438267 2021-06-08 16:07:23 +0000 Crash after disable the screen (wayland) 2021-06-08 19:51:54 +0000 1 1 2 Applications systemsettings kcm_kscreen 5.21.90 Other Linux RESOLVED DUPLICATE 437384 NOR normal --- 0 baito30 kscreen-bugs-null nate plasma-bugs-null 0 oldest_to_newest 2038570 0 baito30 2021-06-08 16:07:23 +0000 SUMMARY My notebook is connected with an external monitor. When i disable one screen, "System Settings" app crash. STEPS TO REPRODUCE 1. start a Plasma session on Wayland 2. open "System Settings" and go to "Display and monitor"->"Display Configuration" 3. Disable one screen OBSERVED RESULT Crash EXPECTED RESULT Screen disable SOFTWARE/OS VERSIONS Operating System: Kubuntu 21.10 KDE Plasma Version: 5.21.90 KDE Frameworks Version: 5.82.0 Qt Version: 5.15.2 Kernel Version: 5.11.0-18-generic (64-bit) Graphics Platform: Wayland Processors: 4 × Intel® Core™ i5-4200U CPU @ 1.60GHz Memory: 9,6 GiB of RAM Graphics Processor: Mesa DRI Intel® HD Graphics 4400 ADDITIONAL INFORMATION Application: System Settings (systemsettings5), signal: Segmentation fault [KCrash Handler] #4 0x00007f103f956791 in ?? () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #5 0x00007f103d938249 in ?? () from /lib/x86_64-linux-gnu/libffi.so.8 #6 0x00007f103d937639 in ?? () from /lib/x86_64-linux-gnu/libffi.so.8 #7 0x00007f103f8c4a2e in ?? () from /lib/x86_64-linux-gnu/libwayland-client.so.0 #8 0x00007f103f8c512b in ?? () from /lib/x86_64-linux-gnu/libwayland-client.so.0 #9 0x00007f103f8c531c in wl_display_dispatch_queue_pending () from /lib/x86_64-linux-gnu/libwayland-client.so.0 #10 0x00007f103f94af83 in QtWaylandClient::QWaylandDisplay::flushRequests() () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #11 0x00007f1042035670 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007f1042038c53 in QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f1042039483 in QSocketNotifier::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007f1042bf2783 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #15 0x00007f1041ffd82a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #16 0x00007f1042057e75 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007f103fc1e8eb in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #18 0x00007f103fc71d28 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #19 0x00007f103fc1c023 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #20 0x00007f1042057274 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f1041ffc18b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #22 0x00007f1042004674 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #23 0x0000556a15f7b58b in ?? () #24 0x00007f1041968565 in __libc_start_main (main=0x556a15f7aa20, argc=1, argv=0x7ffff5ed8f88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff5ed8f78) at ../csu/libc-start.c:332 #25 0x0000556a15f7c1ee in ?? () [Inferior 1 (process 5962) detached] 2038685 1 nate 2021-06-08 19:51:54 +0000 Should be fixed in the final release of 5.22. *** This bug has been marked as a duplicate of bug 437384 ***