Xorg crashed with SIGSEGV in XIChangeDeviceProperty()

[Marius Gedminas]

I was brushing lint off my laptop keyboard, and suddenly X crashed.

I may have pressed some keys accidentally. E.g. Win+X, which is mapped to a command to run 'xrandr --auto'.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: xserver-xorg-core 2:1.9.0-0ubuntu7.1
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic i686
Architecture: i386
DRM.card0.DVI.D.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x800
 edid-base64: AP///////wAwrlBAAAAAAAAQAQOAIRV46rNwmVlTjScjUFQAAAABAQEBAQEBAQEBAQEBAQEBEhsAgFAgEDAYIEQAS88QAAAZcRYAgFAgEDAYIEQAS88QAAAZAAAADwCBCjKBCigUAQAyDAAAAAAA/gAxNTRXMDEtVExFNQogAFQ=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Sat Dec 18 18:29:52 2010
DkmsStatus:
 virtualbox-ose, 3.2.8, 2.6.32-25-generic, i686: built
 virtualbox-ose, 3.2.8, 2.6.35-23-generic, i686: installed
 virtualbox-ose, 3.2.8, 2.6.35-22-generic, i686: installed
 virtualbox-ose, 3.2.8, 2.6.35-24-generic, i686: installed
ExecutablePath: /usr/bin/Xorg
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: LENOVO 646655G
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-24-generic root=UUID=4efb22e5-85e5-4a14-9eaa-4f4435e321c3 ro quiet splash
ProcCmdline: /usr/bin/X :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-kOeVVZ/database -nolisten tcp vt7
ProcEnviron:
 LANG=lt_LT.UTF-8
 PATH=(custom, no user)
 LANGUAGE=lt_LT:lt:en_GB:en
SegvAnalysis:
 Segfault happened at: 0x4c4dcc: mov 0x1b0(%edx),%eax
 PC (0x004c4dcc) ok
 source "0x1b0(%edx)" (0x000001b0) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: xorg-server
StacktraceTop:
 ?? () from /usr/lib/xorg/modules/input/synaptics_drv.so
 XIChangeDeviceProperty ()
 ?? ()
 ?? ()
 ?? ()
Title: Xorg crashed with SIGSEGV in XIChangeDeviceProperty()
UserGroups:

dmi.bios.date: 12/06/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETA7WW (2.07 )
dmi.board.name: 646655G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETA7WW(2.07):bd12/06/2007:svnLENOVO:pn646655G:pvrThinkPadT61:rvnLENOVO:rn646655G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 646655G
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
system:
 distro: Ubuntu
 codename: maverick
 architecture: i686
 kernel: 2.6.35-24-generic

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #643134, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.