On Mon, 21 Dec 2015, Sasha Levin wrote: > I've also noticed a new warning from the workqueue code which my scripts > didn't pick up before: > > [ 3462.380681] BUG: workqueue lockup - pool cpus=2 node=2 flags=0x4 nice=0 stuck for 54s! > [ 3462.522041] workqueue vmstat: flags=0xc > [ 3462.527795] pwq 4: cpus=2 node=2 flags=0x0 nice=0 active=1/256 > [ 3462.554836] pending: vmstat_update Does that mean that vmstat_update locks up or something that schedules it? Also what workload triggers the BUG()? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>