Ubuntu
unity-2d package

unity-2d-launcher crashed with SIGSEGV in QDeclarativeObjectScriptClass::newQObject()

Bug #855463 reported by Jeremy Price
216
This bug affects 25 people
Affects Status Importance Assigned to Milestone
unity-2d
Fix Released
Critical
abdou sbai
unity-2d (Ubuntu)
Fix Released
Critical
abdou sbai

Bug Description

Crash occured during update to boinc-client. Boinc-client is now broken.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-2d-launcher 4.8.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Wed Sep 21 04:45:10 2011
ExecutablePath: /usr/bin/unity-2d-launcher
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413)
ProcCmdline: unity-2d-launcher
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fd35becbfca <QDeclarativeObjectScriptClass::newQObject(QObject*, int)+74>: testb $0x8,0x20(%r15)
 PC (0x7fd35becbfca) ok
 source "$0x8" ok
 destination "0x20(%r15)" (0x00000020) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity-2d
StacktraceTop:
 QDeclarativeObjectScriptClass::newQObject (this=<optimized out>, object=0x7fd3400bc3c0, type=136) at qml/qdeclarativeobjectscriptclass.cpp:110
 QDeclarativeEnginePrivate::scriptValueFromVariant (this=0x1acaad0, val=...) at qml/qdeclarativeengine.cpp:2082
 QDeclarativeObjectScriptClass::property (this=<optimized out>, obj=0x7fd340045b90, name=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:312
 QDeclarativeContextScriptClass::property (this=0x1b0a5b0, object=<optimized out>, name=<optimized out>) at qml/qdeclarativecontextscriptclass.cpp:289
 ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
Title: unity-2d-launcher crashed with SIGSEGV in QDeclarativeObjectScriptClass::newQObject()
UpgradeStatus: Upgraded to oneiric on 2011-09-04 (17 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (firefox:12548): Gtk-WARNING **: Unable to retrieve the file info for `file:///home/jer/Downloads/boinc_6.12.34_x86_64-pc-linux-gnu.sh': Error stating file '/home/jer/Downloads/boinc_6.12.34_x86_64-pc-linux-gnu.sh': No such file or directory
 (gedit:12729): GtkSourceView-CRITICAL **: gtk_source_gutter_renderer_get_view: assertion `GTK_SOURCE_IS_GUTTER_RENDERER (renderer)' failed
 (gedit:12729): Gtk-CRITICAL **: gtk_text_view_get_buffer: assertion `GTK_IS_TEXT_VIEW (text_view)' failed
 (gedit:12729): Gtk-CRITICAL **: gtk_text_buffer_get_line_count: assertion `GTK_IS_TEXT_BUFFER (buffer)' failed

Revision history for this message
Jeremy Price (jtull69) wrote :
Revision history for this message
Apport retracing service (apport) wrote :

StacktraceTop:
 QDeclarativeObjectScriptClass::newQObject (this=<optimized out>, object=0x7fd3400bc3c0, type=136) at qml/qdeclarativeobjectscriptclass.cpp:110
 QDeclarativeEnginePrivate::scriptValueFromVariant (this=0x1acaad0, val=...) at qml/qdeclarativeengine.cpp:2082
 QDeclarativeObjectScriptClass::property (this=<optimized out>, obj=0x7fd340045b90, name=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:312
 QDeclarativeContextScriptClass::property (this=0x1b0a5b0, object=<optimized out>, name=<optimized out>) at qml/qdeclarativecontextscriptclass.cpp:289
 QScript::DeclarativeObjectDelegate::getOwnPropertySlot (this=0x2851e70, object=0x7fd34a577480, exec=0x7fd34a5a6048, propertyName=..., slot=...) at bridge/qscriptdeclarativeobject.cpp:76

Revision history for this message
Apport retracing service (apport) wrote : Stacktrace.txt
Revision history for this message
Apport retracing service (apport) wrote : ThreadStacktrace.txt
Changed in unity-2d (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace
Jean-Baptiste Lallement (jibel)
visibility: private → public
Florian Boucault (fboucault)
Changed in unity-2d:
importance: Undecided → Critical
Revision history for this message
Launchpad Janitor (janitor) wrote :

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

Changed in unity-2d (Ubuntu):
status: New → Confirmed
Didier Roche-Tolomelli (didrocks)
Changed in unity-2d:
status: New → Confirmed
Changed in unity-2d (Ubuntu):
importance: Medium → Critical
Apport retracing service (apport)
tags: added: bugpattern-needed
Revision history for this message
Timo Jyrinki (timo-jyrinki) wrote :

So just to clarify, happened also with 5.2.0 (bug #916454).

Revision history for this message
Gerry Boland (gerboland) wrote :

Hi Timo,
thanks for the clarification. I'm not managing to reproduce from your original steps:

> I ... just played with Super+1/2 and closing windows. The crash seemingly happened
> when I had just closed all the windows and tried to open both Nautilus and Firefox
> again by pressing Super + 1 and Super + 2.

Can I ask if you can reproduce this reliably? Is there anything particular about your
Ubuntu install? Any other information you can supply would help us a lot.
-G

Revision history for this message
Jhosman Lizarazo (jhosman) wrote :

My bug #931402 has not duplicated the version of UBuntu is 12.04 and the version for this bug is 11.10

Brian Murray (brian-murray)
tags: added: precise
abdou sbai (abdou-sbai95)
Changed in unity-2d:
assignee: nobody → abdou sbai (abdou-sbai95)
Changed in unity-2d (Ubuntu):
assignee: nobody → abdou sbai (abdou-sbai95)
status: Confirmed → Fix Released
Changed in unity-2d:
status: Confirmed → Fix Released
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