I seem to be having some success with the "EXA" acceleration method; see
xorg.conf device section below. It seems to be important to have
ShadowFB off with EXA enabled.
Section "Device"
Identifier "Trident Microsystems CyberBlade XP4m32"
Driver "trident"
BusID "PCI:1:0:0"
Option "AccelMethod" "EXA"
Option "ShadowFB" "false"
EndSection
I've only just started using the trident driver, as I cannot get the vesa
driver to work in Edgy. (see
https://launchpad.net/distros/ubuntu/+source/xorg/+bug/68814
)
--
Display is unusable with default settings
https://launchpad.net/bugs/57862
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