compiz crashed with SIGSEGV in free()

[Andre Cataldi]

Binary package hint: compiz

Compiz creshed when pressing Alt+Print Screen after changed keybindings in shutter.

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: wl
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,move,gnomecompat,zoom,regex,expo,resize,place,mousepoll,switcher,grid,wall,fade,scale,unityshell]
CompositorRunning: compiz
CrashCounter: 1
DRM.card0.DP.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///////wAGryQUAAAAAAERAQOAHRJ4Cof1lFdPjCcnUFQAAAABAQEBAQEBAQEBAQEBAQEB7hsAqFAgFzAwIDYAIrQQAAAZ7hsAqFAgFzAwIDYAIrQQAAAAAAAA/gBEVzkwOYBCMTMzRVcxAAAA/gAAAAAAAAAAAAEBCiAgACI=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Sun Mar 27 22:49:31 2011
DistUpgraded: Log time: 2011-02-26 13:16:19.492037
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 virtualbox-ose, 4.0.4, 2.6.38-7-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 2.6.38-1-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 2.6.38-7-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 2.6.38-5-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 2.6.38-6-generic, x86_64: installed
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:02bb]
   Subsystem: Dell Device [1028:02bb]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110202)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110202)
MachineType: Dell Inc. Vostro 1320
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=8a68889e-336e-4c33-87e0-7be0953b7cd1 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.39-generic 2.6.38
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x7f64c82438c3 <free+83>: lock cmpxchg %esi,(%rbx)
 PC (0x7f64c82438c3) ok
 source "%esi" ok
 destination "(%rbx)" (0x7f648000001f) 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
 g_variant_unref () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_hash_table_unref () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in free()
UpgradeStatus: Upgraded to natty on 2011-03-25 (2 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 03/05/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0Y69F2
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd03/05/2010:svnDellInc.:pnVostro1320:pvrNull:rvnDellInc.:rn0Y69F2:rvr:cvnDellInc.:ct8:cvrN/A:
dmi.product.name: Vostro 1320
dmi.product.version: Null
dmi.sys.vendor: Dell Inc.
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.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 1:0.0.16+git20110107+b795ca6e-0ubuntu6

[Apport retracing service (apport)]

StacktraceTop:
 __libc_free (mem=0x7f64c0ffe9c0) at malloc.c:3736
 g_buffer_free_gfree (buffer=0x7f64c00f8720) at /build/buildd/glib2.0-2.28.4/./glib/gbuffer.c:42
 g_variant_unref (value=0x3cc28c0) at /build/buildd/glib2.0-2.28.4/./glib/gvariant-core.c:628
 g_hash_table_remove_all_nodes (hash_table=0x7f64c0f3f050, notify=1) at /build/buildd/glib2.0-2.28.4/./glib/ghash.c:492
 g_hash_table_unref (hash_table=0x7f64c0f3f050) at /build/buildd/glib2.0-2.28.4/./glib/ghash.c:854