linux-ext4 - [Bug 23772] oops after mounting ext4 fs in 2.6.36.1 (failed to parse options in superblock)

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Message-Id: <201012011458.oB1EwqFa015258@demeter1.kernel.org>
Date:	Wed, 1 Dec 2010 14:58:52 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 23772] oops after mounting ext4 fs in 2.6.36.1 (failed to parse
 options in superblock)

https://bugzilla.kernel.org/show_bug.cgi?id=23772





--- Comment #20 from Eric Sandeen <sandeen@...hat.com>  2010-12-01 14:58:43 ---
(In reply to comment #18)


> > Your dd above should have zeroed this out, though, which makes me wonder how
> > you got 1's back in here.  It could be anything, though I wonder if it's
> > possible that it's a stray bitmap....
> 
> No, my "dd" command only zeroed out the second half of the superblock (starting
> at 0x600, the s_mount_opts field.  It didn't touch the "error" parts of the
> superblock, for simplicity/safety.

Oh, sorry, I just assumed.  Thanks for the clarification.

-Eric

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