Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout INFO: task kworker/u4:6:345 blocked for more than 143 seconds. Not tainted 5.17.0-rc2-next-20220201 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:6 state:D stack:24968 pid: 345 ppid: 2 flags:0x00004000 Workqueue: events_unbound io_ring_exit_work Call Trace: context_switch kernel/sched/core.c:4987 [inline] __schedule+0x882/0x2190 kernel/sched/core.c:6296 schedule+0xd2/0x260 kernel/sched/core.c:6369 schedule_timeout+0x1c5/0x280 kernel/time/timer.c:1857 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x174/0x270 kernel/sched/completion.c:138 io_ring_exit_work+0x49b/0xc50 fs/io_uring.c:9616 process_one_work+0xa1c/0x16a0 kernel/workqueue.c:2289 worker_thread+0x637/0x1260 kernel/workqueue.c:2436 kthread+0x2f0/0x3a0 kernel/kthread.c:377 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295 Showing all locks held in the system: 1 lock held by khungtaskd/24: #0: ffffffff85202440 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6463 1 lock held by systemd-journal/111: 1 lock held by in:imklog/187: #0: ffff8880173c00f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:1034 2 locks held by kworker/u4:6/345: #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x915/0x16a0 kernel/workqueue.c:2260 #1: ffff8880407afdb0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x949/0x16a0 kernel/workqueue.c:2264 =============================================