Public bug reported:
First thing I noticed when I booted Precise was my (CRT) monitor
flickering. Went to change refresh rate, realized I couldn't. Booted
back to Oneric, realized I couldn't change the refresh rate there
either, but it was fine.
Oneric detects the monitor as 'Viewsonic Corporation 20"'. It's a
Viewsonic G220fb.
$ lspci | grep -i vga
05:00.0 VGA compatible controller: NVIDIA Corporation G92 [GeForce 8800 GT]
(rev a2)
Nvidia proprietary driver is enabled.
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
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 295.20 Mon Feb 6 21:07:30
PST 2012
GCC version: gcc version 4.6.2 (Ubuntu/Linaro 4.6.2-16ubuntu1)
.tmp.unity.support.test.0:
ApportVersion: 1.93-0ubuntu2
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 18 06:08:10 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus: nvidia-current, 295.20, 3.2.0-17-generic, x86_64: installed
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
NVIDIA Corporation G92 [GeForce 8800 GT] [10de:0611] (rev a2) (prog-if 00 [VGA
controller])
Subsystem: eVga.com. Corp. Device [3842:c801]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
JockeyStatus:
xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary,
Enabled, In use)
xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release
updates) (Proprietary, Disabled, Not in use)
MachineType: System manufacturer System Product Name
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic
root=UUID=3d94b50f-a36e-445a-89e6-6674aae569fe ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
XorgConf:
Section "Device"
Identifier "Default Device"
Option "NoLogo" "True"
EndSection
dmi.bios.date: 11/19/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2304
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A79T Deluxe
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2304:bd11/19/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A79TDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
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/958439
Title:
Doesn't detect monitor / "Unknown", causes flickering / low refresh
rate
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/958439/+subscriptions
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