Public bug reported:
originally reported as bug 813566 :
i have an external monitor (1920x1200 resolution) that, when set to
1920x1080 resolution (native resolution of laptop display), garbles the
screen as seen in the screenshot attached to bug 813566. The problem
doesn't happen using the catalyst driver.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-15.25-generic 3.0.13
Uname: Linux 3.0.0-15-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: None
Date: Thu Jan 12 07:42:25 2012
DistUpgraded: Log time: 2011-07-13 10:07:59.371965
DistroCodename: oneiric
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
ATI Technologies Inc Broadway PRO [Mobility Radeon HD 5800 Series] [1002:68a1]
(prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Device [103c:1522]
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate amd64
(20100419.1)
MachineType: Hewlett-Packard HP ENVY 15 Notebook PC
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-15-generic
root=UUID=639dc488-e095-42a4-8c1f-ffb1a9299e1c ro
crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to oneiric on 2011-07-13 (182 days ago)
dmi.bios.date: 04/23/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.26
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1522
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 36.34
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.26:bd04/23/2010:svnHewlett-Packard:pnHPENVY15NotebookPC:pvr048F110000241920001530000:rvnHewlett-Packard:rn1522:rvr36.34:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP ENVY 15 Notebook PC
dmi.product.version: 048F110000241920001530000
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6
version.ia32-libs: ia32-libs 20090808ubuntu26
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20110411+8378443-1
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric ubuntu
--
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/915408
Title:
Garbled display on external screen when using 1920x1080 instead of
1920x1200
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/915408/+subscriptions
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