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List:       kdevelop-bugs
Subject:    [Bug 208957] New: Crash when moving cursor over tabbar with wacom
From:       Scatterlogical <scatterlogical () gmail ! com>
Date:       2009-09-30 7:25:23
Message-ID: bug-208957-40295 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=208957

           Summary: Crash when moving cursor over tabbar with wacom tablet
           Product: kdevelop
           Version: unspecified
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdevelop-bugs@kdevelop.org
        ReportedBy: scatterlogical@gmail.com


Application that crashed: kdevelop
Version of the application: 3.9.95 (using KDevPlatform 0.9.95)
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-gentoo-r4 x86_64

What I was doing when the application crashed:
This is not specific to KDevelop, probably forward to kdelibs devs. just one of
the applications that this has affected. Also tested and verified in dolphin.
Only occurs when moving cursor with my pen (wacom tablet pc); touchpad or mouse
movement is fine. The backtrace is kinda short, but fortunately it's very easy
to reproduce so I've done an ltrace which i'm currently sorting through, first
impression it looks like it's (mis)handling the extra tablet events. Will post
more, or let me know if you want the ltrace (it's a couple of mb or so).

 -- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
[KCrash Handler]
#5  0x00007fc06d70c480 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#6  0x00007fc06d716672 in QTabBar::mouseMoveEvent(QMouseEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#7  0x00007fc06ea69bd6 in KTabBar::mouseMoveEvent(QMouseEvent*) () from
/usr/lib/libkdeui.so.5
#8  0x00007fc06d3a7856 in QWidget::event(QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#9  0x00007fc06d713fd3 in QTabBar::event(QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#10 0x00007fc06d35837c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtGui.so.4
#11 0x00007fc06d35de52 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#12 0x00007fc06e9782d6 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#13 0x00007fc06e22424e in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtCore.so.4
#14 0x00007fc06d35f973 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from
/usr/lib64/qt4/libQtGui.so.4
#15 0x00007fc06d3bbde0 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#16 0x00007fc06d3bac20 in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#17 0x00007fc06d3df5c6 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#18 0x00007fc06e222b70 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#19 0x00007fc06e222d35 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#20 0x00007fc06e224c2b in QCoreApplication::exec() () from
/usr/lib64/qt4/libQtCore.so.4
#21 0x0000000000407ed1 in main (argc=<value optimized out>, argv=<value
optimized out>) at /usr/src/kdevelop/app/main.cpp:181

Reported using DrKonqi

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