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[Joshua <862430@xxxxxxxxxxxxxxxxxx>]

I had the previous workspace flash, and windows not moving to adjacent
workspace problem when rotating the desktop cube.

Yesterday I tried Daniel vav Vugt's ppa:vanvugt/compiz-preproposed
version, but had some different problems.

The cube was mostly fixed it seems, but most windows went plain white.
Focussing or defocussing a window usually caused it to toggle between
white-washed and correct, but some windows stayed white-washed, and I
think some stayed correct. I'm using gnome-classic on 12.04, and after I
logged in again the panel was white-washed too (its content was
functional but hidden). Also, when I tried the expo, the textures for
the desktop were a bit mosaic (too small and repeated, or displaced and
so on). I couldn't analyse it much because something started to chug and
the system soon hung.

I'm using a lenovo T420s with following graphics (couldn't get it
working in Optimus mode, so chose Integrated graphics in the BIOS). Also
tried compiz with and without the nvidia driver enabled, but it didn't
seem to make any difference.

> lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: nVidia Corporation GF108 [Quadro NVS 4200M] (rev a1)

Good luck getting on top of this Daniel. My guess is that some texture
parameters are getting set incorrectly, and causing white-wash if one is
lucky, or a more serious corruption if not (I guess the expo requires
more/larger textures and is hence more likely to propagate corruption).

-- 
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https://bugs.launchpad.net/bugs/862430

Title:
  window flicker for a short time after switching workspaces

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