On Wed, Feb 13, 2019 at 07:02:53PM +0100, Christoph Hellwig wrote: > On Mon, Feb 11, 2019 at 04:03:37PM -0800, Darrick J. Wong wrote: > > I pulled this series in and saw a bunch of new regressions in > > generic/127 generic/269 generic/476 generic/521 generic/522 xfs/442 with > > quota, rmap, and reflink enabled. The regressions were all the > > XFS_WANT_CORRUPTED_GOTO near the top of xfs_rmap_unmap_shared. > > Quick status update: I managed to reproduce this ones on xfs/442 only > yesterday. But as soon as I started bisecting it it disappeared again.. And another full overnight run couldn't report this even once. How reproducible is the issue for you? Are you sure it never happens with the baseline, given that this series really doesn't touch anything interacting with the rmap?