Re: 2.6.23-rc8-mm1, -rc7-mm1 kill audio on HP nx6325

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tuesday, 25 September 2007 15:44, Thomas Gleixner wrote:
> On Tue, 2007-09-25 at 15:20 +0200, Rafael J. Wysocki wrote:
> > > 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
> 
> Stupid me, hex formatting would have been easier to read :)
> 
> Lookup failed for 0xFFFF 8100 8C08 0000
> ioremap:          0x0000 0000 8C08 0000 length 16384
> 
> It seems, that this patch only reveals some other wreckage. The code is
> called as part of ioremap, where it adjusts the caching attributes of
> the mapping, which was setup right before change_page_attr_address() is
> called.

Hm, it looks like the first address is a kernel one and the second one is
physical, so they apparently match, which means that the lookup shouldn't fail,
if I understand this correctly.

Greetings,
Rafael
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux