[Digikam-devel] [Bug 138715] New: Crash when quickly switching to previous/next image [backtrace]

[Dik Takken]

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http://bugs.kde.org/show_bug.cgi?id=138715         
           Summary: Crash when quickly switching to previous/next image
                    [backtrace]
           Product: digikam
           Version: 0.9.0-rc2
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: Image Editor
        AssignedTo: digikam-devel kde org
        ReportedBy: d.h.j.takken phys uu nl


Version:           0.9.0-rc2 (using KDE KDE 3.5.5)
Installed from:    Gentoo Packages
OS:                Linux

When I quickly click on the 'Previous' and 'Next' toolbar buttons, I can reproducibly crash DigiKam. All it takes is pressing 'Next' and clicking 'Previous' while the next image is still loading. Repeat that three or four times and DigiKam dies.

I use Exiv 0.12.

Backtrace:

Using host libthread_db library "/lib/libthread_db.so.1".
`system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols.
[Thread debugging using libthread_db enabled]
[New Thread -1238518096 (LWP 9459)]
[New Thread -1247765600 (LWP 9678)]
[KCrash handler]
#6  0xb7dd1cbc in Digikam::SharedLoadingTask::setStatus (this=0x860f720, 
    status=Digikam::LoadingTask::LoadingTaskStatusStopping)
    at loadsavetask.cpp:315
#7  0xb7dd2caa in Digikam::ManagedLoadSaveThread::load (this=0x8299c68, 
    description= 0xbf8146b8, 
    loadingMode=Digikam::ManagedLoadSaveThread::LoadingModeShared, 
    policy=Digikam::ManagedLoadSaveThread::LoadingPolicyFirstRemovePrevious, 
    accessMode=Digikam::LoadSaveThread::AccessModeReadWrite)
    at managedloadsavethread.cpp:130
#8  0xb7dd2dde in Digikam::SharedLoadSaveThread::load (this=0x8299c68, 
    description= 0xbf81470c, 
    mode=Digikam::LoadSaveThread::AccessModeReadWrite, 
    policy=Digikam::ManagedLoadSaveThread::LoadingPolicyFirstRemovePrevious)
    at sharedloadsavethread.cpp:34
#9  0xb7e23060 in Digikam::DImgInterface::load (this=0x82275e8, 
    filename= 0xbf8147d0, iofileSettings=0x84cd5b8, parent=0x8193aa8)
    at dimginterface.cpp:189
#10 0xb7e230ec in Digikam::Canvas::load (this=0x82517c0, 
    filename= 0xbf8147d0, IOFileSettings=0x84cd5b8) at canvas.cpp:422
#11 0xb7e66f9d in Digikam::ImageWindow::slotLoadCurrent (this=0x84df2f0)
    at imagewindow.cpp:447
#12 0xb7e6bfb1 in Digikam::ImageWindow::slotForward (this=0x84df2f0)
    at imagewindow.cpp:487
#13 0xb7e73460 in Digikam::ImageWindow::qt_invoke (this=0x84df2f0, _id=107, 
    _o=0xbf8148e8) at imagewindow.moc:189
#14 0xb6b068a9 in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#15 0xb6b074fd in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#16 0xb734460e in KAction::activated (this=0x84ea360) at kaction.moc:176
#17 0xb7439112 in KAction::slotActivated (this=0xbf8148e8) at kaction.cpp:1102
#18 0xb7341c7d in KAction::slotButtonClicked (this=0x84ea360, state=139371360)
    at kaction.cpp:1147
#19 0xb743880f in KAction::qt_invoke (this=0x84ea360, _id=17, _o=0xbf814a10)
    at kaction.moc:220
#20 0xb6b068a9 in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#21 0xb73b6023 in KToolBarButton::buttonClicked (this=0x85a7100, t0=-19, 
    t1=LeftButton) at ktoolbarbutton.moc:154
#22 0xb73b60f3 in KToolBarButton::mouseReleaseEvent (this=0x85a7100, 
    e=0xbf814dec) at ktoolbarbutton.cpp:479
#23 0xb6b3eb8a in QWidget::event () from /usr/qt/3/lib/libqt-mt.so.3
#24 0xb73b84fe in KToolBarButton::event (this=0xbf814dec, e=0x85a7100)
    at ktoolbarbutton.cpp:651
#25 0xb6aa7f17 in QApplication::internalNotify ()
   from /usr/qt/3/lib/libqt-mt.so.3
#26 0xb6aa8c59 in QApplication::notify () from /usr/qt/3/lib/libqt-mt.so.3
#27 0xb7170a16 in KApplication::notify (this=0xbf815274, receiver=0x85a7100, 
    event=0xbf814dec) at kapplication.cpp:550
#28 0xb6a48fe2 in QETWidget::translateMouseEvent ()
   from /usr/qt/3/lib/libqt-mt.so.3
#29 0xb6a488af in QApplication::x11ProcessEvent ()
   from /usr/qt/3/lib/libqt-mt.so.3
#30 0xb6a5883a in QEventLoop::processEvents ()
   from /usr/qt/3/lib/libqt-mt.so.3
#31 0xb6abe5b0 in QEventLoop::enterLoop () from /usr/qt/3/lib/libqt-mt.so.3
#32 0xb6abe446 in QEventLoop::exec () from /usr/qt/3/lib/libqt-mt.so.3
#33 0xb6aa79af in QApplication::exec () from /usr/qt/3/lib/libqt-mt.so.3
#34 0x0804a274 in main (argc=1, argv=0xbf815484) at main.cpp:269