BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0

[15211.082652] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 53s!
[15211.082659] Showing busy workqueues and worker pools:
[15211.082659] workqueue events: flags=0x0
[15211.082660]   pwq 14: cpus=7 node=0 flags=0x0 nice=0 active=48/256
[15211.082661]     in-flight: 11893:os_free_mutex [nvidia], 11730:os_free_mutex [nvidia], 12282:os_free_mutex [nvidia], 11895:os_free_mutex [nvidia], 12091:os_free_mutex [nvidia], 12081:os_free_mutex [nvidia], 12076:os_free_mutex [nvidia], 11716:os_free_mutex [nvidia], 11729:os_free_mutex [nvidia], 12283:os_free_mutex [nvidia], 11724:os_free_mutex [nvidia], 12279:os_free_mutex [nvidia], 11894:os_free_mutex [nvidia], 28104:os_free_mutex [nvidia], 12095:os_free_mutex [nvidia], 12085:os_free_mutex [nvidia], 11897:os_free_mutex [nvidia], 10608:os_free_mutex [nvidia], 11732:os_free_mutex [nvidia], 11731:os_free_mutex [nvidia], 11888:os_free_mutex [nvidia], 11891:os_free_mutex [nvidia], 11725:os_free_mutex [nvidia], 12088:os_free_mutex [nvidia], 12082:os_free_mutex [nvidia], 11717:os_free_mutex [nvidia], 11890:os_free_mutex [nvidia]
[15211.084395] , 11711:os_free_mutex [nvidia], 12080:os_free_mutex [nvidia], 11892:os_free_mutex [nvidia], 12077:os_free_mutex [nvidia], 12074:os_free_mutex [nvidia], 12083:os_free_mutex [nvidia], 11720:os_free_mutex [nvidia], 11896:os_free_mutex [nvidia], 11889:os_free_mutex [nvidia], 12280:os_free_mutex [nvidia], 12087:os_free_mutex [nvidia], 11721:os_free_mutex [nvidia], 12084:os_free_mutex [nvidia], 8433:os_free_mutex [nvidia], 12075:os_free_mutex [nvidia], 12092:os_free_mutex [nvidia], 11712:os_free_mutex [nvidia], 12096:os_free_mutex [nvidia], 12086:os_free_mutex [nvidia], 12089:os_free_mutex [nvidia], 12278:os_free_mutex [nvidia]
[15211.085506]   pwq 12: cpus=6 node=0 flags=0x0 nice=0 active=5/256
[15211.085508]     in-flight: 12093:os_free_mutex [nvidia], 12094:os_free_mutex [nvidia], 927:os_free_mutex [nvidia], 26480:os_free_mutex [nvidia], 6003:os_free_mutex [nvidia]
[15211.085790]   pwq 4: cpus=2 node=0 flags=0x0 nice=0 active=40/256
[15211.085791]     in-flight: 11350:os_free_mutex [nvidia], 11706:os_free_mutex [nvidia], 11552:os_free_mutex [nvidia], 11060:os_free_mutex [nvidia], 9948:os_free_mutex [nvidia], 11550:os_free_mutex [nvidia], 10871:os_free_mutex [nvidia], 11704:os_free_mutex [nvidia], 11545:os_free_mutex [nvidia], 10870:os_free_mutex [nvidia], 11050:os_free_mutex [nvidia], 11708:os_free_mutex [nvidia], 11555:os_free_mutex [nvidia], 11551:os_free_mutex [nvidia], 11347:os_free_mutex [nvidia], 11544:os_free_mutex [nvidia], 11056:os_free_mutex [nvidia], 11354:os_free_mutex [nvidia], 11348:os_free_mutex [nvidia], 11054:os_free_mutex [nvidia], 11057:os_free_mutex [nvidia], 11705:os_free_mutex [nvidia], 11546:os_free_mutex [nvidia], 11351:os_free_mutex [nvidia], 11061:os_free_mutex [nvidia], 11051:os_free_mutex [nvidia], 11052:os_free_mutex [nvidia]
[15211.087344] , 10869:os_free_mutex [nvidia], 11352:os_free_mutex [nvidia], 11356:os_free_mutex [nvidia], 11353:os_free_mutex [nvidia], 11055:os_free_mutex [nvidia], 11547:os_free_mutex [nvidia], 11707:os_free_mutex [nvidia], 11355:os_free_mutex [nvidia], 11349:os_free_mutex [nvidia], 11053:os_free_mutex [nvidia], 11553:os_free_mutex [nvidia], 11554:os_free_mutex [nvidia], 13342:os_free_mutex [nvidia]
[15211.088016]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[15211.088019]     in-flight: 3267:os_free_mutex [nvidia]
[15211.088082]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=18/256
[15211.088084]     in-flight: 11723:os_free_mutex [nvidia], 11726:os_free_mutex [nvidia], 11718:os_free_mutex [nvidia], 29948:os_free_mutex [nvidia], 11728:os_free_mutex [nvidia], 10868:os_free_mutex [nvidia], 11714:os_free_mutex [nvidia], 11715:os_free_mutex [nvidia], 11722:os_free_mutex [nvidia], 10866:os_free_mutex [nvidia], 10863:os_free_mutex [nvidia], 11713:os_free_mutex [nvidia], 7420:os_free_mutex [nvidia], 11727:os_free_mutex [nvidia], 11719:os_free_mutex [nvidia], 21459:os_free_mutex [nvidia], 10867:os_free_mutex [nvidia], 10864:os_free_mutex [nvidia]
[15211.089416] workqueue events_freezable_power_: flags=0x84
[15211.089417]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
[15211.089420]     pending: disk_events_workfn
[15211.089425] workqueue lru-add-drain: flags=0x8
[15211.089426]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[15211.089428]     pending: lru_add_drain_per_cpu BAR(455)
[15211.089500] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=20 idle: 12078 12079
[15211.089504] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=53s workers=3 idle: 22665 10369
[15211.089518] pool 4: cpus=2 node=0 flags=0x0 nice=0 hung=1s workers=42 idle: 11710 11709
[15211.089522] pool 12: cpus=6 node=0 flags=0x0 nice=0 hung=4s workers=6 idle: 10567
[15211.089525] pool 14: cpus=7 node=0 flags=0x0 nice=0 hung=0s workers=49 idle: 12281