[Intel-gfx] agp/intel: can't ioremap flush page - no chipset flushing

[Bjorn Helgaas]

On Thu, Mar 6, 2014 at 1:25 PM, Paul Bolle <pebolle at tiscali.nl> wrote:
> Bjorn Helgaas schreef op ma 10-02-2014 om 14:33 [-0700]:
>> Can you open a kernel.org bugzilla report and attach complete dmesg
>> logs of the working and broken kernels to it?  There might be more
>> useful resource-related messages from the PCI core.
>
> That took me quite a bit longer than I hoped, but I finally opened a
> report at
> https://bugzilla.kernel.org/show_bug.cgi?id=71611 .
>
> Note that the dmesg's are identical (up to that error). Are you still
> interested?

Yep, I wouldn't mind seeing the dmesg log to compare with the
/proc/iomem contents you posted earlier.  Since they're identical,
there might not be a clue, but you never know, and it would be really
great to squash this regression before v3.14.

>> I wouldn't start bisecting yet, but if you're in the mood, this
>> commit: 96702be56037 "Merge branch 'pci/resource' into next" looks
>> like a good place to start, so you could try the pre-merge commit:
>> 04f982beb900 "Merge branch 'pci/msi' into next".  If 04f982beb900 is
>> good, there are only about 15 commits on the pci/resource branch to
>> look at.
>
> I hope to do a bisect in the next few days. If that bisect pinpoints an
> interesting commit that might just be in time for v3.14.
>
>
> Paul Bolle
>