[dolphin] [Bug 430283] New: Dolphin quite unstable. Routinely crashes while doing simple file browsing

mark bugzilla_noreply at kde.org
Sat Dec 12 03:26:36 GMT 2020 

https://bugs.kde.org/show_bug.cgi?id=430283

            Bug ID: 430283
           Summary: Dolphin quite unstable. Routinely crashes while doing
                    simple file browsing
           Product: dolphin
           Version: 20.08.3
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: mheieis at alois.ca
                CC: kfm-devel at kde.org
  Target Milestone: ---

Application: dolphin (20.08.3)

Qt Version: 5.15.2
Frameworks Version: 5.75.0
Operating System: Linux 5.9.13-200.fc33.x86_64 x86_64
Windowing system: X11
Distribution: Fedora 33 (KDE Plasma)

-- Information about the crash:
- Was file browsing on USB mounted FS (ext4). Seems to occur on system drives
too. Can't point to a particular behaviour or action, other than it
consistantly crashes fairly quickly after instantiating a session.

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7f71a716f980
(LWP 3531))]
[KCrash Handler]
#6  0x00007f71ad596dc8 in
QSharedDataPointer<KFileItemPrivate>::~QSharedDataPointer (this=<optimized
out>, this=<optimized out>) at /usr/include/qt5/QtCore/qshareddata.h:93
#7  KFileItem::~KFileItem (this=<optimized out>, this=<optimized out>) at
/usr/src/debug/kf5-kio-5.75.0-2.fc33.x86_64/src/core/kfileitem.cpp:555
#8  0x00007f71adaf3242 in KFileItemModel::removeItems(KItemRangeList const&,
KFileItemModel::RemoveItemsBehavior) () from /lib64/libdolphinprivate.so.5
#9  0x00007f71adaeea0a in KFileItemModel::setExpanded(int, bool) () from
/lib64/libdolphinprivate.so.5
#10 0x00007f71adb0a884 in
KItemListController::mouseReleaseEvent(QGraphicsSceneMouseEvent*, QTransform
const&) () from /lib64/libdolphinprivate.so.5
#11 0x00007f71adb0f4a9 in KItemListController::processEvent(QEvent*, QTransform
const&) () from /lib64/libdolphinprivate.so.5
#12 0x00007f71adb13661 in KItemListView::event(QEvent*) () from
/lib64/libdolphinprivate.so.5
#13 0x00007f71ac87bec3 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55a7a8e01920, e=0x7fff0f7ebf30) at
kernel/qapplication.cpp:3632
#14 0x00007f71abd23bd8 in QCoreApplication::notifyInternal2
(receiver=0x55a7a8e01920, event=0x7fff0f7ebf30) at
kernel/qcoreapplication.cpp:1063
#15 0x00007f71acb9cddd in QGraphicsScenePrivate::sendEvent (this=<optimized
out>, item=0x55a7a8e01930, event=0x7fff0f7ebf30) at
graphicsview/qgraphicsscene.cpp:1254
#16 0x00007f71acb9d191 in QGraphicsScenePrivate::sendMouseEvent
(this=this at entry=0x55a7a8ad3d80, mouseEvent=mouseEvent at entry=0x7fff0f7ebf30) at
graphicsview/qgraphicsscene.cpp:1335
#17 0x00007f71acba29d0 in QGraphicsScene::mouseReleaseEvent (this=<optimized
out>, mouseEvent=0x7fff0f7ebf30) at graphicsview/qgraphicsscene.cpp:4123
#18 0x00007f71acbaf681 in QGraphicsScene::event (this=0x55a7a8c8a8f0,
event=0x7fff0f7ebf30) at graphicsview/qgraphicsscene.cpp:3436
#19 0x00007f71ac87bec3 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55a7a8c8a8f0, e=0x7fff0f7ebf30) at
kernel/qapplication.cpp:3632
#20 0x00007f71abd23bd8 in QCoreApplication::notifyInternal2
(receiver=0x55a7a8c8a8f0, event=0x7fff0f7ebf30) at
kernel/qcoreapplication.cpp:1063
#21 0x00007f71acbcc718 in QGraphicsView::mouseReleaseEvent
(this=0x55a7a8f85070, event=0x7fff0f7ec4e0) at
graphicsview/qgraphicsview.cpp:3430
#22 0x00007f71ac8bcb1e in QWidget::event (this=0x55a7a8f85070,
event=0x7fff0f7ec4e0) at kernel/qwidget.cpp:9019
#23 0x00007f71ac9666f2 in QFrame::event (this=0x55a7a8f85070, e=0x7fff0f7ec4e0)
at widgets/qframe.cpp:550
#24 0x00007f71abd23995 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (event=<optimized out>,
receiver=<optimized out>) at kernel/qcoreapplication.cpp:1189
#25 QCoreApplicationPrivate::sendThroughObjectEventFilters
(receiver=0x55a7a8fa9690, event=0x7fff0f7ec4e0) at
kernel/qcoreapplication.cpp:1178
#26 0x00007f71ac87beb2 in QApplicationPrivate::notify_helper
(this=this at entry=0x55a7a7c11a60, receiver=receiver at entry=0x55a7a8fa9690,
e=e at entry=0x7fff0f7ec4e0) at kernel/qapplication.cpp:3626
#27 0x00007f71ac882eeb in QApplication::notify (this=0x7fff0f7ec1f0,
receiver=0x55a7a8fa9690, e=0x7fff0f7ec4e0) at kernel/qapplication.cpp:3076
#28 0x00007f71abd23bd8 in QCoreApplication::notifyInternal2
(receiver=0x55a7a8fa9690, event=0x7fff0f7ec4e0) at
kernel/qcoreapplication.cpp:1063
#29 0x00007f71ac881efa in QApplicationPrivate::sendMouseEvent
(receiver=0x55a7a8fa9690, event=0x7fff0f7ec4e0, alienWidget=0x55a7a8fa9690,
nativeWidget=0x55a7a7d30ce0, buttonDown=<optimized out>, lastMouseReceiver=...,
spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#30 0x00007f71ac8d5375 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () at
kernel/qwidgetwindow.cpp:683
#31 0x00007f71ac8d86be in QWidgetWindow::event(QEvent*) () at
kernel/qwidgetwindow.cpp:300
#32 0x00007f71ac87bec3 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55a7a7fa1820, e=0x7fff0f7ec790) at
kernel/qapplication.cpp:3632
#33 0x00007f71abd23bd8 in QCoreApplication::notifyInternal2
(receiver=0x55a7a7fa1820, event=0x7fff0f7ec790) at
kernel/qcoreapplication.cpp:1063
#34 0x00007f71ac222143 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at kernel/qguiapplication.cpp:2275
#35 0x00007f71ac2038cc in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at kernel/qwindowsysteminterface.cpp:1169
#36 0x00007f7199b4d47e in xcbSourceDispatch
(source=source at entry=0x55a7a7d34300) at qxcbeventdispatcher.cpp:105
#37 0x00007f71a9ce27ef in g_main_dispatch (context=0x7f7194005000) at
../glib/gmain.c:3325
#38 g_main_context_dispatch (context=0x7f7194005000) at ../glib/gmain.c:4043
#39 0x00007f71a9d345d8 in g_main_context_iterate.constprop.0
(context=context at entry=0x7f7194005000, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4119
#40 0x00007f71a9cdfbc3 in g_main_context_iteration (context=0x7f7194005000,
may_block=1) at ../glib/gmain.c:4184
#41 0x00007f71abd706f3 in QEventDispatcherGlib::processEvents
(this=0x55a7a7d3d950, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#42 0x00007f71abd2257b in QEventLoop::exec (this=0x7fff0f7ecac0, flags=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#43 0x00007f71abd2a1b4 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#44 0x00007f71addc61d5 in kdemain (argc=<optimized out>, argv=0x7fff0f7ecbf0)
at /usr/src/debug/dolphin-20.08.3-1.fc33.x86_64/src/main.cpp:215
#45 0x00007f71adbcf1e2 in __libc_start_main () from /lib64/libc.so.6
#46 0x000055a7a7a970ae in _start ()
[Inferior 1 (process 3531) detached]

The reporter indicates this bug may be a duplicate of or related to bug 422282.

Possible duplicates by query: bug 430170, bug 429012, bug 428770, bug 428735,
bug 428535.

Reported using DrKonqi

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