Messages in this thread | | | Date | Mon, 19 Mar 2007 10:35:46 +0200 | From | "Pekka Enberg" <> | Subject | Re: 2.6.20.3: kernel BUG at mm/slab.c:597 try#2 |
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On 3/19/07, Pekka Enberg <penberg@cs.helsinki.fi> wrote: > You can see that mempool_free is passing a NULL pointer to > kmem_cache_free() which doesn't handle it properly. The NULL pointer > comes from bio_free() where ->bi_io_vec is NULL because nr_iovecs > passed to bio_alloc_bioset() was zero. > > The question is, why is nr_pages zero in scsi_req_map_sg()?
Note that the following patch I posted only addresses the part where slab is clearly failing here:
http://lkml.org/lkml/2007/3/19/42
So, while it should fix the oops, there might be a bug lurking in the SCSI or block layer still. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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