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Bug#637659: pci 0000:00:00.0: BAR 0: address space collision on of device [0xc8000000-0xcfffffff]



On Wed, 2011-08-24 at 11:40 +0200, Paul Menzel wrote:
> Am Mittwoch, den 24.08.2011, 03:53 +0100 schrieb Ben Hutchings:
> > On Sat, 2011-08-13 at 16:27 +0200, Paul Menzel wrote:
> > > Package: linux-2.6
> > > Version: 2.6.32-31
> > 
> > The current stable version is 2.6.32-35; please upgrade.
> 
> Thank you for the suggestion. It was upgraded when I added the stable
> sources to `/etc/apt/sources.list`. But the error was still there, so I
> did not update this report. I am sorry.
> 
> > > Severity: normal
> > > Tags: upstream fixed-upstream
> > > 
> > > Dear Debian folks,
> > > 
> > > 
> > > with Linux kernel 2.6.32 the following message is shown on each boot. 
> > > 
> > >         [    0.206656] pci 0000:00:00.0: BAR 0: address space collision on of device [0xc8000000-0xcfffffff]
> > > 
> > > Testing 3.0.0-1 this message is *not* shown, so it seems to have been
> > > fixed in the meanwhile. There is a related Launchpad bug report (linked
> > > from [1]) [2] indicating that the patch in the Linux patch queue [3]
> > > fixes this issue.
> > [...]
> > 
> > This fix was included in longterm update 2.6.32.42 and will be in the
> > next stable point release (Debian 6.0.3).
> 
> Thank you for the information. So if it really is the patch from
> Patchwork entry #39988 [3], then it should be the following commit
> [4][5] in the changelog for Linux kernel 2.6.32.42 [6].
> 
>         commit d93bd2d1eda2105d8685792ea16f33dae6fd8abc
>         Author: Linus Torvalds <torvalds@linux-foundation.org>
>         Date:   Mon Nov 9 12:04:32 2009 -0800
>         
>             PCI: allow matching of prefetchable resources to non-prefetchable windows
>             
>             commit 8c8def26bfaa704db67d515da3eb92cf26067548 upstream.
> 
> Is that correct?

Right.  Not sure it's exactly the same as the patch in Patchwork, but it
is the version that ended up in later versions of Linux.

Ben.

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