
[ 1112.875676] ? io_schedule_timeout+0x140/0x140
[ 1112.881460] ? find_held_lock+0x2b/0x80
[ 1112.886565] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1112.892746] schedule+0xd4/0x260
[ 1112.897169] schedule_timeout+0x13f/0x290
[ 1112.902469] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1112.908838] ? trace_contention_end+0xb3/0x1a0
[ 1112.914621] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1112.920313] ? ww_mutex_lock+0x160/0x160
[ 1112.925513] msleep+0x1b/0x30
[ 1112.929638] napi_set_threaded+0x3a5/0x440
[ 1112.935035] ? napi_resume_irqs+0x1a0/0x1a0
[ 1112.940532] netif_set_threaded+0x257/0x400
[ 1112.946026] threaded_store+0x1b8/0x220
[ 1112.951128] ? xps_rxqs_store+0x2e0/0x2e0
[ 1112.956425] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.961723] ? sysfs_kf_write+0x65/0x160
[ 1112.966921] ? sysfs_file_ops+0x140/0x140
[ 1112.972217] kernfs_fop_write_iter+0x335/0x510
[ 1112.978003] ? kernfs_ops+0xf0/0xf0
[ 1112.982717] new_sync_write+0x333/0x750
[ 1112.987819] ? __lock_acquire+0x508/0xc10
[ 1112.993114] ? new_sync_read+0x740/0x740
[ 1112.998314] ? lock_acquire.part.0+0xbc/0x260
[ 1113.003999] ? ksys_write+0x116/0x250
[ 1113.008911] vfs_write+0x657/0x9b0
[ 1113.013528] ksys_write+0x116/0x250
[ 1113.018240] ? __ia32_sys_read+0xc0/0xc0
[ 1113.023440] ? kernfs_fop_llseek+0x160/0x1f0
[ 1113.029029] ? rcu_is_watching+0x15/0xd0
[ 1113.034231] do_syscall_64+0xf3/0x650
[ 1113.039139] ? irq_exit_rcu+0x1a/0x30
[ 1113.044046] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1113.050513] RIP: 0033:0x7fb24862422e
[ 1113.055321] RSP: 002b:00007ffd9b0fc2c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1113.064620] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb24862422e
[ 1113.073430] RDX: 0000000000000001 RSI: 00005565e0530a10 RDI: 0000000000000007
[ 1113.082241] RBP: 00007ffd9b0fc2d0 R08: 0000000000000000 R09: 0000000000000000
[ 1113.091050] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb24849c390
[ 1113.099859] R13: 00005565e0530a10 R14: 0000000000000007 R15: 0000000000000003
[ 1113.108674]
[ 1113.111939] \x0aShowing all locks held in the system:
[ 1113.120477] 1 lock held by khungtaskd/185:
[ 1113.125871] #0: ffffffff94cfdee0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1113.137355] 4 locks held by python3/3637:
[ 1113.142651] #0: ff1100012d77c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1113.152542] #1: ff11000163f46280 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1113.163504] #2: ff110001219acb50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.174660] #3: ff110001219f9d60 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.184759] 4 locks held by python3/5731:
[ 1113.190054] #0: ff1100012d77c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1113.199944] #1: ff110001c6ba4a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1113.210906] #2: ff110001219acb50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.222064] #3: ff110001219f9d60 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.232155]
[ 1113.234622] =============================================\x0a
[ 1235.441128] INFO: task python3:5731 blocked for more than 368 seconds.
