linux-ext4 - [Bug 12885] kernel BUG at fs/jbd/transaction.c:1376!

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Message-Id: <20090317214932.F1969108049@picon.linux-foundation.org>
Date:	Tue, 17 Mar 2009 14:49:32 -0700 (PDT)
From:	bugme-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 12885] kernel BUG at fs/jbd/transaction.c:1376!

http://bugzilla.kernel.org/show_bug.cgi?id=12885

------- Comment #2 from tytso@....edu  2009-03-17 14:49 -------
The BUG is caused by the following in journal_stop() in transaction.c:

        J_ASSERT(journal_current_handle() == handle);

Somehow the journal handle got corrupted, or we screwed up in the refcount of
open handles and allowed a journal transaction to commit even though
ext3_mkdir() and ext3_creat() was in the middle of doing something with a
handle.  This is one of these should-never-happen situations.

What was the system doing at the time of the crash?  And we have to wonder why
you are seeing it but apparently not others.  Is this a completely unmodified,
stock 2.6.28 kernel?   Have there been any patches applied?

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