Xorg crashed with SIGSEGV in dl_iterate_phdr()

[Thomas Mørch]

I was just reconfiguring mysqld in a shell, when i was kicked out of my X session (using gnome-shell).

After re-login, everything seems okay.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: xserver-xorg-core 2:1.11.4-0ubuntu10
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: wl fglrx
.tmp.unity.support.test.0:

ApportVersion: 2.0.1-0ubuntu2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Sun Apr 15 00:14:52 2012
DistUpgraded: 2012-04-14 00:17:11,938 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI RV710 [Mobility Radeon HD 4500/5100 Series] [1002:9553] (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:02be]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
JockeyStatus:
 xorg:fglrx_updates - ATI/AMD propritær FGLRX grafikdriver (opdateringer efter udgivelse) (Proprietær, Deaktiveret, Ikke i brug)
 kmod:wl - Broadcom STA trådløs driver (Proprietær, Aktiveret, I brug) [auto-install]
 xorg:fglrx - ATI/AMD proprietær FGLRX-grafikdriver (Proprietær, Aktiveret, I brug)
MachineType: Dell Inc. Studio 1555
ProcCmdline: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=349f157b-7b5d-48b7-8807-e2d9004196fa ro quiet splash pcie_aspm=force xbmc=autostart,nodiskmount loglevel=0 vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f60438b8374 <TimerSet+84>: mov (%rax),%rax
 PC (0x7f60438b8374) ok
 source "(%rax)" (0x00000030) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: fglrx-installer
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
 dl_iterate_phdr () from /lib/x86_64-linux-gnu/libc.so.6
 _Unwind_Find_FDE () from /lib/x86_64-linux-gnu/libgcc_s.so.1
 ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
 _Unwind_Backtrace () from /lib/x86_64-linux-gnu/libgcc_s.so.1
Title: Xorg crashed with SIGSEGV in dl_iterate_phdr()
UpgradeStatus: Upgraded to precise on 2012-04-13 (0 days ago)
UserGroups:

dmi.bios.date: 11/07/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0C234M
dmi.board.vendor: Dell Inc.
dmi.board.version: A08
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A08
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd11/07/2009:svnDellInc.:pnStudio1555:pvrA08:rvnDellInc.:rn0C234M:rvrA08:cvnDellInc.:ct8:cvrA08:
dmi.product.name: Studio 1555
dmi.product.version: A08
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.7.6-0ubuntu1
version.fglrx-installer: fglrx-installer N/A
version.ia32-libs: ia32-libs 20090808ubuntu35
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #969087, 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.