On Thu, 14 Mar 2013, Rafael J. Wysocki wrote:
> > > commit 181380b702eee1a9aca51354d7b87c7b08541fcf
> > > Author: Yinghai Lu <yinghai@xxxxxxxxxx>
> > > Date: Sat Feb 16 11:58:34 2013 -0700
> > >
> > > PCI/ACPI: Don't cache _PRT, and don't associate them with bus numbers
> >
> > This patch __fixed__ this problem for me in linux-next back in February.
> >
> > Rafael, did you hold back some ACPI patches from 3.9 that would have
> > made fix no longer applicable?
>
> No, I didn't.
>
> I'm afraid, though, that the fix might not be effective on some systems for a
> reason that's unclear at the moment.
>
> So in fact the one to check is commit 4f535093cf ("PCI: Put pci_dev in device
> tree as early as possible") and if the problem doesn't appear before that, we
> need to figure out why the fix may not be sufficient.
With either 4f535093cf or 181380b702 I do *not* see the problem, i.e.
these commits are not the culprit and it was caused by some later change.
I will proceed with bisect now, hopefully it'll produce a meaningful
result.
--
Jiri Kosina
SUSE Labs
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