You have been subscribed to a public bug:
Binary package hint: xserver-xorg-video-radeon
System : Ubuntu 8.10 (up to date)
GPU : ATI express X1100
Video driver : radeon
Steps to reproduce :
- put the computer on standby
- resume from ram
=> the screen will flicker while CPU activity is not high
workaround :
- just launch an infinite loop that consume CPU : $ while true; do echo
>/dev/null; done
=> the screen won't flicker while the CPU is use (even if only one core is
being used)
There isn't error either in Xorg, xsession logs or in dmesg after
resuming.
Notice that this trouble doesn't occured with fglrx driver.
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: flicker hardy intrepid lucid maverick natty precise quantal resume
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[X1100] flickering after resume from ram
https://bugs.launchpad.net/bugs/318325
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