Public bug reported:
After a fresh install of 12.04 beta 1 on my system, running an AMD
Radeon HD 6950 with dual 1920x1280 displays, by default the video output
was set to mirror displays. When changing the configuration settings in
the 'Displays" option in the system settings, Unchecking the mirror
displays box would almost always result in a glitchyness and often
freezing. When trying to rearrange displays in the "displays" menu it
would ALWAYS result in my desktop freezing and having to force a reboot.
After 6-7 attempts at trying to get my displays configured properly,
they now have the proper orientation and settings, but it is very
fragile. (for proper orientation I had to physically swith the DVI
connections on my video output) If I try to use the Dash on the second
screen, 4/5 times it will glitch, and my screens will start flashing
white until the desktop is completely unusable, and I must force reboot.
I would also like to note that I tried to do an upgrade from my 11.10
desktop, but was immediately met with freezing when trying to log into
my desktop. I believe it was due to my having my orientation settings
set to monitor 2 on the left and monitor 1 on the right. These settings
seem to always crash the 12.04 desktop, and I believe the settings being
transfered from 11.10 lead to constant freezes when trying to log into
12.04 desktop.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xserver-xorg 1:7.6+10ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 1.94-0ubuntu1
Architecture: amd64
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
Date: Sun Mar 4 11:45:28 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
Advanced Micro Devices [AMD] nee ATI Cayman PRO [Radeon HD 6950] [1002:6719]
(prog-if 00 [VGA controller])
Subsystem: PC Partner Limited Device [174b:186b]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
MachineType: EVGA 132-YW-E179-FTW
ProcEnviron:
LANGUAGE=en_CA:en
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic
root=UUID=e13ba62a-6ba1-43f1-8380-8c409080a450 ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/11/2009
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: 132-YW-E179-FTW
dmi.board.vendor: EVGA
dmi.board.version: 1
dmi.chassis.type: 3
dmi.chassis.vendor: EVGA
dmi.chassis.version: 132-YW-E179-FTW
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd09/11/2009:svnEVGA:pn132-YW-E179-FTW:pvr1:rvnEVGA:rn132-YW-E179-FTW:rvr1:cvnEVGA:ct3:cvr132-YW-E179-FTW:
dmi.product.name: 132-YW-E179-FTW
dmi.product.version: 1
dmi.sys.vendor: EVGA
version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu5
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
1:2.6.99.901+git20120126-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20111201+b5534a1-1build2
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 precise regression reproducible ubuntu
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/946589
Title:
Xorg crashes in Precise with Dual Screens
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/946589/+subscriptions
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