On Tuesday, 25 September 2007 14:18, Thomas Gleixner wrote:
> On Tue, 2007-09-25 at 14:08 +0200, Rafael J. Wysocki wrote:
> > Hi,
> >
> > This patch from Andi:
> >
> > x86_64-mm-cpa-einval.patch
> >
> > makes the hda_intel audio driver stop working on my HP nx6325.
> >
> > The following line appears in dmesg (from 2.6.23-rc7-mm1:
> >
> > ALSA /home/rafael/src/mm/linux-2.6.23-rc7-mm1/sound/pci/hda/hda_intel.c:1755: hd
> > a-intel: ioremap error
> >
> > and the driver doesn't work afterwards.
> >
> > Still, I'm not sure if the patch above is wrong or rather it exposes a problem
> > in the driver.
>
> The patch is correct. Instead of returning "Success" in the case of a
> failure of lookup_address, it now returns -EINVAL, which in turn makes
> the ioremap fail.
>
> OTOH, the driver ioremap call looks straight forward. Can you apply the
> patch below and provide the resulting debug output please ?
lookup failed for 18446604438082158592
[--snipped some USB messages--]
ALSA /home/rafael/src/mm/linux-2.6.23-rc8-mm1/sound/pci/hda/hda_intel.c:1756: hda-intel: ioremap error: 2349334528 16384
Greetings,
Rafael
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