On Tue, Apr 26, 2022 at 10:15:47AM -0400, Brian Foster wrote: > On Mon, Apr 25, 2022 at 07:43:31PM -0700, Darrick J. Wong wrote: > ... > > > > The biggest problem right now is that the pagecache is broken in 5.18 > > and apparently I'm the only person who can trigger this. It's the same > > problem willy and I have been working on since -rc1 (where the > > filemap/iomap debug asserts trip on generic/068 and generic/475) that's > > documented on the fsdevel list. Unfortunately, I don't have much time > > to work on this, because as team lead: > > > > I seem to be able to reproduce this fairly reliably with generic/068. > I've started a bisect if it's of any use... Thank you! Matthew has hinted that he suspects this is a case of the page cache returning the wrong folio in certain cases, but neither of us have been able to narrow it down to a specific commit, or even a range. --D > Brian >
