[kde] [Bug 436472] New: Dolphin (and rest of session) Crash under Wayland when disconnecting Secondary display

[James Flynn]

https://bugs.kde.org/show_bug.cgi?id=436472

            Bug ID: 436472
           Summary: Dolphin (and rest of session) Crash under Wayland when
                    disconnecting Secondary display
           Product: kde
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: my-kde at duk13.win
  Target Milestone: ---

Application: dolphin (20.12.2)

Qt Version: 5.15.2
Frameworks Version: 5.80.0
Operating System: Linux 5.11.16-300.fc34.x86_64 x86_64
Windowing System: Wayland
Drkonqi Version: 5.21.4
Distribution: Fedora 34 (KDE Plasma)

-- Information about the crash:
When disconnecting my secondary display (a portable USB-C monitor that is
connected/powered by USB-C running Displayport Alt Mode), my Wayland Plasma
Session crashed, including all active programs (including dolphin). This is for
the traces from the dolphin crash. I have not yet had time to retry, as I have
to be mobile the rest of the day.

My laptop is a 15in HP Envy x360 using an AMD Ryzen 1500U with Vega graphics.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Dolphin (dolphin), signal: Aborted

[KCrash Handler]
#4  0x00007fe2c9095292 in raise () from /lib64/libc.so.6
#5  0x00007fe2c907e8a4 in abort () from /lib64/libc.so.6
#6  0x00007fe2c6f7f42d in QMessageLogger::fatal(char const*, ...) const () from
/lib64/libQt5Core.so.5
#7  0x00007fe2c4a9bed3 in QtWaylandClient::QWaylandDisplay::checkError() const
[clone .cold] () from /lib64/libQt5WaylandClient.so.5
#8  0x00007fe2c4aaa6ea in QtWaylandClient::QWaylandDisplay::flushRequests() ()
from /lib64/libQt5WaylandClient.so.5
#9  0x00007fe2c717d4fd in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#10 0x00007fe2c717fb3a in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () from
/lib64/libQt5Core.so.5
#11 0x00007fe2c71802d4 in QSocketNotifier::event(QEvent*) () from
/lib64/libQt5Core.so.5
#12 0x00007fe2c7c9ee73 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#13 0x00007fe2c714cf48 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#14 0x00007fe2c719a17f in socketNotifierSourceDispatch(_GSource*, int
(*)(void*), void*) () from /lib64/libQt5Core.so.5
#15 0x00007fe2c50c04cf in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#16 0x00007fe2c51144e8 in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#17 0x00007fe2c50bdc03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#18 0x00007fe2c719976e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#19 0x00007fe2c714b9b2 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#20 0x00007fe2c7153544 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#21 0x00007fe2c927dd3d in kdemain () from /lib64/libkdeinit5_dolphin.so
#22 0x00007fe2c907fb75 in __libc_start_main () from /lib64/libc.so.6
#23 0x000055fbbd1b20ae in _start ()
[Inferior 1 (process 37137) detached]

Possible duplicates by query: bug 436428, bug 436126, bug 435839, bug 435539,
bug 435427.

Reported using DrKonqi
This report was filed against 'kde' because the product 'dolphin' could not be
located in Bugzilla. Add it to drkonqi's mappings file!

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