Messages in this thread | | | Subject | Re: 2.6.20.3: kernel BUG at mm/slab.c:597 try#2 | From | James Bottomley <> | Date | Mon, 19 Mar 2007 13:29:47 -0500 |
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On Mon, 2007-03-19 at 12:49 -0500, Mike Christie wrote: > > I can't even say if the tapes are written correctly as I can't read them > > (one does not reboot production machines back to 2.4.x just to try to > > read a backup tape - I don't have 2.6.x older than 2.6.20 on these > > machines). > > Could you try this patch > http://marc.info/?l=linux-scsi&m=116464965414878&w=2 > I thought st was modified to not send offsets in the last elements but > it looks like it wasn't.
Actually, there are two patches in the email referred to. If the analysis that we're passing NULL to mempool_free is correct, it should be the second one that fixes the problem (the one that checks bio->bi_io_vec before freeing it). Which would mean we have a nr_vecs==0 bio generated by the tar somehow.
James
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