[Bug 27479] New: screen flickers/shimmers for half a second from side to side ATI Radeon 2600 HD

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27479

           Summary: screen flickers/shimmers for half a second from side
                    to side ATI Radeon 2600 HD
           Product: xorg
           Version: 7.5
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: minor
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: bryce at canonical.com
         QAContact: xorg-team at lists.x.org


Forwarding this bug from Ubuntu reporter TommyBoy:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/550141

[Problem]
Screen flickers/shimmers for half a second from side to side when using
notifications, certain compiz effects, using wine, and general desktop usage. 
The screen connection also resets or goes black sometimes.

See this video:  http://launchpadlibrarian.net/42260836/flicker.avi

[Original Description]
This can be reproduced using compiz. Please enable the water effect and put in
onto a rain delay of 500 (shift+F9). In about 10 seconds you should see the
screen dancing around and flickering. Hard to describe. Can't make screen cast
as I also have an xorg slowdown issue. 

Compiz is just a method to get this bug to show up again and again. This is
also happening when I am using notifications launching wine and other general
use of the desktop. 

Also I am hearing a clicking sound from the screen and sometimes getting the
message that the screen source disappeared and just reconnected also the screen
is going blank sometimes.

DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+3ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-17-generic i686
Architecture: i386
Date: Sun Mar 28 10:30:00 2010
DkmsStatus: Error: [Errno 2] No such file or directory
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-17-generic
root=UUID=84de763d-0e1f-4c77-b91a-e32343dae65e ro quiet splash
ProcEnviron:
 LANG=en_GB.utf8SourcePackage: xorg
dmi.bios.date: 01/09/2007
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: NF-MCP61
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd01/09/2007:svn:pn:pvr:rvn:rnNF-MCP61:rvr:cvn:ct3:cvr:
glxinfo: Error: [Errno 2] No such file or directory
system: codename:           lucid
 architecture:       i686
 kernel:             2.6.32-17-generic

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