Comment 42 for bug 932125

"Unity --replace" did not work for me! Also tried "unity --reset" to no avail...

I have to boot to start menu and select previous Linux Version & that is the only way I can see everything on the screen (not sure how real a version of 12.04 this really is at this point, but it allows me to keep using PC, downloading & installing updates)!

The other weird thing for me is it is showing a "Laptop" as my monitor instead of the "Sony" (which it is a Sony HDTV Screen connected through DVI port) that was there just last week (and under 11.10 & all previous versions).

Me so sad... Hopefully all fixed with official release???

-----Original Message-----
From: <email address hidden> [mailto:<email address hidden>] On Behalf Of SiRiusCb
Sent: Tuesday, March 27, 2012 4:56 AM
To: <email address hidden>
Subject: [Bug 932125] Re: compiz crashed with SIGSEGV in Glib::Source::prepare_vfunc()

At the end of reboot my laptop don't show Unity Dash and the Top menu bar so i write "unity --replace" in terminal and returns all normal

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You received this bug notification because you are subscribed to a duplicate bug report (948496).
https://bugs.launchpad.net/bugs/932125

Title:
  compiz crashed with SIGSEGV in Glib::Source::prepare_vfunc()

Status in Compiz Configuration Library - GConf Backend:
  Triaged
Status in Compiz Core:
  Triaged
Status in compiz package in Ubuntu:
  Triaged
Status in compizconfig-backend-gconf package in Ubuntu:
  Confirmed

Bug description:
  crash

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: compiz-core 1:0.9.7.0~bzr2995-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-15.24-generic-pae 3.2.5
  Uname: Linux 3.2.0-15-generic-pae i686
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] ??? ???????: '/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86 Kernel Module 290.10 Wed Nov 16 19:27:25 PST 2011
   GCC version: gcc ?????? 4.6.2 (Ubuntu/Linaro 4.6.2-14ubuntu1)
  .tmp.unity.support.test.0:

  ApportVersion: 1.91-0ubuntu1
  Architecture: i386
  CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,mousepoll,place,snap,session,wall,obs,imgpng,vpswitch,move,grid,resize,regex,animation,fade,gnomecompat,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  CrashCounter: 1
  Date: Tue Feb 14 17:32:50 2012
  DistUpgraded: Fresh install
  DistroCodename: precise
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/compiz
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Samsung Electronics Co Ltd Device [144d:c0c1]
     Subsystem: Samsung Electronics Co Ltd Device [144d:c0c1]
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120130)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. RC530/RC730
  ProcCmdline: /usr/bin/compiz
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-15-generic-pae root=UUID=64222a29-2b0b-4497-a73e-b0b25a84ff68 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0xb72b202e <_ZN4Glib6Source13prepare_vfuncEP8_GSourcePi+30>: mov (%eax),%edx
   PC (0xb72b202e) ok
   source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%edx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
   Glib::Source::prepare_vfunc(_GSource*, int*) () from /usr/lib/i386-linux-gnu/libglibmm-2.4.so.1
   g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
   ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
   g_main_context_pending () from /lib/i386-linux-gnu/libglib-2.0.so.0
   ?? () from /usr/lib/compizconfig/backends/libgconf.so
  Title: compiz crashed with SIGSEGV in Glib::Source::prepare_vfunc()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 08/10/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 02WD.M007.20110810.PSA
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: RC530/RC730
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: 02WD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr02WD.M007.20110810.PSA:bd08/10/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pnRC530/RC730:pvr02WD:rvnSAMSUNGELECTRONICSCO.,LTD.:rnRC530/RC730:rvr02WD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
  dmi.product.name: RC530/RC730
  dmi.product.version: 02WD
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
  version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu1
  version.libdrm2: libdrm2 2.4.30-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0~rc2-0ubuntu5
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0~rc2-0ubuntu5
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu3
  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 2:2.17.0-1ubuntu3
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

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