[ 1235.449277] Not tainted 7.1.0-rc1-yuzy-gce627b16a197 #1
[ 1235.456528] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1235.466115] task:python3 state:D stack:25672 pid:5731 tgid:5731 ppid:5730 task_flags:0x400100 flags:0x00080002
[ 1235.479319] Call Trace:
[ 1235.482859]
[ 1235.486011] __schedule+0xcba/0x1940
[ 1235.490824] ? io_schedule_timeout+0x140/0x140
[ 1235.496611] ? find_held_lock+0x2b/0x80
[ 1235.501716] ? __lock_release.isra.0+0x6b/0x1a0
[ 1235.507600] schedule+0xd4/0x260
[ 1235.512016] schedule_preempt_disabled+0x18/0x30
[ 1235.517993] __mutex_lock+0x6a3/0x2000
[ 1235.522995] ? threaded_store+0x132/0x220
[ 1235.528291] ? ww_mutex_lock+0x160/0x160
[ 1235.533489] ? selinux_inode_free_security+0x330/0x330
[ 1235.540058] ? cap_capable+0x1d6/0x3e0
[ 1235.545065] ? threaded_store+0x132/0x220
[ 1235.550361] threaded_store+0x132/0x220
[ 1235.555460] ? xps_rxqs_store+0x2e0/0x2e0
[ 1235.560757] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.566055] ? sysfs_kf_write+0x65/0x160
[ 1235.571256] ? sysfs_file_ops+0x140/0x140
[ 1235.576553] kernfs_fop_write_iter+0x335/0x510
[ 1235.582339] ? kernfs_ops+0xf0/0xf0
[ 1235.587041] new_sync_write+0x333/0x750
[ 1235.592136] ? __lock_acquire+0x508/0xc10
[ 1235.597432] ? new_sync_read+0x740/0x740
[ 1235.602633] ? lock_acquire.part.0+0xbc/0x260
[ 1235.608320] ? ksys_write+0x116/0x250
[ 1235.613230] vfs_write+0x657/0x9b0
[ 1235.617842] ksys_write+0x116/0x250
[ 1235.622554] ? __ia32_sys_read+0xc0/0xc0
[ 1235.627750] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.633336] ? rcu_is_watching+0x15/0xd0
[ 1235.638539] do_syscall_64+0xf3/0x650
[ 1235.643442] ? trace_hardirqs_off+0xd/0x30
[ 1235.648837] ? exc_page_fault+0xda/0xf0
[ 1235.653939] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.660403] RIP: 0033:0x7f2d25cd622e
[ 1235.665212] RSP: 002b:00007ffee6734670 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.674508] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2d25cd622e
[ 1235.683317] RDX: 0000000000000001 RSI: 0000559712f57a10 RDI: 0000000000000007
[ 1235.692123] RBP: 00007ffee6734680 R08: 0000000000000000 R09: 0000000000000000
[ 1235.700929] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2d25b4e390
[ 1235.709737] R13: 0000559712f57a10 R14: 0000000000000007 R15: 0000000000000003
[ 1235.718539]
[ 1235.721830] INFO: task python3:5731 is blocked on a mutex likely owned by task python3:3637.
[ 1235.732102] task:python3 state:D stack:25672 pid:3637 tgid:3637 ppid:3636 task_flags:0x400100 flags:0x00080802
[ 1235.745302] Call Trace:
[ 1235.748838]
[ 1235.751987] __schedule+0xcba/0x1940
[ 1235.756799] ? io_schedule_timeout+0x140/0x140
[ 1235.762586] ? find_held_lock+0x2b/0x80
[ 1235.767691] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1235.773869] schedule+0xd4/0x260
[ 1235.778288] schedule_timeout+0x13f/0x290
[ 1235.783582] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1235.789950] ? trace_contention_end+0xb3/0x1a0
[ 1235.795734] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1235.801425] ? ww_mutex_lock+0x160/0x160
[ 1235.806621] msleep+0x1b/0x30
[ 1235.810748] napi_set_threaded+0x3a5/0x440
[ 1235.816133] ? napi_resume_irqs+0x1a0/0x1a0
[ 1235.821627] netif_set_threaded+0x257/0x400
[ 1235.827122] threaded_store+0x1b8/0x220
[ 1235.832222] ? xps_rxqs_store+0x2e0/0x2e0
[ 1235.837517] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.842812] ? sysfs_kf_write+0x65/0x160
[ 1235.848008] ? sysfs_file_ops+0x140/0x140
[ 1235.853305] kernfs_fop_write_iter+0x335/0x510
[ 1235.859089] ? kernfs_ops+0xf0/0xf0
[ 1235.863799] new_sync_write+0x333/0x750
[ 1235.868902] ? __lock_acquire+0x508/0xc10
[ 1235.874197] ? new_sync_read+0x740/0x740
[ 1235.879394] ? lock_acquire.part.0+0xbc/0x260
[ 1235.885081] ? ksys_write+0x116/0x250
[ 1235.889992] vfs_write+0x657/0x9b0
[ 1235.894608] ksys_write+0x116/0x250
[ 1235.899321] ? __ia32_sys_read+0xc0/0xc0
[ 1235.904519] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.910105] ? rcu_is_watching+0x15/0xd0
[ 1235.915305] do_syscall_64+0xf3/0x650
[ 1235.920202] ? irq_exit_rcu+0x1a/0x30
[ 1235.925110] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.931566] RIP: 0033:0x7fb24862422e
[ 1235.936375] RSP: 002b:00007ffd9b0fc2c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.945671] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb24862422e
