Re: PCI resources above 4GB

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On Mon, Apr 9, 2012 at 4:49 AM, Steven Newbury <steve@xxxxxxxxxxxxxxx> wrote:
> Hi Bjorn,
>
> like many users here:
>
> https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-180/+bug/342926
>
> I've hit this bug:
> https://bugzilla.kernel.org/show_bug.cgi?id=10461
>
> I was wondering whether an option to enable an algorithm which
> allocated all 64bit capable devices above 4GB would at least allow
> systems where the BIOS has not provided a sufficient PCI hole to
> initialise all PCI devices?  I've been digging into the code, but I'm
> not yet comfortable to seriously attempt this myself, certainly not
> without guidance.
>
> It's a shame TJ seems to have disappeared, it would have been great to
> have had a look at his code, I'm sure many of these problems would have
> been resolved.
>
> Any help, workarounds, guidance or patches welcome! :)

Please attach complete dmesg logs with and without "pci=use_crs" to
the bugzilla.

Bjorn
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