Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout INFO: task kworker/u4:8:473 blocked for more than 143 seconds. Not tainted 6.3.0-rc7-next-20230421 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:8 state:D stack:25784 pid:473 ppid:2 flags:0x00004000 Workqueue: events_unbound io_ring_exit_work Call Trace: __schedule+0x98d/0x2a00 schedule+0xdb/0x1a0 schedule_timeout+0x3b0/0x400 __wait_for_common+0x1d3/0x550 io_ring_exit_work+0x49b/0x13f0 process_one_work+0xa20/0x1660 worker_thread+0x64f/0x12a0 kthread+0x33f/0x440 ret_from_fork+0x2c/0x50 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8560ac30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd30 1 lock held by khungtaskd/25: #0: ffffffff8560b800 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 1 lock held by in:imklog/164: #0: ffff88800e45a0e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x110 2 locks held by kworker/u4:8/473: #0: ffff888008471138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x91e/0x1660 #1: ffff88801f2cfdb0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x952/0x1660 =============================================