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Date: Thu, 9 Dec 2010 20:05:05 -0600 From: Jon Nelson <jnelson@...poni.net> To: Chris Mason <chris.mason@...cle.com> Cc: Mike Fedyk <mfedyk@...efedyk.com>, Andi Kleen <andi@...stfloor.org>, "Ted Ts'o" <tytso@....edu>, Mike Snitzer <snitzer@...hat.com>, Matt <jackdachef@...il.com>, Milan Broz <mbroz@...hat.com>, linux-btrfs <linux-btrfs@...r.kernel.org>, dm-devel <dm-devel@...hat.com>, Linux Kernel <linux-kernel@...r.kernel.org>, htd <htd@...cy-poultry.org>, htejun <htejun@...il.com>, linux-ext4 <linux-ext4@...r.kernel.org> Subject: Re: hunt for 2.6.37 dm-crypt+ext4 corruption? (was: Re: dm-crypt barrier support is effective) On Thu, Dec 9, 2010 at 8:00 PM, Chris Mason <chris.mason@...cle.com> wrote: > Excerpts from Mike Fedyk's message of 2010-12-09 20:58:40 -0500: >> On Thu, Dec 9, 2010 at 5:38 PM, Chris Mason <chris.mason@...cle.com> wrote: >> > Excerpts from Andi Kleen's message of 2010-12-09 18:16:16 -0500: >> >> > 512MB. >> >> > >> >> > 'free' reports 75MB, 419MB free. >> >> > >> >> > I originally noticed the problem on really real hardware (thinkpad >> >> > T61p), however. >> >> >> >> If you can easily reproduce it could you try a git bisect? >> > >> > Do we have a known good kernel? I looked back through the thread and >> > didn't see any reports where the postgres test on ext4 passed in this >> > config. >> > >> >> 2.6.34.something. -- Any chance a newer kernel can be tested to be found good? > > But he is triggering the ext4 corruption without dm-crypt. I think > dm-crypt was still used somewhere on the system during the test, just > not on the partitions that actually hit the corruption. I now have my doubts about being able to trigger it without dm-crypt. I stand by my report, but I'm also unable to reproduce it after after 50 test iterations. I did run 2.6.36 for a few weeks without any issue that I recall. -- Jon -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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