unity-window-decorator crashed with SIGSEGV in event_filter_func()

[Daniel Lundqvist]

Binary package hint: compiz

I have a Swing based Java application I use occasionally, and sometimes when interacting with that compiz crashes.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-gnome 1:0.9.4-0ubuntu7
ProcVersionSignature: Ubuntu 2.6.38-7.36-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,compiztoolbox,resize,vpswitch,place,mousepoll,switcher,scale,session,gnomecompat,regex,move,workarounds,wall]
CompositorRunning: compiz
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1680x1050 1280x1024 1280x1024 1152x864 1024x768 1024x768 800x600 800x600 640x480 640x480 720x400
 edid-base64: AP///////wAQrBTQTUdOMB8SAQNoLx547o8wo1VJmCcUUFSlSwBxT4GAAQEBAQEBAQEBAQEBITmQMGIaJ0BosDYA2SgRAAAcAAAA/wBYNzY1Rzg3VDBOR00KAAAA/QA4Sx5TDwAKICAgICAgAAAA/ABERUxMIEUyMjhXRlAKAFk=
Date: Mon Mar 21 12:08:38 2011
DistUpgraded: Log time: 2011-01-18 15:47:36.672788
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/unity-window-decorator
GraphicsCard:
 Intel Corporation 82Q35 Express Integrated Graphics Controller [8086:29b2] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Dell OptiPlex 755 [1028:0211]
   Subsystem: Dell OptiPlex 755 [1028:0211]
MachineType: Dell Inc. OptiPlex 755
ProcCmdline: /usr/bin/unity-window-decorator
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: root=UUID=3e0f96e1-1a8c-4334-b0ee-32f1c6f08ea1 ro quiet splash
ProcVersionSignature_: Ubuntu 2.6.38-7.36-generic 2.6.38
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x80584e9 <event_filter_func+649>: mov 0x224(%edx),%eax
 PC (0x080584e9) ok
 source "0x224(%edx)" (0x00000224) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 event_filter_func ()
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 g_main_context_dispatch () from /lib/libglib-2.0.so.0
Title: unity-window-decorator crashed with SIGSEGV in event_filter_func()
UpgradeStatus: Upgraded to natty on 2011-02-11 (38 days ago)
UserGroups: adm admin audio cdrom dialout dip disk floppy fuse lpadmin plugdev sambashare video
XsessionErrors:
 (nautilus:2162): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nautilus:2162): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
 (nautilus:2162): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
 (nautilus:2162): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
 (nautilus:2162): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
dmi.bios.date: 08/04/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 0Y255C
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA11:bd08/04/2008:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0Y255C:rvr:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 755
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.4-0ubuntu7
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)]

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 #726101, 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.

[Daniel Lundqvist (dlundqvist)]

I do not believe this is a duplicate since it happened on version 1:0.9.4-0ubuntu7, while the other bugs says it was fixed in 1:0.9.4-0ubuntu2.