On Tue, Aug 06, 2019 at 07:23:18PM +1000, Dave Chinner wrote: > On Tue, Aug 06, 2019 at 09:10:57AM +0200, Kinky Nekoboi wrote: > > Addional info: > > > > this only occurs if kernel is compiled with: > > > > CONFIG_XFS_DEBUG=y > > > > running 4.19.64 without xfs debugging works fine > > I'm guessing 4.19 doesn't have commit c08768977b9a ("xfs: finobt AG > reserves don't consider last AG can be a runt").... It does not. Kinky, can you confirm if cherry picking it fixes your crash? If so I can queue it up for the next batch of fixes for v4.19. Luis