compiz crashed with SIGSEGV in nux::Memcpy()

[Jonathan Hall]

Unit crashes on live cd. Ctrl+ALT+F2, unity. then CTRL+ALT+F8 and unity starts without prblems

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.30-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
Architecture: i386
Date: Thu Mar 10 21:04:12 2011
ExecutablePath: /usr/bin/compiz
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x2f95f6: rep movsl %ds:(%esi),%es:(%edi)
 PC (0x002f95f6) ok
 source "%ds:(%esi)" (0x0000007b) not located in a known VMA region (needed readable region)!
 destination "%es:(%edi)" (0xaa879083) ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 ?? () from /lib/libc.so.6
 ?? ()
 nux::Memcpy(void*, void const*, unsigned int) () from /usr/lib/libnux-core-0.9.so.0
 nux::CairoGraphics::GetBitmap() () from /usr/lib/libnux-image-0.9.so.0
 PanelMenuView::Refresh() () from /usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in nux::Memcpy()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (nautilus:4599): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed

[Apport retracing service (apport)]

StacktraceTop:
 two_way_short_needle (haystack_start=0xaa879008, haystack_len=1, needle_start=0x95887f28, needle_len=24) at str-two-way.h:273
 memmem (haystack_start=0xaa879008, haystack_len=1, needle_start=0x95887f28, needle_len=24) at memmem.c:72
 nux::CairoGraphics::GetBitmap (this=0xbfa88608) at ./CairoGraphics.cpp:153
 PanelIndicatorObjectView::AddProperties (this=0x8d1df00, builder=0x87) at /build/buildd/unity-3.6.4/src/PanelIndicatorObjectView.cpp:152
 slot_rep (this=0x8d1df00, proxy=0x3) at /usr/include/sigc++-2.0/sigc++/functors/slot_base.h:84