[ 738.624858][ T44] INFO: task kworker/0:0:9 blocked for more than 368 seconds. [ 738.625156][ T44] Not tainted 6.19.0-rc1-virtme #1 [ 738.625298][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.625534][ T44] task:kworker/0:0 state:D stack:28120 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 738.625859][ T44] Workqueue: events xp_release_deferred [ 738.626009][ T44] Call Trace: [ 738.626112][ T44] [ 738.626178][ T44] __schedule+0xae2/0x1720 [ 738.626307][ T44] ? io_schedule_timeout+0x130/0x130 [ 738.626435][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.626563][ T44] schedule+0xd4/0x260 [ 738.626659][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.626784][ T44] __mutex_lock+0xd76/0x1f20 [ 738.626914][ T44] ? xp_release_deferred+0x1b/0x1e0 [ 738.627037][ T44] ? ww_mutex_lock+0x160/0x160 [ 738.627157][ T44] ? __lock_acquire+0x577/0xc10 [ 738.627275][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.627403][ T44] ? process_one_work+0xd16/0x1390 [ 738.627526][ T44] ? xp_release_deferred+0x1b/0x1e0 [ 738.627642][ T44] xp_release_deferred+0x1b/0x1e0 [ 738.627758][ T44] process_one_work+0xd57/0x1390 [ 738.627885][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 738.628004][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.628126][ T44] ? assign_work+0x152/0x380 [ 738.628240][ T44] worker_thread+0x4d6/0xd40 [ 738.628359][ T44] ? process_one_work+0x1390/0x1390 [ 738.628478][ T44] kthread+0x355/0x5b0 [ 738.628566][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.628683][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.628803][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.628923][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.629035][ T44] ret_from_fork+0x3fb/0x510 [ 738.629159][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 738.629300][ T44] ? __switch_to+0x53c/0xd00 [ 738.629417][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.629530][ T44] ret_from_fork_asm+0x11/0x20 [ 738.629649][ T44] [ 738.629747][ T44] INFO: task kworker/0:0:9 is blocked on a mutex likely owned by task ip:972. [ 738.629939][ T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 738.630134][ T44] [ 738.630134][ T44] Showing all locks held in the system: [ 738.630296][ T44] 3 locks held by kworker/0:0/9: [ 738.630411][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.630635][ T44] #1: ffa0000000097cc0 ((work_completion)(&pool->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.630862][ T44] #2: ffffffff8c885768 (rtnl_mutex){+.+.}-{4:4}, at: xp_release_deferred+0x1b/0x1e0 [ 738.631055][ T44] 3 locks held by kworker/u16:0/12: [ 738.631164][ T44] #0: ff1100000902f148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.631383][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.631660][ T44] #2: ffffffff8c885768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 738.631863][ T44] 3 locks held by kworker/1:0/23: [ 738.631971][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.632191][ T44] #1: ffa00000001a7cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.632442][ T44] #2: ff110000089e2c98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 738.632639][ T44] 1 lock held by khungtaskd/44: [ 738.632748][ T44] #0: ffffffff8c171040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 738.632976][ T44] 2 locks held by ip/972: [ 738.633058][ T44] #0: ffffffff8c885768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90 [ 738.633251][ T44] #1: ff110000089e2c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 738.633451][ T44] 1 lock held by ip/1038: [ 738.633533][ T44] #0: ffffffff8c885768 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x2ab/0xb90 [ 738.633727][ T44] [ 738.633782][ T44] ============================================= [ 738.633782][ T44]