compiz crashed with SIGSEGV in nux::WindowThread::IsInsideLayoutCycle(). I was disabling Unity Plugin from Compiz

[Steve Mc Gregor]

Binary package hint: compiz

On a Ubuntu Classic Session i enabled Unity Plugin using Compizconfig. When I disabled it the crash occurs.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.44-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
CrashCounter: 1
Date: Sun Apr 17 00:40:03 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413.1)
ProcCmdline: /usr/bin/compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f37a641c640 <_ZNK3nux12WindowThread19IsInsideLayoutCycleEv>: movzbl 0x240(%rdi),%eax
 PC (0x7f37a641c640) ok
 source "0x240(%rdi)" (0x00000240) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 nux::WindowThread::IsInsideLayoutCycle() const () from /usr/lib/libnux-0.9.so.0
 nux::Area::InitiateResizeLayout(nux::Area*) () from /usr/lib/libnux-0.9.so.0
 PanelIndicatorObjectEntryView::Refresh() () from /usr/lib/compiz/libunityshell.so
 IndicatorObjectEntryProxyRemote::Refresh(char const*, char const*, bool, bool, unsigned int, char const*, bool, bool) () from /usr/lib/compiz/libunityshell.so
 IndicatorObjectProxyRemote::AddEntry(char const*, char const*, bool, bool, unsigned int, char const*, bool, bool) () from /usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in nux::WindowThread::IsInsideLayoutCycle()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare users
XsessionErrors: (nautilus:5480): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed

[jhfhlkjlj (fdsuufijjejejejej-deactivatedaccount)]

Thank you for reporting this bug to Ubuntu. 11.04 reached EOL.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases

Please upgrade to the latest version and re-test. If the bug is still reproducible, increase the verbosity of the steps to recreate it so we can try again.

Do feel free to report any other bugs you may find.

[Launchpad Janitor (janitor)]

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