compiz crashed with SIGSEGV in QuicklistView::ShowQuicklistWithTipAt()

[Stephen Rees-Carter]

Crashed after 5 minutes with a weird white box over half my screen.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.2.0-0ubuntu5
ProcVersionSignature: Ubuntu 3.2.0-16.25-generic 3.2.6
Uname: Linux 3.2.0-16-generic x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Fri Feb 17 14:46:01 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120209)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x7f9cf3589f39 <_ZN13QuicklistView22ShowQuicklistWithTipAtEii+9>: cmpb $0x0,0x48d(%rdi)
 PC (0x7f9cf3589f39) ok
 source "$0x0" ok
 destination "0x48d(%rdi)" (0x3ff000000000048d) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 QuicklistView::ShowQuicklistWithTipAt(int, int) () from /usr/lib/compiz/libunityshell.so
 QuicklistManager::ShowQuicklist(QuicklistView*, int, int, bool) () from /usr/lib/compiz/libunityshell.so
 ?? () from /usr/lib/compiz/libunityshell.so
 PluginAdapter::OnScreenUngrabbed() () from /usr/lib/compiz/libunityshell.so
 unity::UnityScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in QuicklistView::ShowQuicklistWithTipAt()
UpgradeStatus: Upgraded to precise on 2012-02-13 (3 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo www-data

[Apport retracing service (apport)]

StacktraceTop:
 QuicklistView::ShowQuicklistWithTipAt (this=0x3ff0000000000000, anchor_tip_x=67, anchor_tip_y=764) at /build/buildd/unity-5.2.0/plugins/unityshell/src/QuicklistView.cpp:314
 QuicklistManager::ShowQuicklist (this=<optimized out>, quicklist=0x3ff0000000000000, tip_x=67, tip_y=<optimized out>, hide_existing_if_open=<optimized out>) at /build/buildd/unity-5.2.0/plugins/unityshell/src/QuicklistManager.cpp:93
 operator() (this=0x6090a10) at /build/buildd/unity-5.2.0/plugins/unityshell/src/LauncherIcon.cpp:591
 operator() (this=0x6090a10) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
 sigc::internal::slot_call0<unity::launcher::LauncherIcon::OpenQuicklist(bool, int)::<lambda()>, void>::call_it(sigc::internal::slot_rep *) (rep=0x60909e0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[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.