BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 241s!
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 238s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 241s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 241s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 client_loop: send disconnect: Broken pipe