Well,
under KDE4,
for this bug, I can only reproduce it with the propriatary driver since I can
enable effects only with fglrx (with openGL rendering)
(but I think I remember I could reproduced it with free driver and desktop
effects with Xrender, but it would be good thing to check this)
** Description changed:
+ [updated]
Since the new version of ubuntu/kubuntu (9.04 jaunty) a new bug occurs with
ATI cards and desktop effects enabled.
- The unminimizing of windows is really slow ... it takes from 1 to 3 seconds.
- All other effects seem to be ok.
+ With fglrx driver, the unminimizing of windows is really slow ... it can take
from 1 to 3 seconds.
+ Also, the maximizing, unmaximizing and Alt+Tab present the same problem.
+ The opening of a window present the same bug, freezing the system for 1sec.
This bug is under both gnome and kde (4.2.1)
(I have an ATI HD2600 Mobility Pro )
- I don't know where this could come from... apparently not kwin nor compiz.
- not fglrx (as the same bug occurs on openSUSE with both fglrx and radeon).
- Maybe xorg ?
- I don't know what log I should give to help resolving this bug.
[lspci]
00:00.0 Host bridge [0600]: Intel Corporation Mobile PM965/GM965/GL960 Memory
Controller Hub [8086:2a00] (rev 03)
Subsystem: Acer Incorporated [ALI] Device [1025:011e]
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc M76 [Radeon
Mobility HD 2600 Series] [1002:9581]
Subsystem: Acer Incorporated [ALI] Device [1025:011e]
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[ubuntu 9.04 beta]slow unminimizing with ati card and desktop effects enabled
https://bugs.launchpad.net/bugs/351186
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