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

[C de-Avillez]

Just got it. There are two other (sort of) recent bugs matching a crash on the same function:

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#726101 unity-window-decorator crashed with SIGSEGV in event_filter_func()
Triaged (9 comments) last updated 2 hours ago

#748317 unity-window-decorator crashed with SIGSEGV in event_filter_func()
Fix Released (7 comments) last updated 2011-05-10

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: compiz-gnome 1:0.9.5.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-7.8-generic 3.0.0
Uname: Linux 3.0.0-7-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 280.11 Thu Jul 21 13:54:36 PDT 2011
 GCC version: gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-5ubuntu1)
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,compiztoolbox,place,grid,resize,imgjpeg,vpswitch,imgsvg,gnomecompat,text,move,imgpng,regex,mousepoll,session,animation,workarounds,wall,wobbly,ezoom,staticswitcher,fade,ring,scale,unityshell,expo]
CompositorRunning: compiz
Date: Sun Jul 24 22:39:09 2011
DistUpgraded: Log time: 2011-05-31 11:47:25.632901
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 3.0.0-5-generic, x86_64: installed
 nvidia-current, 280.11, 3.0.0-7-generic, x86_64: installed
 virtualbox, 4.0.10, 3.0.0-5-generic, x86_64: installed
ExecutablePath: /usr/bin/unity-window-decorator
GraphicsCard:
 nVidia Corporation GT218 [NVS 3100M] [10de:0a6c] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:040a]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110228)
JockeyStatus:
 kmod:wl - Broadcom STA wireless driver (Proprietary, Disabled, Not in use) [auto-install]
 xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, Not in use)
MachineType: Dell Inc. Latitude E6410
ProcCmdline: /usr/bin/unity-window-decorator
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-7-generic root=/dev/mapper/hostname-root ro single nomodeset
SegvAnalysis:
 Segfault happened at: 0x412bbc <event_filter_func+620>: mov 0x1a0(%rax),%rsi
 PC (0x00412bbc) ok
 source "0x1a0(%rax)" (0x000001a0) not located in a known VMA region (needed readable region)!
 destination "%rsi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 event_filter_func (gdkxevent=0x7fff11dabe70, event=<value optimized out>, data=<value optimized out>) at /build/buildd/compiz-0.9.5.0/unity/unity_window_decorator/src/events.c:1039
 gdk_event_apply_filters (display=0x1b05020, event=0x1bf0810, xevent=0x7fff11dabe70, return_exposes=0) at /build/buildd/gtk+2.0-2.24.5/gdk/x11/gdkevents-x11.c:356
 gdk_event_translate (display=0x1b05020, event=0x1bf0810, xevent=0x7fff11dabe70, return_exposes=0) at /build/buildd/gtk+2.0-2.24.5/gdk/x11/gdkevents-x11.c:927
 _gdk_events_queue (display=0x1b05020) at /build/buildd/gtk+2.0-2.24.5/gdk/x11/gdkevents-x11.c:2310
 gdk_event_dispatch (source=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at /build/buildd/gtk+2.0-2.24.5/gdk/x11/gdkevents-x11.c:2371
Title: unity-window-decorator crashed with SIGSEGV in event_filter_func()
UpgradeStatus: Upgraded to oneiric on 2011-07-12 (12 days ago)
UserGroups: adm admin audio cdrom dialout fuse libvirtd lpadmin netdev plugdev sambashare vboxusers
dmi.bios.date: 11/20/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.name: 0K42JR
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA06:bd11/20/2010:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0K42JR:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6410
dmi.product.version: 0001
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.5.0-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu13
version.libdrm2: libdrm2 2.4.26+git20110604.6dd804c5-0ubuntu0sarvatt
version.libgl1-mesa-dri: libgl1-mesa-dri 7.12.0~git20110711.d60880db-0ubuntu0sarvatt
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.12.0~git20110711.d60880db-0ubuntu0sarvatt
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.0+git20110714.212fa986-0ubuntu0sarvatt
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110623.ab89aa02-0ubuntu0sarvatt

[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.