On Fri, Dec 10, 2010 at 12:52 AM, Jon Nelson <jnelson@xxxxxxxxxxx> wrote: > On Thu, Dec 9, 2010 at 8:38 PM, Ted Ts'o <tytso@xxxxxxx> wrote: >> On Fri, Dec 10, 2010 at 02:53:30AM +0100, Matt wrote: >>> >>> Try a kernel before 5a87b7a5da250c9be6d757758425dfeaf8ed3179 >>> >>> from the tests I've done that one showed the least or no corruption if >>> you count the empty /etc/env.d/03opengl as an artefact >> >> Yes, that's a good test. ÂAlso try commit bd2d0210cf. ÂThe patch >> series that is most likely to be at fault if there is a regression in >> between 5a87b7a5d and bd2d0210cf inclusive. >> >> I did a lot of testing before submitting it, but that wa a tricky >> rewrite. ÂIf you can reproduce the problem reliably, it might be good >> to try commit 16828088f9 (the commit before 5a87b7a5d) and commit >> bd2d0210cf. ÂIf it reliably reproduces on bd2d0210cf, but is clean on >> 16828088f9, then it's my ext4 block i/o submission patches, and we'll >> need to either figure out what's going on or back out that set of >> changes. >> >> If that's the case, a bisect of those changes (it's only 6 commits, so >> it shouldn't take long) would be most appreciated. > > I observed the behavior on bd2d0210cf in a qemu-kvm install of > openSUSE 11.3 (x86_64) on *totally* different host - an AMD quad-core. > > I did /not/ observe the behavior on 16828088f9 (yet). I'll run the > test a few more times on 1682.. > > Additionally, I am building a bisected kernel now ( > cb20d5188366f04d96d2e07b1240cc92170ade40 ), but won't be able to get > back at it for a while. cb20d5188366f04d96d2e07b1240cc92170ade40 seems OK so far. I'm going to try 1de3e3df917459422cb2aecac440febc8879d410 soon. -- Jon -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel