[okular] [Bug 471198] New: Ocular crashes when unplugging UCB-C multi-monitor docking station.

Pierre Racz bugzilla_noreply at kde.org
Sun Jun 18 17:45:15 BST 2023 

https://bugs.kde.org/show_bug.cgi?id=471198

            Bug ID: 471198
           Summary: Ocular crashes when unplugging UCB-C multi-monitor
                    docking station.
    Classification: Applications
           Product: okular
           Version: 22.12.3
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: pracz at genetec.com
  Target Milestone: ---

Application: okular (22.12.3)

Qt Version: 5.15.8
Frameworks Version: 5.104.0
Operating System: Linux 6.2.0-20-generic x86_64
Windowing System: X11
Distribution: Ubuntu 23.04
DrKonqi: 5.27.4 [KCrashBackend]

-- Information about the crash:
While reading a document that is displayed on a external monitor, the USB-C
cable is unplugged.  
The open applications attempt to redisplay themselves on the laptop's screen. 
Ocular is unsuccessful and crashes.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault

[KCrash Handler]
#4  0x00007efc207b53e5 in ?? () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#5  0x00007efc2060279a in ?? () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#6  0x00007efc20604390 in QRasterPaintEngine::drawImage(QPointF const&, QImage
const&) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x00007efc084c06e5 in PagePainter::paintCroppedPageOnPainter(QPainter*,
Okular::Page const*, Okular::DocumentObserver*, int, int, int, QRect,
Okular::NormalizedRect const&, Okular::NormalizedPoint*) () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#8  0x00007efc085510c1 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#9  0x00007efc08547315 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#10 0x00007efc20baec28 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007efc20c5b792 in QFrame::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007efc1febaba3 in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007efc20b6bf82 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007efc1febae38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007efc20ba6e59 in QWidgetPrivate::sendPaintEvent(QRegion const&) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007efc20ba7751 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007efc20ba8a66 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007efc20ba88c9 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007efc20ba73cc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007efc20ba8a66 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007efc20ba88c9 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007efc20ba73cc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007efc20ba8a66 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007efc20ba88c9 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007efc20ba88c9 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007efc20ba73cc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007efc20ba8a66 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007efc20ba73cc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007efc20ba8a66 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007efc20ba73cc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007efc20ba8a66 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007efc20ba73cc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007efc20ba8a66 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007efc20ba73cc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007efc20ba8a66 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007efc20ba88c9 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&,
QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007efc20ba73cc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007efc20b7d4c5 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007efc20bc7a01 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007efc20bcb7eb in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007efc20b6bf92 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007efc1febae38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007efc2033e8f4 in
QGuiApplicationPrivate::processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#44 0x00007efc203164bc in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#45 0x00007efc1b0fa54e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#46 0x00007efc1e66149d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007efc1e6bc178 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007efc1e6601b0 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007efc1ff14e7a in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007efc1feb97cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007efc1fec1c1a in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x000055c9b81cac0f in ?? ()
#53 0x00007efc1f423a90 in __libc_start_call_main
(main=main at entry=0x55c9b81c9480, argc=argc at entry=2,
argv=argv at entry=0x7ffc92b37da8) at ../sysdeps/nptl/libc_start_call_main.h:58
#54 0x00007efc1f423b49 in __libc_start_main_impl (main=0x55c9b81c9480, argc=2,
argv=0x7ffc92b37da8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc92b37d98) at ../csu/libc-start.c:360
#55 0x000055c9b81cb765 in ?? ()
[Inferior 1 (process 166587) detached]

Reported using DrKonqi

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