Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci7: command 0x0406 tx timeout
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 51s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: kfree_rcu_monitor
workqueue events_freezable_power_: flags=0x84
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    in-flight: 49:disk_events_workfn
workqueue rcu_gp: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    in-flight: 9:wait_rcu_exp_gp
workqueue kblockd: flags=0x18
  pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=2/256 refcnt=3
    pending: 2*blk_mq_timeout_work
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=4 idle: 157 7
Showing backtraces of running workers in stalled CPU-bound worker pools: