ubuntu-x-swat team mailing list archive

[Harry <612614@xxxxxxxxxxxxxxxxxx>]

Yotam

You made this bug report against xorg, on the other hand you seem to believe this is a nvidia driver issue.
However, on what grounds this is a nvidia issue?
The reason for incorrect rendering is cairo (package libcairo2) and particularly its 1.9 branch.
In lucid we have libcairo2_1.8.10 which works perfectly with nvidia-current_256.35 and 256.44 drivers.
The reason for desktop sluggishness is the incompatibility of the new libcairo with gtk-themes.
You can easily workaround this by customizing the theme (appearance) you use:
choose "Mist" from the "Controls" list. Then the incorrect rendering and sluggishness is gone.

Also this report is a duplicate of the bug #601220 and bug #595845 among
others.

I also have a report from Arch-linux user, who claims there is
absolutely no rendering nor sluggishness issues with nvidia_256.44 and
libcairo2_1.9.12. This makes me believe this is rather an "ubuntu"
specific issue.

-- 
nvidia 256.35 driver is slow and renders elements incorrectly
https://bugs.launchpad.net/bugs/612614
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