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Message-ID: <20150615011433.GA15793@thunk.org> Date: Sun, 14 Jun 2015 21:14:33 -0400 From: Theodore Ts'o <tytso@....edu> To: Eric Whitney <enwlinux@...il.com> Cc: linux-ext4@...r.kernel.org Subject: Re: [PATCH] xfstests-bld: exclude ext4 defrag tests from unsupported configurations On Thu, Jun 11, 2015 at 08:24:21PM -0400, Eric Whitney wrote: > Spoke too soon - hit what looks like the old problem on ARM running 4.1-rc7 > on the ninth trial run. Various components of the test are left in the 'D' > state after a familiar oops - kernel BUG at fs/jbd2/transaction.c:2150 while > truncating. > > I'll see if I can still get the problem to appear on x86_64. I was able to reproduce this on x86_64, after running a kernel build on the host as an antogonist. I'm guessing that the race window is pretty narrow, so that's why it wasn't triggering for me easily until I had some additional I/O traffic to slow things down further. After some investigation, it looks like this bug has been around since 2008(!). I'll send out a fix. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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