https://bugs.kde.org/show_bug.cgi?id=412738
--- Comment #7 from Tom Moebert <tom.m...@googlemail.com> --- For me crashes in #4 0x00007ffff7591475 in operator/ (s=..., c=0) at /usr/include/qt5/QtCore/qsize.h:196 194 inline const QSize operator/(const QSize &s, qreal c) 195 { 196 Q_ASSERT(!qFuzzyIsNull(c)); 197 return QSize(qRound(s.wd/c), qRound(s.ht/c)); 198 } when c==0 . Test code: auto prf= thumbnailPix.devicePixelRatioF(); auto pr = thumbnailPix.devicePixelRatio(); (gdb) print prf $3 = 0 (gdb) print pr $2 = 1 (gdb) ptype prf type = double (gdb) ptype pr type = double Full call stack: Thread 1 "gwenview" received signal SIGABRT, Aborted. 0x00007fffee76b160 in raise () from /lib64/libc.so.6 (gdb) bt #0 0x00007fffee76b160 in raise () from /lib64/libc.so.6 #1 0x00007fffee76c741 in abort () from /lib64/libc.so.6 #2 0x00007fffef46b907 in QMessageLogger::fatal(char const*, ...) const () from /usr/lib64/libQt5Core.so.5 #3 0x00007fffef466dd6 in qt_assert(char const*, char const*, int) () from /usr/lib64/libQt5Core.so.5 #4 0x00007ffff7591475 in operator/ (s=..., c=0) at /usr/include/qt5/QtCore/qsize.h:196 #5 0x00007ffff761dcce in Gwenview::ThumbnailBarItemDelegate::sizeHint (this=0x9b4650, index=...) at /home/tom/Programme/gwenview/lib/thumbnailview/thumbnailbarview.cpp:182 #6 0x00007ffff1540e5a in ?? () from /usr/lib64/libQt5Widgets.so.5 #7 0x00007ffff15491f4 in ?? () from /usr/lib64/libQt5Widgets.so.5 #8 0x00007ffff1540bf3 in ?? () from /usr/lib64/libQt5Widgets.so.5 #9 0x00007ffff154ac5a in QListView::doItemsLayout() () from /usr/lib64/libQt5Widgets.so.5 #10 0x00007ffff12b9513 in ?? () from /usr/lib64/libQt5Widgets.so.5 #11 0x00007ffff1545160 in QListView::rectForIndex(QModelIndex const&) const () from /usr/lib64/libQt5Widgets.so.5 #12 0x00007ffff15451ae in QListView::visualRect(QModelIndex const&) const () from /usr/lib64/libQt5Widgets.so.5 #13 0x00007ffff154686c in QListView::scrollTo(QModelIndex const&, QAbstractItemView::ScrollHint) () from /usr/lib64/libQt5Widgets.so.5 #14 0x00007ffff7623b67 in Gwenview::ThumbnailView::scrollToSelectedIndex (this=0xa6f0e0) at /home/tom/Programme/gwenview/lib/thumbnailview/thumbnailview.cpp:843 #15 0x000000000047545e in Gwenview::MainWindow::slotDirListerCompleted (this=0x7f5670) at /home/tom/Programme/gwenview/app/mainwindow.cpp:1302 #16 0x00000000004a61b0 in Gwenview::MainWindow::qt_static_metacall (_o=0x7f5670, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0x7fffffffd2a0) at /home/tom/Programme/gwenview/build/app/gwenview_autogen/EWIEGA46WW/moc_mainwindow.cpp:238 #17 0x00007fffef68e535 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5 #18 0x00007ffff6583947 in ?? () from /usr/lib64/libKF5KIOCore.so.5 #19 0x00007ffff6583b36 in ?? () from /usr/lib64/libKF5KIOCore.so.5 #20 0x00007fffef68f0a2 in QObject::event(QEvent*) () from /usr/lib64/libQt5Core.so.5 #21 0x00007ffff12c03dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #22 0x00007ffff12c7ca4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #23 0x00007fffef65f8d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5 #24 0x00007fffef66204d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQt5Core.so.5 #25 0x00007fffef6b9323 in ?? () from /usr/lib64/libQt5Core.so.5 #26 0x00007fffe9152e87 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0 #27 0x00007fffe9153230 in ?? () from /usr/lib64/libglib-2.0.so.0 #28 0x00007fffe91532bc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #29 0x00007fffef6b894f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #30 0x00007fffef65d90a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #31 0x00007fffef6669b4 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5 #32 0x0000000000472361 in main (argc=1, argv=0x7fffffffdbb8) at /home/tom/Programme/gwenview/app/main.cpp:163 -- You are receiving this mail because: You are watching all bug changes.