unity8 crashed with SIGSEGV in QTouchEvent::TouchPoint::pos()

[Jean-Baptiste Lallement]

No specific steps to reproduce.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: unity8 7.81.3+13.10.20130927.3-0ubuntu1
Uname: Linux 3.4.0-3-mako armv7l
ApportVersion: 2.12.5-0ubuntu1
Architecture: armhf
Date: Mon Sep 30 15:49:35 2013
ExecutablePath: /usr/bin/unity8
InstallationDate: Installed on 2013-09-29 (1 days ago)
InstallationMedia: Ubuntu Saucy Salamander (development branch) - armhf (20130929)
MarkForUpload: True
ProcCmdline: unity8
Signal: 11
SourcePackage: unity8
StacktraceTop:
 QTouchEvent::TouchPoint::pos() const () from /usr/lib/arm-linux-gnueabihf/libQt5Gui.so.5
 DirectionalDragArea::touchEvent_recognized(QTouchEvent*) () from /usr/lib/arm-linux-gnueabihf/unity8/qml/Ubuntu/Gestures/libUbuntuGestureQml.so
 QQuickWindowPrivate::deliverMatchingPointsToItem(QQuickItem*, QTouchEvent*, QSet<int>*, QSet<int> const&, QList<QTouchEvent::TouchPoint> const&) () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
 QQuickWindowPrivate::deliverTouchPoints(QQuickItem*, QTouchEvent*, QList<QTouchEvent::TouchPoint> const&, QSet<int>*, QHash<QQuickItem*, QList<QTouchEvent::TouchPoint> >*) () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
 QQuickWindowPrivate::deliverTouchPoints(QQuickItem*, QTouchEvent*, QList<QTouchEvent::TouchPoint> const&, QSet<int>*, QHash<QQuickItem*, QList<QTouchEvent::TouchPoint> >*) () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
Title: unity8 crashed with SIGSEGV in QTouchEvent::TouchPoint::pos()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm autopilot cdrom dialout dip nopasswdlogin plugdev sudo tty video

[Apport retracing service (apport)]

StacktraceTop:
 QTouchEvent::TouchPoint::pos() const () at kernel/qevent.cpp:3744
 DirectionalDragArea::touchEvent_recognized(QTouchEvent*) () at /build/buildd/unity8-7.81.3+13.10.20130927.3/plugins/Ubuntu/Gestures/DirectionalDragArea.cpp:278
 QQuickWindowPrivate::deliverMatchingPointsToItem(QQuickItem*, QTouchEvent*, QSet<int>*, QSet<int> const&, QList<QTouchEvent::TouchPoint> const&) () at items/qquickwindow.cpp:1660
 QQuickWindowPrivate::deliverTouchPoints(QQuickItem*, QTouchEvent*, QList<QTouchEvent::TouchPoint> const&, QSet<int>*, QHash<QQuickItem*, QList<QTouchEvent::TouchPoint> >*) () at items/qquickwindow.cpp:1627
 QQuickWindowPrivate::deliverTouchPoints(QQuickItem*, QTouchEvent*, QList<QTouchEvent::TouchPoint> const&, QSet<int>*, QHash<QQuickItem*, QList<QTouchEvent::TouchPoint> >*) () at items/qquickwindow.cpp:1582

[Jean-Baptiste Lallement (jibel)]

Setting importance to high because it affects the shell

[Jean-Baptiste Lallement (jibel)]

reproduced again today, while unlocking the screen => confirmed

[Jean-Baptiste Lallement (jibel)]

Closing, it never happened with recent images.