[ 1235.954468] RDX: 0000000000000001 RSI: 00005565e0530a10 RDI: 0000000000000007
[ 1235.963274] RBP: 00007ffd9b0fc2d0 R08: 0000000000000000 R09: 0000000000000000
[ 1235.972083] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb24849c390
[ 1235.980891] R13: 00005565e0530a10 R14: 0000000000000007 R15: 0000000000000003
[ 1235.989703]
[ 1235.992965] \x0aShowing all locks held in the system:
[ 1236.001502] 1 lock held by khungtaskd/185:
[ 1236.006894] #0: ffffffff94cfdee0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1236.018364] 3 locks held by systemd-journal/805:
[ 1236.024341] #0: ff1100180e7372e0 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x18d/0x1940
[ 1236.034227] #1: ffffffff94f030a0 (mmu_notifier_invalidate_range_start){+.+.}-{0:0}, at: fs_reclaim_acquire+0x7b/0x120
[ 1236.047041] #2: ff110001535905a0 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0x114/0x2d0
[ 1236.058597] 4 locks held by python3/3637:
[ 1236.063893] #0: ff1100012d77c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1236.073780] #1: ff11000163f46280 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1236.084739] #2: ff110001219acb50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.095895] #3: ff110001219f9d60 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.105996] 4 locks held by python3/5731:
[ 1236.111289] #0: ff1100012d77c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1236.121177] #1: ff110001c6ba4a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1236.132135] #2: ff110001219acb50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.143291] #3: ff110001219f9d60 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.153379]
[ 1236.155844] =============================================\x0a
[ 1358.322383] INFO: task python3:5731 blocked for more than 491 seconds.
[ 1358.330535] Not tainted 7.1.0-rc1-yuzy-gce627b16a197 #1
[ 1358.337784] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1358.347372] task:python3 state:D stack:25672 pid:5731 tgid:5731 ppid:5730 task_flags:0x400100 flags:0x00080002
[ 1358.360577] Call Trace:
[ 1358.364120]
[ 1358.367264] __schedule+0xcba/0x1940
[ 1358.372082] ? io_schedule_timeout+0x140/0x140
[ 1358.377869] ? find_held_lock+0x2b/0x80
[ 1358.382976] ? __lock_release.isra.0+0x6b/0x1a0
[ 1358.388861] schedule+0xd4/0x260
[ 1358.393282] schedule_preempt_disabled+0x18/0x30
[ 1358.399264] __mutex_lock+0x6a3/0x2000
[ 1358.404272] ? threaded_store+0x132/0x220
[ 1358.409571] ? ww_mutex_lock+0x160/0x160
[ 1358.414771] ? selinux_inode_free_security+0x330/0x330
[ 1358.421339] ? cap_capable+0x1d6/0x3e0
[ 1358.426353] ? threaded_store+0x132/0x220
[ 1358.431652] threaded_store+0x132/0x220
[ 1358.436755] ? xps_rxqs_store+0x2e0/0x2e0
[ 1358.442051] ? sysfs_file_kobj+0xbd/0x1e0
[ 1358.447342] ? sysfs_kf_write+0x65/0x160
[ 1358.452544] ? sysfs_file_ops+0x140/0x140
[ 1358.457841] kernfs_fop_write_iter+0x335/0x510
[ 1358.463628] ? kernfs_ops+0xf0/0xf0
[ 1358.468339] new_sync_write+0x333/0x750
[ 1358.473443] ? __lock_acquire+0x508/0xc10
[ 1358.478731] ? new_sync_read+0x740/0x740
[ 1358.483932] ? lock_acquire.part.0+0xbc/0x260
[ 1358.489619] ? ksys_write+0x116/0x250
[ 1358.494529] vfs_write+0x657/0x9b0
[ 1358.499145] ksys_write+0x116/0x250
[ 1358.503858] ? __ia32_sys_read+0xc0/0xc0
[ 1358.509059] ? kernfs_fop_llseek+0x160/0x1f0
[ 1358.514649] ? rcu_is_watching+0x15/0xd0
[ 1358.519850] do_syscall_64+0xf3/0x650
[ 1358.524759] ? trace_hardirqs_off+0xd/0x30
[ 1358.530154] ? exc_page_fault+0xda/0xf0
[ 1358.535256] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1358.541726] RIP: 0033:0x7f2d25cd622e
[ 1358.546539] RSP: 002b:00007ffee6734670 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1358.555837] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2d25cd622e
[ 1358.564647] RDX: 0000000000000001 RSI: 0000559712f57a10 RDI: 0000000000000007
[ 1358.573457] RBP: 00007ffee6734680 R08: 0000000000000000 R09: 0000000000000000
[ 1358.582267] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2d25b4e390
[ 1358.591076] R13: 0000559712f57a10 R14: 0000000000000007 R15: 0000000000000003
[ 1358.599891]
[ 1358.603165] INFO: task python3:5731 is blocked on a mutex likely owned by task python3:3637.
