compiz crashed with SIGSEGV in PrivateWindow::updateStartupId()

[Diane Gagnon]

Binary package hint: unity

crash without reasons I can see, just stop.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.8.6-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
CrashCounter: 1
Date: Tue Apr 12 21:59:58 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=fr_CA:en
 LANG=fr_CA.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x10e5cbb: cmp %cl,(%edx)
 PC (0x010e5cbb) ok
 source "%cl" ok
 destination "(%edx)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? () from /lib/i386-linux-gnu/libc.so.6
 PrivateWindow::updateStartupId() ()
 CompScreen::handleEvent(_XEvent*) ()
 PrivateCompositeScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libcomposite.so
 CompScreen::handleEvent(_XEvent*) ()
Title: compiz crashed with SIGSEGV in PrivateWindow::updateStartupId()
UpgradeStatus: Upgraded to natty on 2011-04-11 (1 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 __strcmp_ssse3 () at ../sysdeps/i386/i686/multiarch/strcmp-ssse3.S:75
 PrivateWindow::updateStartupId (this=0xa9e403a8) at /build/buildd/compiz-0.9.4+bzr20110411/src/window.cpp:5057
 CompScreen::handleEvent (this=0xa0884b8, event=0xbf9c397c) at /build/buildd/compiz-0.9.4+bzr20110411/src/event.cpp:1382
 PrivateCompositeScreen::handleEvent (this=0xa0deb78, event=0xbf9c397c) at /build/buildd/compiz-0.9.4+bzr20110411/plugins/composite/src/screen.cpp:102
 CompScreen::handleEvent (this=0xa0884b8, event=0xbf9c397c) at /build/buildd/compiz-0.9.4+bzr20110411/src/event.cpp:986

[Ingo Gerth (igerth)]

For me this bug occurs every time I open Amarok. Consequently, Amarok is unusable.

[Sebastien Bacher (seb128)]

https://code.launchpad.net/~unity-team/compiz/trunk.fix_759363/+merge/57890 fixes it

[Launchpad Janitor (janitor)]

This bug was fixed in the package compiz - 1:0.9.4+bzr20110415-0ubuntu2

---------------
compiz (1:0.9.4+bzr20110415-0ubuntu2) natty; urgency=low

  * debian/patches/00_bzr_fix_apps_without_startupid.patch:
    - from upstream trunk, fix crash on applications removing _NET_STARTUP_ID
      (LP: #759363)
 -- Didier Roche <email address hidden> Tue, 19 Apr 2011 11:40:43 +0200