On Wed, Jul 26, 2017 at 06:35:03AM -0400, Brian Foster wrote: > On Wed, Jul 26, 2017 at 01:09:52PM +0800, Eryu Guan wrote: > > Hi Brian, > > > > [sorry for bringing up an old thread, but this seems relavent] > > [snip] > > > > Is xfs/305 supposed to pass with 4.13-rc2 kernel now? I know there're > > some quota patches went in XFS recently, but I'm not sure if there's any > > known leftover bug. > > > > Anyway, I hit a test hang with 4.13-rc2 kernel with xfs/305 again, test > > configuration is rmapbt XFS with 4k block size on ppc64le host. But I > > haven't tried to reproduce it yet. Just want to confirm with you first. > > > > I believe it is still possible for quotaoff to deadlock the log. It is > not shown below, but I assume you have a blocked xfs_quota process > attempting to run a quotaoff..? How big is your fs/log? I'm not sure if there's a quotaoff blocked too, that's all I have for now, this was an automated test job and it didn't print any sysrq-w output as expected. The fs is 15G but I don't know much about the log, the host host was returned to the test pool.. > > I sent a patch a while ago, but it wasn't safe because it could > potentially lead to nested transactions in the quotaoff context. We > don't have a proper fix for this as of yet. Ok, thanks! At least this isn't something totally surprising people, I'll see if I can hit it again in future test runs. Thanks, Eryu -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html