linux-ext4 - [Bug 43292] jdb2 lockup with ext3 and nfs

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Message-Id: <20120531201627.B6CAC11FD1B@bugzilla.kernel.org>
Date:	Thu, 31 May 2012 20:16:27 +0000 (UTC)
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 43292] jdb2 lockup with ext3 and nfs

https://bugzilla.kernel.org/show_bug.cgi?id=43292





--- Comment #10 from Jan Kara <jack@...e.cz>  2012-05-31 20:16:27 ---
I have to say I'm puzzled. Everything looks normal, the IO is submitted and
completed, no sign of any hang. Just the last request - read - has been only
submitted to disk and not yet completed but that can be just a coincidence. To
check what has been read, can you attach here output of dumpe2fs /dev/dm-2?

When the lockup happens, those nfsd threads are sitting there doing nothing for
a long time, am I right?

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