compiz crashed with Shift Switcher or Application Switcher plugins

[Karol Bryd]

Compiz either crashes or hangs with other application switcher than Unity. It always crashes with Application Switcher or Shitf Switcher.

I am using latest precise, compiz version is 0.9.7.0. Unity version is 5.4.0

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
NonfreeKernelModules: nvidia
ApportVersion: 1.94-0ubuntu1
Architecture: amd64
Date: Sat Mar 3 16:05:35 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: compiz
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f21a1dae140 <_ZN5unity8launcher8Launcher8DndResetEv+64>: mov (%rbx),%rax
 PC (0x7f21a1dae140) ok
 source "(%rbx)" (0x00000021) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 unity::launcher::Launcher::DndReset() () from /usr/lib/compiz/libunityshell.so
 unity::launcher::Launcher::OnUpdateDragManagerTimeout(void*) () 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
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in unity::launcher::Launcher::DndReset()
UpgradeStatus: Upgraded to precise on 2012-03-03 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Karol Bryd (karolbe)]

One more thing. When compiz locks up the screen is scrambled, it contains some static together with fragments of some old images.

[Karol Bryd (karolbe)]

Example screenshot of the garbage on the screen.

[Karol Bryd (karolbe)]

https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/900913 this bug has very similar stacktrace...

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #936923, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.

[Karol Bryd (karolbe)]

Is this bug private?
https://bugs.launchpad.net/bugs/936923

I am unable to view it, I am getting an error: page not found.

[Omer Akram (om26er)]

try now.

[Launchpad Janitor (janitor)]

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