Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: 2.6.23-rc8-mm1, -rc7-mm1 kill audio on HP nx6325 | Date | Tue, 25 Sep 2007 16:29:45 +0200 |
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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.
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