compiz crashed with SIGSEGV in free()

[Alan Pope 🍺🐧🐱 🦄]

Binary package hint: compiz

Logged in, dual screen twinview setup. Pressed CTRL+ALT+T to open a terminal. Started top in that terminal. Pressed again to open a new terminal, then boom. crash.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4git20110322-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 270.30 Fri Feb 25 14:34:55 PST 2011
 GCC version: gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-6ubuntu4)
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,imgpng,grid,vpswitch,regex,resize,animation,workarounds,mousepoll,gnomecompat,place,wall,snap,move,fade,scale,expo,session,ezoom,unityshell,switcher]
CompositorRunning: compiz
CrashCounter: 1
Date: Mon Mar 28 19:21:29 2011
DistUpgraded: Log time: 2011-01-19 12:33:17.207056
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current, 270.30, 2.6.38-7-generic, x86_64: installed
 nvidia-current, 270.30, 2.6.38-6-generic, x86_64: installed
 vboxhost, 4.0.4, 2.6.38-7-generic, x86_64: installed
 vboxhost, 4.0.4, 2.6.38-6-generic, x86_64: installed
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 nVidia Corporation G71 [GeForce 7900 GT/GTO] [10de:0291] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: LeadTek Research Inc. Device [107d:2a62]
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
InstallationMedia_: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
JockeyStatus: xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use)
MachineType: System manufacturer System Product Name
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=fb22b4e1-1576-4bf8-8272-15300bc7de38 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.39-generic 2.6.38
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x7f577f1db8c3 <free+83>: lock cmpxchg %esi,(%rbx)
 PC (0x7f577f1db8c3) ok
 source "%esi" ok
 destination "(%rbx)" (0x7f573800001f) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 free () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in free()
UpgradeStatus: Upgraded to natty on 2011-01-19 (68 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:1932): Gtk-WARNING **: Change Desktop Background: missing action Change Desktop Background
 (nautilus:1932): Gtk-WARNING **: Ubuntu Documentation: missing action Ubuntu Documentation
 (nautilus:1932): Gtk-WARNING **: Change Desktop Background: missing action Change Desktop Background
 (nautilus:1932): Gtk-WARNING **: Ubuntu Documentation: missing action Ubuntu Documentation
dmi.bios.date: 04/24/2009
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS P5N32-E SLI ACPI BIOS Revision 1801
dmi.board.name: P5N32-E SLI
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.XX
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSP5N32-ESLIACPIBIOSRevision1801:bd04/24/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5N32-ESLI:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.4git20110322-0ubuntu5
version.libdrm2: libdrm2 2.4.23-1ubuntu5
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A

[Apport retracing service (apport)]

StacktraceTop:
 __libc_free (mem=0x7f5778049040) at malloc.c:3736
 g_source_callback_unref (cb_data=0x7f5778052580) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:1332
 g_source_destroy_internal (source=0x7f57780a8400, context=0x16e8730, have_lock=1) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:1001
 g_main_dispatch (context=0x16e8730) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:2465
 g_main_context_dispatch (context=0x16e8730) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3013

[jhfhlkjlj (fdsuufijjejejejej-deactivatedaccount)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. We are sorry that we do not always have the capacity to look at all reported bugs in a timely manner. There have been many changes in Ubuntu since that time you reported the bug and your problem may have been fixed with some of the updates. It would help us a lot if you could test it on a currently supported Ubuntu version. When you test it and it is still an issue, kindly upload the updated logs by running apport-collect <bug #> and any other logs that are relevant for this particular issue.

[Launchpad Janitor (janitor)]

[Expired for compiz (Ubuntu) because there has been no activity for 60 days.]