Re: Panic in gart_map_sg

From: Jens Axboe
Date: Thu Oct 25 2007 - 04:15:36 EST


On Thu, Oct 25 2007, Amit Shah wrote:
> On 25/10/2007, Jens Axboe <jens.axboe@xxxxxxxxxx> wrote:
> > On Thu, Oct 25 2007, Amit Shah wrote:
> > > I get a kernel panic at gart_map_sg+0x201/0x470, which is around here:
>
> ...
>
> > Tomo already nailed this one, see below.
> >
> > From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
> > Subject: [PATCH] x86: pci-gart fix
> >
> > map_sg could copy the last sg element to another position (if merging
> > some elements). It breaks sg chaining. This copies only
> > dma_address/length instead of the whole sg element.
>
> Thanks, this fixed it.


Goodness, thanks for confirming!

--
Jens Axboe

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