I was asked to look at http://bugzilla.kernel.org/show_bug.cgi?id=7763 since
that bug looked to be related.
It looks like the raid1 module is violating the queue limitations of the cciss
module indeed. Since the panic happens that the line:
BUG_ON(creq->nr_phys_segments > MAXSGENTRIES);
in the cciss.c:do_cciss_request() function.
I tried the patch suggested in the other bug-thread:
http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-merge-max_hw_sector.patch
But it did not help. It still crashes at exactly the same spot.
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