[Bug 12815] JBD: barrier-based sync failed on dm-1:8 - disabling barriers -- and then hang

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http://bugzilla.kernel.org/show_bug.cgi?id=12815





------- Comment #4 from sandeen@xxxxxxxxxx  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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