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Message #26530
[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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References