http://bugs.freedesktop.org/show_bug.cgi?id=20478
Summary: [x1100] flickering after resume from ram
Product: xorg
Version: 7.3
Platform: Other
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: high
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Created an attachment (id=23555)
--> (http://bugs.freedesktop.org/attachment.cgi?id=23555)
Xorg.0.log
Forwarding this bug from a Ubuntu reporter:
https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/318325
[Problem]
After resuming from RAM, the screen flickers when the CPU load drops to a low
level.
[Original Report]
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 occur with fglrx driver.
[lspci]
00:00.0 0600: 1002:5950 (rev 10)
Subsystem: 1025:009f
01:05.0 0300: 1002:5975
Subsystem: 1025:009f
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