You have been subscribed to a public bug:
I might have been switching tabs in lyx...which is probably unrelated.
Update: after more occurrences of this, it seems this is triggered by
alt-tab.
ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.28.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-15.25-generic 3.0.13
Uname: Linux 3.0.0-15-generic i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Sun Jan 15 19:35:33 2012
Disassembly: => 0x0: Cannot access memory at address 0x0
ExecutablePath: /usr/bin/compiz
ProcCmdline: compiz
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x0: Cannot access memory at address 0x0
PC (0x00000000) not located in a known VMA region (needed executable region)!
SegvReason: executing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
?? ()
unity::switcher::SwitcherController::CompareSwitcherItemsPriority(AbstractLauncherIcon*,
AbstractLauncherIcon*) () from /usr/lib/compiz/libunityshell.so
void
std::__insertion_sort<__gnu_cxx::__normal_iterator<AbstractLauncherIcon**,
std::vector<AbstractLauncherIcon*, std::allocator<AbstractLauncherIcon*> > >,
bool (*)(AbstractLauncherIcon*,
AbstractLauncherIcon*)>(__gnu_cxx::__normal_iterator<AbstractLauncherIcon**,
std::vector<AbstractLauncherIcon*, std::allocator<AbstractLauncherIcon*> > >,
__gnu_cxx::__normal_iterator<AbstractLauncherIcon**,
std::vector<AbstractLauncherIcon*, std::allocator<AbstractLauncherIcon*> > >,
bool (*)(AbstractLauncherIcon*, AbstractLauncherIcon*)) () from
/usr/lib/compiz/libunityshell.so
unity::switcher::SwitcherController::Show(unity::switcher::SwitcherController::ShowMode,
unity::switcher::SwitcherController::SortMode, bool,
std::vector<AbstractLauncherIcon*, std::allocator<AbstractLauncherIcon*> >) ()
from /usr/lib/compiz/libunityshell.so
UnityScreen::altTabInitiateCommon(CompAction*, unsigned int,
std::vector<CompOption, std::allocator<CompOption> >&) () from
/usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in
unity::switcher::SwitcherController::CompareSwitcherItemsPriority()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
** Affects: unity
Importance: Critical
Status: Fix Released
** Affects: unity-distro-priority
Importance: Critical
Status: Fix Released
** Affects: unity (Ubuntu)
Importance: Critical
Status: Fix Released
** Affects: unity (Ubuntu Oneiric)
Importance: Critical
Status: Confirmed
** Tags: apport-crash distro-priority i386 oneiric running-unity
--
compiz crashed with SIGSEGV in
unity::switcher::SwitcherController::CompareSwitcherItemsPriority()
https://bugs.launchpad.net/bugs/916879
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