On this Acer Aspire 5100 I just tried the following:
-- disabled KMS using # echo options radeon modeset=0 >
/etc/modprobe.d/radeon-kms.conf
but disabling KMS had no noticeable effect on flicker.
-- tried vesa driver by creating an xorg.conf
The vesa driver came up in low resolution, AND the machine flickered
after suspend.
-- tried fbdev driver by creating an xorg.conf
The fbdev driver didn't work with X at all; X wouldn't start.
All of the above was tested using the stock Maverick 10.10 xorg, NOT the
newer PPAs. When I get a chance I may try the Xorg Crack PPA.
I consider suspend and resume essential on a laptop, so I am open to
suggestions for other things I might try.
P.S.: I believe this particular laptop only contains the stock 1Gb RAM.
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https://bugs.launchpad.net/bugs/318325
Title:
[X1100] flickering after resume from ram
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