Messages in this thread | | | Subject | Re: [PATCH] Chaining sg lists for big IO commands v5 | From | Badari Pulavarty <> | Date | Thu, 17 May 2007 08:11:02 -0700 |
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On Thu, 2007-05-17 at 08:27 +0200, Jens Axboe wrote: .. > > > > > > Ah ok, you need the updated patch series for ppc64 support. Builds fine > > > here on ppc64. See the #sglist branch of the block repo: > > > > > > git://git.kernel.dk/data/git/linux-2.6-block.git > > > > > > I can mail you an updated patch, if you want. > > > > > > Here is the whole panic stack.. > > Thanks will fix that up, the IDE part is totally untested. Can you try > and backout this patch and see if it boots?
Yes. It boots fine with following backed out.
Looking at the code ide_probe.c: hwif_init() is doing
hwif->sg_table = kmalloc(sizeof(struct scatterlist)*hwif->sg_max_nents, GFP_KERNEL);
blk_rq_map_sg() is looking for the chaining info and going over end of the allocation.
Thanks, Badari
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