Sorry if this is a duplicate. This happened while testing Precise Beta 1 and other bugs with same summary seem to be older.
It happened when i disconnected external DP monitor from my laptop (it didnt work at all).
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.4.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
ApportVersion: 1.93-0ubuntu2
Architecture: amd64
CasperVersion: 1.305
Date: Thu Mar 29 14:57:31 2012
ExecutablePath: /usr/bin/compiz
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
ProcCmdline: compiz
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x7fcceff80433 <_ZNSt8__detail15_List_node_base7_M_hookEPS0_+19>: mov %rdi,(%rax)
PC (0x7fcceff80433) ok
source "%rdi" ok
destination "(%rax)" (0x00000020) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
unity::ui::PointerBarrierWrapper::EmitCurrentData() () from /usr/lib/compiz/libunityshell.so
?? () from /usr/lib/compiz/libunityshell.so
?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in std::__detail::_List_node_base::_M_hook()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
