[ 738.622598][ T44] INFO: task kworker/0:0:9 blocked for more than 368 seconds. [ 738.622895][ T44] Not tainted 6.19.0-rc1-virtme #1 [ 738.623042][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.623352][ T44] task:kworker/0:0 state:D stack:28312 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 738.623702][ T44] Workqueue: events xp_release_deferred [ 738.623852][ T44] Call Trace: [ 738.623962][ T44] [ 738.624032][ T44] __schedule+0xae2/0x1720 [ 738.624175][ T44] ? io_schedule_timeout+0x130/0x130 [ 738.624312][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.624449][ T44] schedule+0xd4/0x260 [ 738.624550][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.624692][ T44] __mutex_lock+0xd76/0x1f20 [ 738.624824][ T44] ? xp_release_deferred+0x1b/0x1e0 [ 738.624965][ T44] ? ww_mutex_lock+0x160/0x160 [ 738.625104][ T44] ? __lock_acquire+0x577/0xc10 [ 738.625242][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.625372][ T44] ? process_one_work+0xd16/0x1390 [ 738.625504][ T44] ? xp_release_deferred+0x1b/0x1e0 [ 738.625639][ T44] xp_release_deferred+0x1b/0x1e0 [ 738.625776][ T44] process_one_work+0xd57/0x1390 [ 738.625909][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 738.626041][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.626162][ T44] ? assign_work+0x152/0x380 [ 738.626277][ T44] worker_thread+0x4d6/0xd40 [ 738.626396][ T44] ? process_one_work+0x1390/0x1390 [ 738.626511][ T44] kthread+0x355/0x5b0 [ 738.626605][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.626722][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.626840][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.626957][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.627077][ T44] ret_from_fork+0x3fb/0x510 [ 738.627191][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 738.627332][ T44] ? __switch_to+0x53c/0xd00 [ 738.627445][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.627560][ T44] ret_from_fork_asm+0x11/0x20 [ 738.627682][ T44] [ 738.627774][ T44] INFO: task kworker/0:0:9 is blocked on a mutex likely owned by task ip:973. [ 738.627969][ T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 738.628171][ T44] [ 738.628171][ T44] Showing all locks held in the system: [ 738.628332][ T44] 3 locks held by kworker/0:0/9: [ 738.628445][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.628671][ T44] #1: ffa0000000097cc0 ((work_completion)(&pool->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.628894][ T44] #2: ffffffffb9485768 (rtnl_mutex){+.+.}-{4:4}, at: xp_release_deferred+0x1b/0x1e0 [ 738.629088][ T44] 3 locks held by kworker/u16:0/12: [ 738.629202][ T44] #0: ff11000008fa7148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.629427][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.629702][ T44] #2: ffffffffb9485768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 738.629897][ T44] 3 locks held by kworker/2:0/28: [ 738.630006][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.630227][ T44] #1: ffa00000001ffcc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.630473][ T44] #2: ff11000008a2ac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 738.630672][ T44] 1 lock held by khungtaskd/44: [ 738.630779][ T44] #0: ffffffffb8d71040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 738.630999][ T44] 2 locks held by ip/973: [ 738.631084][ T44] #0: ffffffffb9485768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90 [ 738.631278][ T44] #1: ff11000008a2ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 738.631475][ T44] 1 lock held by ip/1038: [ 738.631556][ T44] #0: ffffffffb9485768 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x2ab/0xb90 [ 738.631757][ T44] [ 738.631811][ T44] ============================================= [ 738.631811][ T44]