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[Bug 536898] [NEW] Xorg crashed with SIGSEGV in privateExists()

 

Public bug reported:

I suspended the OS via the gnome-panel menu. Upon resuming Xorg had died
and, after logging-in, the app crash reporter popped-up.

ProblemType: Crash
Architecture: amd64
Date: Thu Mar 11 07:33:48 2010
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/Xorg
MachineType: Dell Inc. Precision WorkStation T5400
NonfreeKernelModules: nvidia
Package: xserver-xorg-core 2:1.6.4-2ubuntu4.2
ProcCmdLine: root=UUID=d28e110a-ad70-4060-858f-9a6cc5b47a91 ro quiet splash  crashkernel=384M-2G:64M,2G-:128M
ProcCmdline: /usr/bin/X :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-5uCLEl/database -nolisten tcp vt7
ProcEnviron:
 LANG=en_AU.UTF-8
 PATH=(custom, no user)
ProcVersionSignature: Ubuntu 2.6.31-20.57-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu10
 libgl1-mesa-glx 7.6.0-1ubuntu4
 libdrm2 2.4.14-1ubuntu1
 xserver-xorg-video-intel N/A
 xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SegvAnalysis:
 Segfault happened at: 0x434aa2 <dixLookupPrivate+18>:	cmp    (%rdx),%eax
 PC (0x00434aa2) ok
 source "(%rdx)" (0xfa2000000220) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: xorg-server
StacktraceTop:
 privateExists (privates=0xcbca558, key=0x7ddb84)
 dixLookupPrivate (privates=0xcbca558, key=0x7ddb84)
 xf86SetCursor (pScreen=0x25b0980, pCurs=0xcbca540, 
 xf86CursorSetCursor (pDev=0x27b0a30, 
 xf86CursorEnableDisableFBAccess (index=1, enable=1)
Title: Xorg crashed with SIGSEGV in privateExists()
Uname: Linux 2.6.31-20-generic x86_64
UserGroups:
 
Xrandr:
 Error: command ['xrandr', '--verbose'] failed with exit code 1: Xlib:  extension "RANDR" missing on display ":0.0".
 RandR extension missing
dmi.bios.date: 02/01/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A01
dmi.board.name: 0RW203
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA01:bd02/01/2008:svnDellInc.:pnPrecisionWorkStationT5400:pvr:rvnDellInc.:rn0RW203:rvr:cvnDellInc.:ct7:cvr:
dmi.product.name: Precision WorkStation T5400
dmi.sys.vendor: Dell Inc.
fglrx: Not loaded
system:
 distro:             Ubuntu
 architecture:       x86_64kernel:             2.6.31-20-generic

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash

-- 
Xorg crashed with SIGSEGV in privateExists()
https://bugs.launchpad.net/bugs/536898
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