[Bug 36005] New: Screen flicker approx. every 30 seconds

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36005

           Summary: Screen flicker approx. every 30 seconds
           Product: xorg
           Version: 7.6
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Keywords: regression
          Severity: normal
          Priority: high
         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 Lucas Reece:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/727979

[Problem]
Screen flicker approx. every 30 seconds after updating to Natty.

The system itself is 4 years old and has booted previous Linux distros and
versions without seeing this flicker before.

[Original Description]
Booting from the live CD and subsequently after installing, the screen flickers
to black and back every 30 seconds or so.

Using daily build of Natty (2011-03-02).

DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6~3ubuntu9
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
Architecture: i386
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x1024 1280x1024 1152x864 1024x768 1024x768 800x600 800x600 640x480
640x480 720x400
 edid-base64:
AP///////wAQrCSgTE5ZMC0QAQNoJh547sr2o1dHniMRT1SlSwBxT4GAAQEBAQEBAQEBAQEBMCoAmFEAKkAwcBMAfDERAAAeAAAA/QA4Sx9QDgAKICAgICAgAAAA/wBITTA3MDZCNjBZTkwKAAAA/ABERUxMIEUxOTdGUAogAPE=
Date: Wed Mar  2 19:11:15 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
GraphicsCard:
 ATI Technologies Inc RV516 [Radeon X1300/X1550 Series] [1002:7183] (prog-if 00
[VGA controller])
   Subsystem: Dell Device [1028:0302]
   Subsystem: Dell Device [1028:0303]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
MachineType: Dell Inc. Dell DM061
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-5-generic
root=UUID=14233ea6-5c49-447c-b3a6-2b9c132deb9b ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/24/2007
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.4.0
dmi.board.name: 0WG864
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr2.4.0:bd05/24/2007:svnDellInc.:pnDellDM061:pvr:rvnDellInc.:rn0WG864:rvr:cvnDellInc.:ct6:cvr:
dmi.product.name: Dell DM061
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.4-0ubuntu3
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu9
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20110107+b795ca6e-0ubuntu5

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