linux-ext4 - [Bug 12551] end_request: I/O error, dev cciss/c0d0, sector 87435720

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Date:	Tue, 27 Jan 2009 07:42:47 -0800 (PST)
From:	bugme-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 12551] end_request: I/O error, dev cciss/c0d0, sector 87435720

http://bugzilla.kernel.org/show_bug.cgi?id=12551


tytso@....edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mike.miller@...com




------- Comment #2 from tytso@....edu  2009-01-27 07:42 -------
Looks like the cciss driver is returning an error when we try to do a write
with barriers enabled.   If we get a failure return from the device driver, we
fall back to writing the commit block w/o barriers, and that is apparently
succeeding.   So this looks like a cciss issue.

I've added Mike Miller, the maintainer of the cciss driver, to the cc list. 
Mike, does this ring any bells; has there been any changes between 2.6.28.1 and
2.6.29-rc2-git3 that might account for this?


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