On Sat, Oct 09, 2010 at 11:55:16PM +0200, Michael Monnerie wrote:
> I just had a bug in one VM, and don't know if this is XFS related, but it seems so.
>
> [1172140.926859] BUG: unable to handle kernel paging request at 00000003d03dd178
> [1172140.926877] IP: [<ffffffff80034872>] dequeue_task+0x72/0x110
> [1172140.926897] PGD 1b54b067 PUD 0
> [1172140.926897] Thread overran stack, or stack corrupted
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The stack trace shows pdflush doing writeback, and way down the
stack doing a memory allocation that triggered direct reclaim, which
caused writeback to occur, which blew the stack.....
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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