Xorg freeze

Bug #943836 reported by mathieg2 on 2012-03-01
This bug affects 1 person
Affects Status Importance Assigned to Milestone
nvidia-graphics-drivers (Ubuntu)

Bug Description

X dies when the screensaver comes on. If I kill X from another computer via ssh, then computer comes back to life.

When logging into ubuntu, I get screen corruption

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+10ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic-pae 3.2.6
Uname: Linux 3.2.0-17-generic-pae i686
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
 NVRM version: NVIDIA UNIX x86 Kernel Module 295.20 Mon Feb 6 20:25:38 PST 2012
 GCC version: gcc version 4.6.2 (Ubuntu/Linaro 4.6.2-16ubuntu1)

ApportVersion: 1.93-0ubuntu2
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,vpswitch,commands,resize,compiztoolbox,grid,snap,place,regex,move,ring,obs,imgpng,gnomecompat,mousepoll,animation,session,wall,workarounds,expo,ezoom,unitymtgrabhandles,fade,scale,unityshell]
CompositorRunning: compiz
Date: Thu Mar 1 08:16:25 2012
DistUpgraded: Log time: 2012-02-26 19:57:58.778115
DistroCodename: precise
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GpuHangFrequency: Several times a day
GpuHangReproducibility: Occurs more often under certain circumstances
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard: NVIDIA Corporation G96 [GeForce 9400 GT] [10de:0641] (rev a1) (prog-if 00 [VGA controller])
 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
 PATH=(custom, user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic-pae root=UUID=4a45f643-9353-4adc-b0a8-298b00ef039d ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to precise on 2012-02-26 (3 days ago)
dmi.bios.date: 11/16/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A87TD EVO
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.:bvr1101:bd11/16/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A87TDEVO: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:
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:
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

mathieg2 (graeme-salsaholics) wrote :
bugbot (bugbot) on 2012-03-01
affects: xorg (Ubuntu) → nvidia-graphics-drivers (Ubuntu)
Bryce Harrington (bryce) wrote :

The screen corruption issue is a known regression in unity-greeter.

Are you using the default screensaver (that just shows a blank screen and clock), or xscreensaver, or something else?

None of your logs show an error; could you reproduce the fault, attach gdb to the Xorg process, and collect a backtrace? That may indicate where X is stuck. See http://wiki.ubuntu.com/X/Backtracing for guidance.

Sometimes these types of bugs are caused by compiz plugins. Can you reproduce this when using unity-2d?

Changed in nvidia-graphics-drivers (Ubuntu):
importance: Undecided → High
status: New → Incomplete
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