> > It seems multiple processes deadlocked on the bd_mutex. > > Unfortunately there's no backtrace for the lock acquisitions, > > so it's hard to see the exact sequence. > > Well, all in the report points to a situation where some IO was submitted > to the block device and never completed (more exactly it took longer than > those 120s to complete that IO). It would need more digging into the Are you sure? I didn't think outstanding IO would take bd_mutex. -Andi -- 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>