[Digikam-devel] [digikam] [Bug 340613] New: Hanging indefinitely when clicking in the name field of a face

[Christian Gottschall]

https://bugs.kde.org/show_bug.cgi?id=340613

            Bug ID: 340613
           Summary: Hanging indefinitely when clicking in the name field
                    of a face
           Product: digikam
           Version: 4.4.0
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: Albums GUI
          Assignee: digikam-devel at kde.org
          Reporter: christian.gottschall at univie.ac.at

In the "Faces" view, there is the "Unknown" ("Unbekannt" in German) "face".
When, after selecting this pseudo-face, I click in the name field of one of the
unknown faces (in order to assign a name to it), Digikam instantly hangs.
Occasionally I am able to enter the first letter of the name, but the outcome
is the same - digikam hanging indefinitely.

Digikam version is 4.4.0, KDE is 4.11.5.

At the hanging stage, the gdb stack trace shown is the following (not looking
entirely helpful):

^C
Program received signal SIGINT, Interrupt.
0x00007ffff151f0aa in ?? () from /usr/lib64/libQtCore.so.4
(gdb) bt
#0  0x00007ffff151f0aa in ?? () from /usr/lib64/libQtCore.so.4
#1  0x00007ffff150f877 in ?? () from /usr/lib64/libQtCore.so.4
#2  0x00007ffff1514122 in ?? () from /usr/lib64/libQtCore.so.4
#3  0x00007ffff1522216 in ?? () from /usr/lib64/libQtCore.so.4
#4  0x00007ffff152262a in ?? () from /usr/lib64/libQtCore.so.4
#5  0x00007ffff15271f3 in ?? () from /usr/lib64/libQtCore.so.4
#6  0x00007ffff220b718 in QTextEngine::shapeTextWithHarfbuzz(int) const ()
   from /usr/lib64/libQtGui.so.4
#7  0x00007ffff220c0a2 in QTextEngine::shapeText(int) const ()
   from /usr/lib64/libQtGui.so.4
#8  0x00007ffff220c3c5 in QTextEngine::shape(int) const ()
   from /usr/lib64/libQtGui.so.4
#9  0x00007ffff22101ff in QTextEngine::width(int, int) const ()
   from /usr/lib64/libQtGui.so.4
#10 0x00007ffff21e8910 in QFontMetrics::width(QString const&, int, int) const
()
   from /usr/lib64/libQtGui.so.4
#11 0x00007ffff2d84471 in KLineEdit::setSqueezedText() ()
   from /usr/lib64/libkdeui.so.5
#12 0x00007ffff2d87773 in KLineEdit::resizeEvent(QResizeEvent*) ()
   from /usr/lib64/libkdeui.so.5
#13 0x00007ffff2013bb2 in QWidget::event(QEvent*) ()
   from /usr/lib64/libQtGui.so.4
#14 0x00007ffff23c0f91 in QLineEdit::event(QEvent*) ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib64/libQtGui.so.4
#15 0x00007ffff2d89f10 in KLineEdit::event(QEvent*) ()
   from /usr/lib64/libkdeui.so.5
#16 0x00007ffff1fc48ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
    () from /usr/lib64/libQtGui.so.4
#17 0x00007ffff1fcae70 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib64/libQtGui.so.4
#18 0x00007ffff2cdb18a in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib64/libkdeui.so.5
#19 0x00007ffff15b30ad in QCoreApplication::notifyInternal(QObject*, QEvent*)
()
   from /usr/lib64/libQtCore.so.4
#20 0x00007ffff200fbd1 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool,
bool) () from /usr/lib64/libQtGui.so.4
#21 0x00007ffff200fb26 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool,
bool) () from /usr/lib64/libQtGui.so.4
#22 0x00007ffff200fb26 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool,
bool) () from /usr/lib64/libQtGui.so.4
#23 0x00007ffff200fb26 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool,
bool) () from /usr/lib64/libQtGui.so.4
#24 0x00007ffff20115ea in QWidgetPrivate::prepareToRender(QRegion const&,
QFlags<QWidget::RenderFlag>) () from /usr/lib64/libQtGui.so.4
#25 0x00007ffff20125e5 in QWidgetPrivate::render(QPaintDevice*, QPoint const&,
QRegion const&, QFlags<QWidget::RenderFlag>, bool) ()
---Type <return> to continue, or q <return> to quit---
---Type <return> to continue, or q <return> to quit---
   from /usr/lib64/libQtGui.so.4
#26 0x00007ffff20129d9 in QWidget::render(QPaintDevice*, QPoint const&, QRegion
const&, QFlags<QWidget::RenderFlag>) () from /usr/lib64/libQtGui.so.4
#27 0x00007fffd5f34fa4 in ?? () from /usr/lib64/kde4/plugins/styles/oxygen.so
#28 0x00007fffd5f35387 in ?? () from /usr/lib64/kde4/plugins/styles/oxygen.so
#29 0x00007fffd5f316ed in ?? () from /usr/lib64/kde4/plugins/styles/oxygen.so
#30 0x00007ffff15caf31 in QObject::event(QEvent*) ()
   from /usr/lib64/libQtCore.so.4
#31 0x00007ffff1fc48ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
    () from /usr/lib64/libQtGui.so.4
#32 0x00007ffff1fcae70 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib64/libQtGui.so.4
#33 0x00007ffff2cdb18a in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib64/libkdeui.so.5
#34 0x00007ffff15b30ad in QCoreApplication::notifyInternal(QObject*, QEvent*)
()
   from /usr/lib64/libQtCore.so.4
#35 0x00007ffff15e283c in ?? () from /usr/lib64/libQtCore.so.4
#36 0x00007ffff15dfb21 in ?? () from /usr/lib64/libQtCore.so.4
#37 0x00007fffe82e2316 in g_main_context_dispatch ()
   from /usr/lib64/libglib-2.0.so.0
#38 0x00007fffe82e2668 in ?? () from /usr/lib64/libglib-2.0.so.0
#39 0x00007fffe82e270c in g_main_context_iteration ()
   from /usr/lib64/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#40 0x00007ffff15dfd55 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQtCore.so.4
#41 0x00007ffff2061936 in ?? () from /usr/lib64/libQtGui.so.4
#42 0x00007ffff15b1d0f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#43 0x00007ffff15b2005 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#44 0x00007ffff15b713b in QCoreApplication::exec() ()
   from /usr/lib64/libQtCore.so.4
#45 0x00000000004a0470 in main (argc=<optimized out>, argv=<optimized out>)
    at /usr/src/debug/digikam-4.4.0/core/app/main/main.cpp:236

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