compiz crashed with SIGSEGV in std::_Rb_tree_rebalance_for_erase()

[Joschi Poschi]

Ubuntu 14.04 LTS with latest updates, Intel GM45 graphics.

Sorry, but I didn't notice a crash of compiz so I can't give any further information.
I got the apport message after unlocking the display.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity 7.1.2+14.04.20140313-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
Uname: Linux 3.13.0-17-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Mar 15 18:06:26 2014
ExecutablePath: /usr/bin/compiz
InstallationDate: Installed on 2014-01-16 (58 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140109)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=de_DE
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f95ed407fb9 <_ZSt28_Rb_tree_rebalance_for_erasePSt18_Rb_tree_node_baseRS_+201>: cmpl $0x1,(%rdx)
 PC (0x7f95ed407fb9) ok
 source "$0x1" ok
 destination "(%rdx)" (0x0000002f) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
 std::_Rb_tree<std::string, std::pair<std::string const, std::shared_ptr<unity::IconLoader::Impl::IconLoaderTask> >, std::_Select1st<std::pair<std::string const, std::shared_ptr<unity::IconLoader::Impl::IconLoaderTask> > >, std::less<std::string>, std::allocator<std::pair<std::string const, std::shared_ptr<unity::IconLoader::Impl::IconLoaderTask> > > >::erase(std::string const&) () from /usr/lib/compiz/libunityshell.so
 unity::IconLoader::Impl::CoalesceTasksCb() () from /usr/lib/compiz/libunityshell.so
 unity::glib::Source::SourceCallback(void*) () from /usr/lib/libunity-core-6.0.so.9
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in std::_Rb_tree_rebalance_for_erase()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 std::_Rb_tree_rebalance_for_erase (__z=0x2549d40, __header=...) at ../../../../../src/libstdc++-v3/src/c++98/tree.cc:415
 std::_Rb_tree<std::string, std::pair<std::string const, std::shared_ptr<unity::IconLoader::Impl::IconLoaderTask> >, std::_Select1st<std::pair<std::string const, std::shared_ptr<unity::IconLoader::Impl::IconLoaderTask> > >, std::less<std::string>, std::allocator<std::pair<std::string const, std::shared_ptr<unity::IconLoader::Impl::IconLoaderTask> > > >::erase(std::string const&) () from /tmp/apport_sandbox_zADBu9/usr/lib/compiz/libunityshell.so
 unity::IconLoader::Impl::CoalesceTasksCb() () from /tmp/apport_sandbox_zADBu9/usr/lib/compiz/libunityshell.so
 unity::glib::Source::SourceCallback(void*) () from /tmp/apport_sandbox_zADBu9/usr/lib/libunity-core-6.0.so.9
 g_timeout_dispatch (source=0x25587f0, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.39.91/./glib/gmain.c:4472

[Will Cooke (willcooke)]

As part of the big bug clear up for 16.04 LTS I am marking this bug as Wont Fix. These types of crasher are better handled by errors.ubutnu.com which can collate similar crash reports to help us identify persitent bugs rather than one-off crashes. Sorry we are not able to help with this specific issue. If you are still experiencing this crash, please re-open the bug and add the tag “desktop-bugscrub-reopen”. See https://wiki.ubuntu.com/BigDesktopBugScrub for more information.