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Created attachment 1037585[details]
Patch from KDE bug 199161
Description of problem:
konsole can sometimes crash with a SEGV when resized
Version-Release number of selected component (if applicable):
kdebase-4.3.4-6.el6
How reproducible:
Occasionally
Steps to Reproduce:
1. Start and use konsole
2. Resize (e.g. maximize/minimize etc)
Actual results:
konsole can SEGV
Expected results:
Doesn't SEGV
Additional info:
Backtrace shows:
#0 0x00000032f080f5db in raise () from /lib64/libpthread.so.0 #1 0x00000032ff055735 in KCrash::defaultCrashHandler(int) () from /usr/lib64/libkdeui.so.5 #2 <signal handler called> #3 0x00000032ffca9e40 in Konsole::TerminalDisplay::paintFilters(QPainter&) () from /usr/lib64/libkonsoleprivate.so #4 0x00000032ffcab4a9 in Konsole::TerminalDisplay::paintEvent(QPaintEvent*) () from /usr/lib64/libkonsoleprivate.so #5 0x00000032fddf586a in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4 #6 0x00000032fddaaa0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4 #7 0x00000032fddb094b in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4 #8 0x00000032feff81f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5 #9 0x00000032fb157d0c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4 #10 0x00000032fddfd43c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #11 0x00000032fddfe0c8 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #12 0x00000032fddfd19a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #13 0x00000032fddfe0c8 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #14 0x00000032fddfd19a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #15 0x00000032fddfe0c8 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #16 0x00000032fddfd19a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #17 0x00000032fddfe0c8 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #18 0x00000032fddfd19a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #19 0x00000032fddfe0c8 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #20 0x00000032fddfd19a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4 #21 0x00000032fdfa07d5 in ?? () from /usr/lib64/libQtGui.so.4 #22 0x00000032fddef820 in QWidgetPrivate::syncBackingStore() () from /usr/lib64/libQtGui.so.4 #23 0x00000032fde17028 in ?? () from /usr/lib64/libQtGui.so.4 #24 0x00000032fde214f7 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4 #25 0x00000032fde49e92 in ?? () from /usr/lib64/libQtGui.so.4 #26 0x00000032f1c40642 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #27 0x00000032f1c44c98 in ?? () from /lib64/libglib-2.0.so.0 #28 0x00000032f1c44e4c in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #29 0x00000032fb17d613 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4 #30 0x00000032fde49b5e in ?? () from /usr/lib64/libQtGui.so.4 #31 0x00000032fb156752 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4 #32 0x00000032fb156a1c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4 #33 0x00000032fb158d09 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4 #34 0x00000032ff810803 in kdemain () from /usr/lib64/libkdeinit4_konsole.so #35 0x00000032f041ed5d in __libc_start_main () from /lib64/libc.so.6 #36 0x0000000000400759 in _start ()
This is virtually the same as the backtrace listed in https://bugs.kde.org/show_bug.cgi?id=199161
I've rebuilt kdebase with the patch referenced above via http://websvn.kde.org/?revision=1095087&view=revision - and we haven't had this crash since
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2016-0744.html