I am assuming mistr has similar hardware as my Compaq Evo N610c laptop,
which only has 32mb vram (dedicated card, not shared)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility M7 LW
[Radeon Mobility 7500]
Subsystem: Compaq Computer Corporation Device 00b7
Flags: bus master, stepping, 66MHz, medium devsel, latency 66, IRQ 11
Memory at 48000000 (32-bit, prefetchable) [size=128M]
I/O ports at 3000 [size=256]
Memory at 40400000 (32-bit, non-prefetchable) [size=64K]
[virtual] Expansion ROM at 40420000 [disabled] [size=128K]
Capabilities: [58] AGP version 2.0
Capabilities: [50] Power Management version 2
Kernel modules: radeon, radeonfb
To fix this problem, I simply needed to create an xorg.conf with this:
Section "Device"
Identifier "Configured Video Device"
Driver "radeon"
Option "AccelMethod" "XAA"
Option "RenderAccel" "off"
Option "EnablePageFlip" "true"
EndSection
The EnablePageFlip seems to remedy some graphical artifacts during
Kubuntu's login
As a side note, in Kubuntu all the plasma components show this graphical
corruption: the taskbar, main menu, window decorations, etc.
--
(32MB) certain windows drawn garbled when XAA is used
https://bugs.launchpad.net/bugs/426582
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