Bug#540521: xserver-xorg-core: Virtual screen size being ignored since upgrade
Mark T.B. Carroll wrote:
> Thanks for looking!
>
> I tried adding to my /etc/X11/xorg.conf,
>
> Section "Module"
> Disable "dri"
> Disable "dri2"
> Disable "glx"
>
> SubSection "intel"
> Option "DRI" "false"
> EndSubSection
> EndSection
>
> I'm not actually seeing any change in behavior. xrandr still gives the
> same error.
>
> New X.Org log file attached.
>
According to your log, UXA is still enabled here, so it's not very
surprising that things still don't work. I am not sure there's an actual
solution here. I guess UXA (like DRI) uses some hardware features that
are limited to coordinates <= 2048 on your board. It's not clear that
the upstream devs want to support getting more than 2048 by disabling
some features unfortunately. You might want to raise the problem at
bugzilla.freedesktop.org product Xorg component Driver/Intel if it
really matters for you.
Brice
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