On Wed, Jun 13, 2018 at 02:10:21PM -0600, Ross Zwisler wrote: > I tested xarray-20180612 vs next-20180612, and your patches cause a new > deadlock with XFS + DAX + generic/269. Here's the output from > "echo w > /proc/sysrq-trigger": After getting my pmem setup working (thanks for the help Dan & Jeff), I tracked this down to a missing call to dax_wake_entry() in dax_writeback_one(). I'm running xfstests -g auto now to see if there's anything else that needs to be fixed.