lock screen sometimes breaks unity/compiz, and the screen shows only the mouse pointer

Bug #1057441 reported by Daniel Told
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
unity (Ubuntu)
New
Undecided
Unassigned

Bug Description

Since the update to 12.10, it sometimes occurs that after having locked the screen, the session cannot be resumed, and only a black screen with movable mouse pointer is shown.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: unity 6.6.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-15.23-generic 3.5.4
Uname: Linux 3.5.0-15-generic i686
NonfreeKernelModules: openafs
.tmp.unity.support.test.0:

ApportVersion: 2.5.2-0ubuntu4
Architecture: i386
CompizPlugins: [core,composite,opengl,decor,mousepoll,resize,gnomecompat,snap,grid,move,compiztoolbox,wall,imgpng,regex,unitymtgrabhandles,animation,vpswitch,place,fade,scale,session,expo,workarounds,ezoom,unityshell]
CompositorRunning: compiz
Date: Thu Sep 27 12:15:06 2012
DistUpgraded: 2012-09-24 22:41:28,797 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
DkmsStatus:
 blcr, 0.8.4: added
 openafs, 1.6.1, 3.5.0-15-generic, i686: installed
EcryptfsInUse: Yes
GraphicsCard:
 Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 03) (prog-if 00 [VGA controller])
   Subsystem: Wistron Corp. Device [17c0:4082]
   Subsystem: Wistron Corp. Device [17c0:4082]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110413)
MachineType: MEDION WIM2140
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-15-generic root=UUID=658be2e6-ccc8-4d88-87c6-2d94285fa1dc ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: Upgraded to quantal on 2012-09-24 (2 days ago)
dmi.bios.date: 09/10/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.00
dmi.board.name: WIM2140
dmi.board.vendor: MEDION
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: MEDION
dmi.chassis.version: A2040
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.00:bd09/10/2007:svnMEDION:pnWIM2140:pvr20:rvnMEDION:rnWIM2140:rvrNotApplicable:cvnMEDION:ct10:cvrA2040:
dmi.product.name: WIM2140
dmi.product.version: 20
dmi.sys.vendor: MEDION
version.compiz: compiz 1:0.9.8.2+bzr3377-0ubuntu1
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120917.7cfd42ce-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120917.7cfd42ce-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
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 2:2.20.8-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu1

Revision history for this message
Daniel Told (daniel-told) wrote :
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Sounds like bug 966744.

Revision history for this message
Daniel Told (daniel-told) wrote :

Indeed it does! It is strange though that this happens to me only now with Unity 6.6, rather than already with all the 5.x versions as in the older bug report.

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