This seemed to happen when I was using Alt-Tab.
ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.20.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu2
Architecture: i386
CrashCounter: 1
Date: Mon Oct 3 19:01:19 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110202)
ProcCmdline: compiz
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0xa6dcc6: movdqu (%edi),%xmm1
PC (0x00a6dcc6) ok
source "(%edi)" (0x00000000) not located in a known VMA region (needed readable region)!
destination "%xmm1" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
?? () from /lib/i386-linux-gnu/libc.so.6
BamfLauncherIcon::NameForWindow(unsigned long) () from /usr/lib/compiz/libunityshell.so
unity::switcher::SwitcherView::OnDetailSelectionChanged(bool) () from /usr/lib/compiz/libunityshell.so
sigc::internal::slot_call1<sigc::bound_mem_functor1<void, unity::switcher::SwitcherView, bool>, void, bool const&>::call_it(sigc::internal::slot_rep*, bool const&) () from /usr/lib/compiz/libunityshell.so
nux::Property<bool>::operator=(bool const&) () from /usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in BamfLauncherIcon::NameForWindow()
UpgradeStatus: Upgraded to oneiric on 2011-07-13 (82 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
StacktraceTop: i386/i686/ multiarch/ strlen- sse2-bsf. S:52 c++/4.6/ bits/char_ traits. h:261 c++/4.6/ bits/basic_ string. h:1121 c++/4.6/ bits/basic_ string. h:550 on::NameForWind ow (this=0xa3058d0, window=60817786) at /build/ buildd/ unity-4. 20.0/plugins/ unityshell/ src/BamfLaunche rIcon.cpp: 284
__strlen_sse2_bsf () at ../sysdeps/
length (__s=0x0) at /usr/include/
assign (__s=0x0, this=0xbf880e6c) at /usr/include/
operator= (__s=0x0, this=0xbf880e6c) at /usr/include/
BamfLauncherIc