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[dino99 <620478@xxxxxxxxxxxxxxxxxx>]

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** Changed in: nvidia-graphics-drivers (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/620478

Title:
  xorg crashes randomly with seg fault

Status in nvidia-graphics-drivers package in Ubuntu:
  Invalid

Bug description:
  This is similar to bug 578750, but on my system this particular bug
  only started to occur recently.

  I'm getting frequent crashes of the X server with this stacktrace in
  the logs:

  Backtrace:
  0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e938b]
  1: /usr/bin/X (0x8048000+0x61c8d) [0x80a9c8d]
  2: (vdso) (__kernel_rt_sigreturn+0x0) [0x7c8410]
  Segmentation fault at address 0x40080884

  This was without debugging symbols, a version after I installed xorg
  with debugging symbols can be found in  Xorg.0.log.old

  More info:
  I'm using "nv" driver with TwinView (via xorg.conf) and this configuration has been working pretty stable for a while. I can't precisely say, when instability returned, but possibly the upgrade of xserver-xorg-core to 2:1.7.6-2ubuntu7.3 escalated this situation. I did the upgrade three days ago, and while it feels that the situation started earlier than that, during the last (3) days the system crashed several times a day (or even: hour).

  Suspecting TwinView  to have a finger in the pie I disabled TwinViw
  but X crashed only a few seconds after restarting.

  It can't see a connection to any application, usually I'm in Eclipse
  (with gtk) when it happens, but that's only where I spend most of the
  time. The crash might be related to either some mouse activity (never
  saw it without doing something with the mouse). One crash, e.g.,
  happened about when I clicked on the (KDE) desktop.

  Another symptom I've been seeing is not crashing but freezing (no
  reaction to any input device, including not-working keyboard LEDs) -
  not sure if this is related. Usually, when the system freezes first
  the full screen flickers shortly before the freeze - and I believe
  this symptom equally applies to the freeze and the crash. At other
  times the flicker occurs and after a second or so that system becomes
  responsive again (micro freeze, you might say).

  Please let me know what further information would help to identify the
  problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: xserver-xorg-core 2:1.7.6-2ubuntu7.3
  ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
  Uname: Linux 2.6.32-24-generic i686
  NonfreeKernelModules: nvidia
  Architecture: i386
  Date: Thu Aug 19 16:45:28 2010
  DkmsStatus:
   nvidia-current, 195.36.24, 2.6.32-23-generic, i686: installed 
   nvidia-current, 195.36.24, 2.6.32-24-generic, i686: installed
  Lsusb:
   Bus 002 Device 003: ID 045e:00dd Microsoft Corp. 
   Bus 002 Device 002: ID 046d:c050 Logitech, Inc. RX 250 Optical Mouse
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 004: ID 058f:6362 Alcor Micro Corp. Hi-Speed 21-in-1 Flash Card Reader/Writer (Internal/External)
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: System manufacturer System Product Name
  ProcCmdLine: root=UUID=0b16b3df-690d-4404-afc9-9560c74fdc5a ro quiet splash noapic
  ProcEnviron:
   LANGUAGE=en_AU:en
   PATH=(custom, user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SourcePackage: xorg-server
  dmi.bios.date: 06/15/2006
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: ASUS M2N-SLI DELUXE ACPI BIOS Revision 0304
  dmi.board.name: M2N-SLI DELUXE
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 1.XX
  dmi.chassis.asset.tag: 123456789000
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2N-SLIDELUXEACPIBIOSRevision0304:bd06/15/2006:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N-SLIDELUXE:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  system:
   distro:             Ubuntu
   codename:           lucid
   architecture:       i686
   kernel:             2.6.32-24-generic

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