https://bugs.kde.org/show_bug.cgi?id=418477

            Bug ID: 418477
           Summary: Plasma Crash Dee to multiple monitor turned off
           Product: plasmashell
           Version: master
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: sheldonreeves...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.18.2)

Qt Version: 5.14.1
Frameworks Version: 5.67.0
Operating System: Linux 5.5.7-arch1-1 x86_64
Windowing system: Wayland
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
Locked the session and turned off the monitors.
Then turned the monitors back on and unlocked.

- Unusual behavior I noticed:

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1ec98c9840 (LWP 896))]

Thread 28 (Thread 0x7f1e6149a700 (LWP 1827)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7f1e267fc700 (LWP 1804)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7f1e277fe700 (LWP 1771)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f1e26ffd700 (LWP 1750)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f1e44b3a700 (LWP 1747)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f1e6e90b700 (LWP 1581)):
#0  0x00007f1ecdbd2abf in poll () at /usr/lib/libc.so.6
#1  0x00007f1ecc4737a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f1ecc473871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f1ece18b03c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f1ece1314cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f1ecdf55e52 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f1e6ee1716b in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f1ecdf56fc6 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f1e5cc0a700 (LWP 1499)):
#0  0x00007f1ecdf57540 in QMutex::unlock() () at /usr/lib/libQt5Core.so.5
#1  0x00007f1ece18af41 in  () at /usr/lib/libQt5Core.so.5
#2  0x00007f1ecc473080 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f1ecc4736c6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f1ecc473871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f1ece18b03c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007f1ece1314cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f1ecdf55e52 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f1ecdf56fc6 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f1e47fff700 (LWP 1406)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f1e6ca18700 (LWP 1333)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f1e6ffff700 (LWP 1329)):
#0  0x00007f1ecdbce4fc in read () at /usr/lib/libc.so.6
#1  0x00007f1ecc4228c0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f1ecc472001 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f1ecc473748 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f1ecc473871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f1ece18b03c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007f1ece1314cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f1ecdf55e52 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f1ecfbf3eab in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007f1ecdf56fc6 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f1e91ffb700 (LWP 1242)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f1e927fc700 (LWP 1241)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f1e92ffd700 (LWP 1240)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f1e937fe700 (LWP 1239)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f1e93fff700 (LWP 1238)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f1eacff9700 (LWP 1237)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f1ead7fa700 (LWP 1236)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f1eadffb700 (LWP 1235)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f1eae7fc700 (LWP 1234)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f1eaeffd700 (LWP 1233)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f1eaf7fe700 (LWP 1232)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f1eaffff700 (LWP 1231)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f1eb4b04700 (LWP 1230)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f1eb5305700 (LWP 1229)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f1eb5b06700 (LWP 1228)):
#0  0x00007f1ecd39ccf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ebb24399c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f1ebb243598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f1ec35ef700 (LWP 1169)):
#0  0x00007f1ecc471cb5 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f1ecc472fbb in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007f1ecc4736c6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f1ecc473871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f1ece18b03c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f1ece1314cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f1ecdf55e52 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f1ecf951f89 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f1ecdf56fc6 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f1ec8fc2700 (LWP 941)):
#0  0x00007f1ecdbd2abf in poll () at /usr/lib/libc.so.6
#1  0x00007f1ecc4737a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f1ecc473871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f1ece18b03c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f1ece1314cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f1ecdf55e52 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f1ecf22db28 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f1ecdf56fc6 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f1ecd39646f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f1ecdbdd3d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f1ec98c9840 (LWP 896)):
[KCrash Handler]
#6  0x00007f1ece522ef0 in QScreen::refreshRate() const () at
/usr/lib/libQt5Gui.so.5
#7  0x00007f1ecfcb3d6d in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f1ecfcb72f8 in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007f1ecfd14c98 in QQuickWindow::~QQuickWindow() () at
/usr/lib/libQt5Quick.so.5
#10 0x000055f70ff5ce89 in  ()
#11 0x000055f70ff74a7d in  ()
#12 0x000055f70ff74b92 in  ()
#13 0x00007f1ece16846e in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f1ece4ede83 in QGuiApplication::screenRemoved(QScreen*) () at
/usr/lib/libQt5Gui.so.5
#15 0x00007f1ece523f25 in QScreen::~QScreen() () at /usr/lib/libQt5Gui.so.5
#16 0x00007f1ece52407a in QScreen::~QScreen() () at /usr/lib/libQt5Gui.so.5
#17 0x00007f1ece4d5038 in
QWindowSystemInterface::handleScreenRemoved(QPlatformScreen*) () at
/usr/lib/libQt5Gui.so.5
#18 0x00007f1ec9490b9a in
QtWaylandClient::QWaylandDisplay::registry_global_remove(unsigned int) () at
/usr/lib/libQt5WaylandClient.so.5
#19 0x00007f1ecc3ff69a in ffi_call_unix64 () at /usr/lib/libffi.so.6
#20 0x00007f1ecc3fefb6 in ffi_call () at /usr/lib/libffi.so.6
#21 0x00007f1ecda20e92 in  () at /usr/lib/libwayland-client.so.0
#22 0x00007f1ecda1d6c1 in  () at /usr/lib/libwayland-client.so.0
#23 0x00007f1ecda1eccc in wl_display_dispatch_queue_pending () at
/usr/lib/libwayland-client.so.0
#24 0x00007f1ec948eb44 in QtWaylandClient::QWaylandDisplay::flushRequests() ()
at /usr/lib/libQt5WaylandClient.so.5
#25 0x00007f1ece1684a0 in  () at /usr/lib/libQt5Core.so.5
#26 0x00007f1ece18b05e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#27 0x00007f1ece1314cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#28 0x00007f1ece1394d6 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#29 0x000055f70ff4a018 in  ()
#30 0x00007f1ecdb05023 in __libc_start_main () at /usr/lib/libc.so.6
#31 0x000055f70ff4a23e in _start ()
[Inferior 1 (process 896) detached]

Possible duplicates by query: bug 418316, bug 418232, bug 418216, bug 418063,
bug 417741.

Reported using DrKonqi

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