[ 1358.613436] task:python3 state:D stack:25672 pid:3637 tgid:3637 ppid:3636 task_flags:0x400100 flags:0x00080802
[ 1358.626640] Call Trace:
[ 1358.630179]
[ 1358.633328] __schedule+0xcba/0x1940
[ 1358.638141] ? io_schedule_timeout+0x140/0x140
[ 1358.643924] ? find_held_lock+0x2b/0x80
[ 1358.649029] ? __try_to_del_timer_sync+0x155/0x1f0
[ 1358.655206] schedule+0xd4/0x260
[ 1358.659626] schedule_timeout+0x13f/0x290
[ 1358.664923] ? hrtimer_nanosleep_restart+0x270/0x270
[ 1358.671293] ? trace_contention_end+0xb3/0x1a0
[ 1358.677075] ? hrtimers_cpu_dying+0x3e0/0x3e0
[ 1358.682766] ? ww_mutex_lock+0x160/0x160
[ 1358.687967] msleep+0x1b/0x30
[ 1358.692095] napi_set_threaded+0x3a5/0x440
[ 1358.697492] ? napi_resume_irqs+0x1a0/0x1a0
[ 1358.702990] netif_set_threaded+0x257/0x400
[ 1358.708483] threaded_store+0x1b8/0x220
[ 1358.713586] ? xps_rxqs_store+0x2e0/0x2e0
[ 1358.718873] ? sysfs_file_kobj+0xbd/0x1e0
[ 1358.724172] ? sysfs_kf_write+0x65/0x160
[ 1358.729372] ? sysfs_file_ops+0x140/0x140
[ 1358.734668] kernfs_fop_write_iter+0x335/0x510
[ 1358.740451] ? kernfs_ops+0xf0/0xf0
[ 1358.745162] new_sync_write+0x333/0x750
[ 1358.750264] ? __lock_acquire+0x508/0xc10
[ 1358.755563] ? new_sync_read+0x740/0x740
[ 1358.760762] ? lock_acquire.part.0+0xbc/0x260
[ 1358.766439] ? ksys_write+0x116/0x250
[ 1358.771352] vfs_write+0x657/0x9b0
[ 1358.775969] ksys_write+0x116/0x250
[ 1358.780681] ? __ia32_sys_read+0xc0/0xc0
[ 1358.785874] ? kernfs_fop_llseek+0x160/0x1f0
[ 1358.791463] ? rcu_is_watching+0x15/0xd0
[ 1358.796654] do_syscall_64+0xf3/0x650
[ 1358.801562] ? irq_exit_rcu+0x1a/0x30
[ 1358.806470] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1358.812939] RIP: 0033:0x7fb24862422e
[ 1358.817746] RSP: 002b:00007ffd9b0fc2c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1358.827043] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb24862422e
[ 1358.835852] RDX: 0000000000000001 RSI: 00005565e0530a10 RDI: 0000000000000007
[ 1358.844663] RBP: 00007ffd9b0fc2d0 R08: 0000000000000000 R09: 0000000000000000
[ 1358.853469] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb24849c390
[ 1358.862275] R13: 00005565e0530a10 R14: 0000000000000007 R15: 0000000000000003
[ 1358.871090]
[ 1358.874361] \x0aShowing all locks held in the system:
[ 1358.882900] 1 lock held by khungtaskd/185:
[ 1358.888292] #0: ffffffff94cfdee0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1358.899762] 3 locks held by systemd-journal/805:
[ 1358.905742] #0: ff1100180e5b72e0 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x18d/0x1940
[ 1358.915634] #1: ffffffff94f030a0 (mmu_notifier_invalidate_range_start){+.+.}-{0:0}, at: fs_reclaim_acquire+0x7b/0x120
[ 1358.928450] #2: ff110001a5b732b0 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0x114/0x2d0
[ 1358.940011] 4 locks held by python3/3637:
[ 1358.945306] #0: ff1100012d77c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1358.955194] #1: ff11000163f46280 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1358.966155] #2: ff110001219acb50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1358.977306] #3: ff110001219f9d60 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1358.987403] 4 locks held by python3/5731:
[ 1358.992699] #0: ff1100012d77c3e8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x116/0x250
[ 1359.002586] #1: ff110001c6ba4a80 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x248/0x510
[ 1359.013549] #2: ff110001219acb50 (kn->active#118){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1359.024709] #3: ff110001219f9d60 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1359.034800]
[ 1359.037269] =============================================\x0a