compiz crashed with SIGSEGV in nux::WindowThread::GetTimerHandler()

Bug #1061221 reported by Edward Donovan
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
nux (Ubuntu)
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Bug Description

You can crah Compiz, regularly if not every single time, by checking 'KDE Compatibility' in CCSM. If that's considered one of the dangerous edges of CCSM, then this may be invalid, but an immediate crash seems kinda harsh. If that feature isn't really supported, maybe it should be removed?

This crash is actually from un-selelcting KDE Compatibility. Activating it did not cause a crash, this time, but unchecking it did.

This was first reported as bug 1059218, but no coredump was available.

I'll see if I can reproduce the crash on selecting KDE Compat (though I don't know if it's a significant difference). Thanks.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: libnux-3.0-0 3.6.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-16.15-lowlatency 3.5.4
Uname: Linux 3.5.0-16-lowlatency x86_64
ApportVersion: 2.6.1-0ubuntu1
Architecture: amd64
Date: Wed Oct 3 16:25:33 2012
ExecutablePath: /usr/bin/compiz
ProcCmdline: compiz
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f561c7c9460 <_ZNK3nux12WindowThread15GetTimerHandlerEv>: mov 0x190(%rdi),%rax
 PC (0x7f561c7c9460) ok
 source "0x190(%rdi)" (0x00000190) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 nux::WindowThread::GetTimerHandler() const () from /usr/lib/libnux-3.0.so.0
 nux::NuxTimerTickSource::~NuxTimerTickSource() () from /usr/lib/compiz/libunityshell.so
 unity::UnityScreen::~UnityScreen() () from /usr/lib/compiz/libunityshell.so
 unity::UnityScreen::~UnityScreen() () from /usr/lib/compiz/libunityshell.so
 CompManager::finiPlugin(CompPlugin*) () from /usr/lib/libcompiz_core.so.ABI-20120927
Title: compiz crashed with SIGSEGV in nux::WindowThread::GetTimerHandler()
UpgradeStatus: Upgraded to quantal on 2012-06-14 (111 days ago)
UserGroups: nopasswdlogin

Revision history for this message
Edward Donovan (edward.donovan) wrote :
visibility: private → public
Revision history for this message
Edward Donovan (edward.donovan) wrote :

Ah, now I see more. Launchpad didn't offer me bug 1054074 as a dupe...maybe because the beginning of the title is different?

But that seems to be the same crash. Maybe the retracer will dupe it, if not, I probably will. Thanks.

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