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[Bug 436023] Re: Xorg crashed with SIGSEGV in EvdevMBEmuBlockHandler()

 

** Description changed:

  Xorg has crashed twice for me in the last two days, I am submitting the
  detailed report for the last crash.
  
  AFAIK I was doing nothing in particular on both occations.  I may have
  been moving the mouse.
  
  The last time it crashed I had recently (5secs ago) used padevchooser to
  select a new default pulseaudio server.  I doubt it is related to
  pulseaudio, though.
  
  If Xorg keeps crashing it is definitely a showstopper for Karmic though.
  Please have a look at my attached files.
  
  ProblemType: Crash
  Architecture: amd64
  CrashCounter: 1
  Date: Thu Sep 24 18:17:16 2009
  DistroRelease: Ubuntu 9.10
  ExecutablePath: /usr/bin/Xorg
  MachineType: System manufacturer System Product Name
  NonfreeKernelModules: nvidia
  Package: xserver-xorg-core 2:1.6.3-1ubuntu6
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-10-generic root=UUID=574f4ca3-ad94-4abb-9dc6-202712f37615 ro quiet splash
  ProcCmdline: /usr/bin/X :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-KZSv4y/database -nolisten tcp
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
  ProcVersionSignature: Ubuntu 2.6.31-10.32-generic
  RelatedPackageVersions:
   xserver-xorg 1:7.4+3ubuntu5
   libgl1-mesa-glx 7.6.0~git20090817.7c422387-0ubuntu5
   libdrm2 2.4.13-1ubuntu1
   xserver-xorg-video-intel 2:2.8.1-1ubuntu1
   xserver-xorg-video-ati 1:6.12.99+git20090825.fc74e119-0ubuntu2
  SegvAnalysis:
   Segfault happened at: 0x7fcbaf090eca <EvdevMBEmuBlockHandler+26>:	cmpb   $0x0,0x299(%rax)
   PC (0x7fcbaf090eca) ok
   source "$0x0" ok
   destination "0x299(%rax)" (0x5d0d0299) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: xorg-server
  StacktraceTop:
   EvdevMBEmuBlockHandler ()
   BlockHandler ()
   WaitForSomething ()
   Dispatch ()
   main ()
  Title: Xorg crashed with SIGSEGV in EvdevMBEmuBlockHandler()
  Uname: Linux 2.6.31-10-generic x86_64
  UserGroups:
   
  dmi.bios.date: 04/24/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0406
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P6T DELUXE V2
  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.:bvr0406:bd04/24/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6TDELUXEV2:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  fglrx: Not loaded
  system:
   distro:             Ubuntu
   architecture:       x86_64kernel:             2.6.31-10-generic
+ 
+ [lspci]
+ 02:00.0 VGA compatible controller [0300]: nVidia Corporation GT200b [GeForce GTX 275] [10de:05e6] (rev a1)
+     	Subsystem: CardExpert Technology Device [10b0:0401]

-- 
Xorg crashed with SIGSEGV in EvdevMBEmuBlockHandler()
https://bugs.launchpad.net/bugs/436023
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