compiz crashed with SIGSEGV in sigc::signal_base::impl()

[Lance Stuetzle]

Binary package hint: unity

Using Compiz settings then crash

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.6.0-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
CrashCounter: 1
Date: Mon Mar 7 17:54:42 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f950905e2f6 <_ZNK4sigc11signal_base4implEv+22>: mov 0x8(%rdi),%rbx
 PC (0x7f950905e2f6) ok
 source "0x8(%rdi)" (0x000000e8) not located in a known VMA region (needed readable region)!
 destination "%rbx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 sigc::signal_base::impl() const () from /usr/lib/libsigc-2.0.so.0
 sigc::signal_base::connect(sigc::slot_base const&) () from /usr/lib/libsigc-2.0.so.0
 UnityScreen::UnityScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so
 CompPlugin::VTableForScreenAndWindow<UnityScreen, UnityWindow>::initScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so
 CompManager::initPlugin(CompPlugin*) ()
Title: compiz crashed with SIGSEGV in sigc::signal_base::impl()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 sigc::signal_base::impl (this=0xe0) at ../../sigc++/signal_base.cc:145
 sigc::signal_base::connect (this=<value optimized out>, slot_=...) at ../../sigc++/signal_base.cc:122
 QuicklistView::RecvItemMouseDrag (this=0x70d7780, item=0x32cb900, x=0, y=53262560) at /build/buildd/unity-3.6.2/src/QuicklistView.cpp:696
 malloc_atfork (sz=140278064247232, caller=<value optimized out>) at arena.c:218
 ~PrivateValue (this=0x25, val=...) at /build/buildd/compiz-0.9.4/src/privateoption.h:66

[Alex Launi (alexlauni)]

Did enable or disable any plugins? What exactly were you doing in ccsm?

[Lance Stuetzle (lancestu-gmail)]

I went into Scaling in order to initiate window picker.
Just now I disabled it with no problem.

On Tue, 2011-03-08 at 20:30 +0000, Alex Launi wrote:
> Did enable or disable any plugins? What exactly were you doing in ccsm?
>
> ** Changed in: unity
> Status: New => Incomplete
>
> ** Changed in: unity (Ubuntu)
> Status: New => Incomplete
>