Public bug reported:
I have a monitor with aspect ratio 16:10. When I switch to a resolution
with a non-native aspect ratio (such as 16:9), the display is distorted
heavily. It is not unusable, but pretty close. The same resolution is
displayed with much better quality by fglrx and Windows 7.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
Uname: Linux 3.5.0-19-generic i686
.tmp.unity.support.test.0:
ApportVersion: 2.6.1-0ubuntu6
Architecture: i386
CompizPlugins:
[core,bailer,detection,composite,opengl,decor,compiztoolbox,gnomecompat,imgpng,place,text,move,grid,commands,resize,vpswitch,session,regex,snap,mousepoll,wall,unitymtgrabhandles,shift,animation,workarounds,expo,fade,ezoom,scale,scaleaddon,unityshell,switcher]
CompositorRunning: compiz
Date: Sun Dec 2 15:05:51 2012
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Advanced Micro Devices [AMD] nee ATI Barts XT [Radeon HD 6800 Series]
[1002:6738] (prog-if 00 [VGA controller])
Subsystem: Micro-Star International Co., Ltd. Device [1462:2450]
InstallationDate: Installed on 2012-11-22 (9 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
LightdmGreeterLog:
** (process:1451): WARNING **: Error reading existing Xauthority: Error
opening file: Permission denied
Error writing X authority: Error opening file '/var/lib/lightdm/.Xauthority':
Permission denied
LightdmGreeterLogOld:
** (process:1423): WARNING **: Error reading existing Xauthority: Error
opening file: Permission denied
Error writing X authority: Error opening file '/var/lib/lightdm/.Xauthority':
Permission denied
MachineType: Gigabyte Technology Co., Ltd. GA-770TA-UD3
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-19-generic
root=UUID=d2a24aab-431c-49e6-8795-6fc21bc029cb ro quiet splash
SourcePackage: xserver-xorg-video-ati
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/25/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F2
dmi.board.name: GA-770TA-UD3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd12/25/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-770TA-UD3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-770TA-UD3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-770TA-UD3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.8.4+bzr3407-0ubuntu1
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug compiz-0.9 i386 quantal running-unity ubuntu
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-ati in Ubuntu.
https://bugs.launchpad.net/bugs/1085635
Title:
Distorted display for resolutions with non-native aspect ratio
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1085635/+subscriptions
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