[ 738.623484][ T44] INFO: task kworker/0:0:9 blocked for more than 368 seconds. [ 738.623777][ T44] Not tainted 6.19.0-rc1-virtme #1 [ 738.623925][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.624169][ T44] task:kworker/0:0 state:D stack:28064 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 738.624512][ T44] Workqueue: events xp_release_deferred [ 738.624657][ T44] Call Trace: [ 738.624766][ T44] [ 738.624842][ T44] __schedule+0xae2/0x1720 [ 738.624987][ T44] ? io_schedule_timeout+0x130/0x130 [ 738.625127][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.625260][ T44] schedule+0xd4/0x260 [ 738.625358][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.625501][ T44] __mutex_lock+0xd76/0x1f20 [ 738.625640][ T44] ? xp_release_deferred+0x1b/0x1e0 [ 738.625769][ T44] ? ww_mutex_lock+0x160/0x160 [ 738.625904][ T44] ? __lock_acquire+0x577/0xc10 [ 738.626035][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.626163][ T44] ? process_one_work+0xd16/0x1390 [ 738.626295][ T44] ? xp_release_deferred+0x1b/0x1e0 [ 738.626419][ T44] xp_release_deferred+0x1b/0x1e0 [ 738.626553][ T44] process_one_work+0xd57/0x1390 [ 738.626676][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 738.626804][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.626935][ T44] ? assign_work+0x152/0x380 [ 738.627062][ T44] worker_thread+0x4d6/0xd40 [ 738.627179][ T44] ? process_one_work+0x1390/0x1390 [ 738.627294][ T44] kthread+0x355/0x5b0 [ 738.627379][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.627501][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.627615][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.627729][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.627845][ T44] ret_from_fork+0x3fb/0x510 [ 738.627960][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 738.628104][ T44] ? __switch_to+0x53c/0xd00 [ 738.628219][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.628332][ T44] ret_from_fork_asm+0x11/0x20 [ 738.628456][ T44] [ 738.628563][ T44] INFO: task kworker/0:0:9 is blocked on a mutex likely owned by task ip:971. [ 738.628752][ T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 738.628950][ T44] [ 738.628950][ T44] Showing all locks held in the system: [ 738.629111][ T44] 3 locks held by kworker/0:0/9: [ 738.629221][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.629448][ T44] #1: ffa0000000097cc0 ((work_completion)(&pool->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.629752][ T44] #2: ffffffffb7085768 (rtnl_mutex){+.+.}-{4:4}, at: xp_release_deferred+0x1b/0x1e0 [ 738.629945][ T44] 3 locks held by kworker/u16:0/12: [ 738.630054][ T44] #0: ff1100000919f148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.630274][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.630559][ T44] #2: ffffffffb7085768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 738.630769][ T44] 1 lock held by khungtaskd/44: [ 738.630879][ T44] #0: ffffffffb6971040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 738.631106][ T44] 3 locks held by kworker/2:1/65: [ 738.631216][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.631441][ T44] #1: ffa0000000467cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.631690][ T44] #2: ff11000008b32c98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 738.631888][ T44] 2 locks held by ip/971: [ 738.631973][ T44] #0: ffffffffb7085768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90 [ 738.632167][ T44] #1: ff11000008b32c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 738.632360][ T44] 1 lock held by ip/1036: [ 738.632445][ T44] #0: ffffffffb7085768 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x2ab/0xb90 [ 738.632649][ T44] [ 738.632707][ T44] ============================================= [ 738.632707][ T44]