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Message #01651
[Bug 964231] Re: System Stutter When HDMI/Displayport Monitor Is Connected
Sorry for the delay on this. That kernel worked perfectly!
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https://bugs.launchpad.net/bugs/964231
Title:
System Stutter When HDMI/Displayport Monitor Is Connected
Status in “linux” package in Ubuntu:
In Progress
Status in “linux” source package in Precise:
Confirmed
Status in “linux” source package in Quantal:
Confirmed
Bug description:
With a fresh install of Ubuntu 11.10 x64, the system has many
"microfreezes" when I connect an external monitor via HDMI. These last
maybe 10ms and occur about once per second. As I move my cursor around
the screen, it stops motion during these microfreezes, causing a very
irritating stutter effect. This only happens when using HDMI- when
connected via VGA to an external monitor, the system behaves smoothly
as expected.
I started a thread about this a long time ago, but I never did find an
answer: http://ubuntuforums.org/showthread.php?t=1817910
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7.1
Uname: Linux 3.3.0-030300rc7-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,grid,move,vpswitch,place,mousepoll,resize,wall,regex,session,snap,gnomecompat,imgpng,animation,expo,workarounds,unitymtgrabhandles,ezoom,fade,scale,unityshell]
CompositorRunning: compiz
Date: Sat Mar 24 18:30:09 2012
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Device [1b0a:2080]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: PEGATRON CORPORATION A15
ProcEnviron:
PATH=(cususername, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.3.0-030300rc7-generic root=UUID=a19e39dd-b510-4f9d-93f5-de6d40df10f1 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/17/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 211
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: A15
dmi.board.vendor: PEGATRON CORPORATION
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: PEGATRON Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr211:bd06/17/2011:svnPEGATRONCORPORATION:pnA15:pvr1.0:rvnPEGATRONCORPORATION:rnA15:rvr1.0:cvnPEGATRONComputerInc.:ct9:cvr1.0:
dmi.product.name: A15
dmi.product.version: 1.0
dmi.sys.vendor: PEGATRON CORPORATION
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6.1
version.ia32-libs: ia32-libs N/A
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+7ubuntu7.1
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
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