Re: sata_sil24 0000:04:00.0: DMA-API: device driver frees DMA sglist with different entry count [map count=13] [unmap count=10]

[Robert Hancock]

Kasper Sandberg wrote:
> On Wed, 2009-06-03 at 21:30 +0200, Torsten Kaiser wrote:
> > On Wed, May 27, 2009 at 1:40 AM, Robert Hancock <hancockrwd@xxxxxxxxx> wrote:
> > > Torsten Kaiser wrote:
> > > > On upgrading to 2.6.30-rc1 I enable the DMA-Debugging option
> > > > CONFIG_DMA_API_DEBUG=y
> > > > Since then I get the following or similar errors on each boot:
> > > Please retest with a newer -rc, this patch likely fixes it:
> > >
> > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5825627c9463581fd9e70f8285685889ae5bb9bb
> > Still happens with 2.6.30-rc8 (see trace at the end of the email)
> <snip>
>
> Does this actually give you any problems? should I be scared to give .30
> a test?

If Torsten's diagnosis is correct it's a problem with the DMA debugging 
code, not an actual driver bug.
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