From: bugme-daemon@bugzilla.kernel.org
Subject: [Bug 12815] JBD: barrier-based sync failed on dm-1:8 - disabling barriers -- and then hang
Date: Wed, 4 Mar 2009 09:15:03 -0800 (PST)
Message-ID: <20090304171503.983E611D108@picon.linux-foundation.org>
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------- Comment #4 from sandeen@redhat.com 2009-03-04 09:15 -------
(In reply to comment #3)
> I'm getting the JBD message not only on initial mount. Is that still expected?
You should get it on each mount. When else do you see it?
> I'll try to get some info from sysrq if it happens again.
>
> Is there any mount option I can use to disable delayed allocation or something
> to try to work around the problem?
You can mount with -o nodelalloc, though there is no reason to think that this
is related to the problem at this point ... it may be more productive to test a
newer kernel.
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