On Wed, Mar 23, 2016 at 04:32:21PM +0100, Carlos Maiolino wrote: > I'm still trying to get a reliable reproducer, at least exactly with what I have > seen a few days ago. > > Shyam, could you try to reproduce it with a recent/upstream kernel? That would > be great to make sure we have been seen the same issue. > > AFAICT, it happens in the following situation: > > 1 - Something is written to the filesystem > 2 - log checkpoint is done for the previous write > 3 - Disk failure > 4 - XFS tries to writeback metadata logged in [2] > > When [4] happens, I can't trigger xfs_log_force messages all the time, most of > time I just get an infinite loop in these messages: > > [12694.318109] XFS (dm-0): Failing async write on buffer block > 0xffffffffffffffff. Retrying async write. > > Sometimes I can trigger the xfs_log_force() loop. This all smells like the filesystem is getting IO errors but it not in a shutdown state. What happens when you run 'xfs_io -x -c "shutdown" /mnt/pt' on a filesystem in this state? Can you then unmount it? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
