compiz crashed with SIGSEGV in CompWindow::outputRect() from DecorWindow::computeShadowRegion() [decor.cpp:94]

Reported by Jeroen Roovers on 2012-03-06
16
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Compiz
High
Unassigned
Compiz Core
High
Unassigned
compiz (Ubuntu)
High
Unassigned

Bug Description

changed some unity plugin settings, but probably more significant, enabled the application switcher plugin and had it take over Alt-Tab. This is required to give the unity UI any kind of sane window switching

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.4.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
Uname: Linux 3.2.0-18-generic i686
ApportVersion: 1.94-0ubuntu2
Architecture: i386
CrashCounter: 1
Date: Tue Mar 6 18:38:47 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x17a7de <_ZNK10CompWindow10outputRectEv+30>: mov 0x80(%esi),%eax
 PC (0x0017a7de) ok
 source "0x80(%esi)" (0x0000007f) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 CompWindow::outputRect() const () from /usr/lib/libcompiz_core.so.ABI-20120216
 DecorWindow::computeShadowRegion() () from /usr/lib/compiz/libdecor.so
 DecorWindow::windowNotify(CompWindowNotify) () from /usr/lib/compiz/libdecor.so
 CompWindow::windowNotify(CompWindowNotify) () from /usr/lib/libcompiz_core.so.ABI-20120216
 PrivateAnimWindow::windowNotify(CompWindowNotify) () from /usr/lib/compiz/libanimation.so
Title: compiz crashed with SIGSEGV in CompWindow::outputRect()
UpgradeStatus: Upgraded to precise on 2011-12-04 (92 days ago)
UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare

Jeroen Roovers (jer-gentoo) wrote :

StacktraceTop:
 CompWindow::outputRect (this=0xffffffff) at /build/buildd/compiz-0.9.7.0~bzr2995/src/windowgeometry.cpp:176
 DecorWindow::computeShadowRegion (this=0x9a4bc80) at /build/buildd/compiz-0.9.7.0~bzr2995/plugins/decor/src/decor.cpp:94
 DecorWindow::windowNotify (this=0x9cc5e50, n=CompWindowNotifyMap) at /build/buildd/compiz-0.9.7.0~bzr2995/plugins/decor/src/decor.cpp:2221
 CompWindow::windowNotify (this=0x929a4c0, n=CompWindowNotifyMap) at /build/buildd/compiz-0.9.7.0~bzr2995/src/window.cpp:2648
 PrivateAnimWindow::windowNotify (this=0xa30eeb0, n=CompWindowNotifyMap) at /build/buildd/compiz-plugins-main-0.9.7.0~bzr19/animation/src/animation.cpp:2843

Changed in unity (Ubuntu):
importance: Undecided → Medium
tags: removed: need-i386-retrace
visibility: private → public
affects: unity (Ubuntu) → compiz (Ubuntu)
affects: compiz (Ubuntu) → compiz-plugins-main (Ubuntu)
affects: compiz-plugins-main (Ubuntu) → compiz (Ubuntu)

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

Changed in compiz (Ubuntu):
status: New → Confirmed
summary: - compiz crashed with SIGSEGV in CompWindow::outputRect()
+ compiz crashed with SIGSEGV in CompWindow::outputRect() from
+ DecorWindow::computeShadowRegion() [decor.cpp:94]
Changed in compiz-core:
status: New → Confirmed
importance: Undecided → High
Changed in compiz (Ubuntu):
importance: Medium → High
Changed in compiz:
importance: Undecided → High
status: New → Confirmed
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