437166 2021-05-15 17:14:48 +0000 System Settings crashed in QWaylandClientExtensionPrivate::handleRegistryGlobal() on Wayland when I added appmenu to window decoration 2021-06-08 19:15:27 +0000 1 1 4 Plasma kwin wayland-generic git master Neon Linux RESOLVED DUPLICATE 437455 drkonqi NOR crash --- 0 bugseforuns kwin-bugs-null kde nate 0 oldest_to_newest 2032962 0 bugseforuns 2021-05-15 17:14:48 +0000 Application: systemsettings5 (5.22.80) Qt Version: 5.15.2 Frameworks Version: 5.83.0 Operating System: Linux 5.8.0-53-generic x86_64 Windowing System: Wayland Drkonqi Version: 5.22.80 Distribution: KDE neon Unstable Edition -- Information about the crash: - What I was doing when the application crashed: added appmenu in Window Decoration KCM, System Settings crashed when I clicked on "Apply" button The crash can be reproduced sometimes. -- Backtrace: Application: System Settings (systemsettings5), signal: Segmentation fault Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7faa26ab68c0 (LWP 48181))] [New LWP 48183] [New LWP 48184] [New LWP 48185] [New LWP 48186] [New LWP 48187] [New LWP 48188] [New LWP 48189] [New LWP 48199] [New LWP 48202] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 0x00007faa2b09caff in __GI___poll (fds=fds@entry=0x7ffed2d5cc58, nfds=nfds@entry=1, timeout=timeout@entry=1000) at ../sysdeps/unix/sysv/linux/poll.c:29 Thread 10 (Thread 0x7fa9f7028700 (LWP 48202)): #0 0x00007faa2b667c81 in idleTimerSourceCheck (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:220 #1 0x00007faa290dbda1 in g_main_context_check (context=context@entry=0x7fa9f0003800, max_priority=2147483647, fds=fds@entry=0x7fa9f0009bc0, n_fds=n_fds@entry=1) at ../../../glib/gmain.c:3880 #2 0x00007faa290dc312 in g_main_context_iterate (context=context@entry=0x7fa9f0003800, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044 #3 0x00007faa290dc4a3 in g_main_context_iteration (context=0x7fa9f0003800, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faa2b667ffb in QEventDispatcherGlib::processEvents (this=0x7fa9f0059ed0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #5 0x00007faa2b60c1eb in QEventLoop::exec (this=this@entry=0x7fa9f7027cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faa2b426a52 in QThread::exec (this=this@entry=0x55f55e5e1d20) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faa2a4c7fa9 in QQmlThreadPrivate::run (this=0x55f55e5e1d20) at qml/ftw/qqmlthread.cpp:155 #8 0x00007faa2b427bec in QThreadPrivate::start (arg=0x55f55e5e1d20) at thread/qthread_unix.cpp:329 #9 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7faa14953700 (LWP 48199)): #0 g_mutex_unlock (mutex=0x7fa9f8417e60) at ../../../glib/gthread-posix.c:1493 #1 0x00007faa290dbbae in g_main_context_query (context=context@entry=0x7fa9f8417e60, max_priority=2147483647, timeout=timeout@entry=0x7faa14952b84, fds=fds@entry=0x7fa9f83193f0, n_fds=n_fds@entry=1) at ../../../glib/gmain.c:3774 #2 0x00007faa290dc2e8 in g_main_context_iterate (context=context@entry=0x7fa9f8417e60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4029 #3 0x00007faa290dc4a3 in g_main_context_iteration (context=0x7fa9f8417e60, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faa2b667ffb in QEventDispatcherGlib::processEvents (this=0x7fa9f82034b0, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #5 0x00007faa2b60c1eb in QEventLoop::exec (this=this@entry=0x7faa14952cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faa2b426a52 in QThread::exec (this=this@entry=0x55f55e3f7720) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faa2a4c7fa9 in QQmlThreadPrivate::run (this=0x55f55e3f7720) at qml/ftw/qqmlthread.cpp:155 #8 0x00007faa2b427bec in QThreadPrivate::start (arg=0x55f55e3f7720) at thread/qthread_unix.cpp:329 #9 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7faa15ce9700 (LWP 48189)): #0 0x00007faa2b09caff in __GI___poll (fds=0x7faa04004a60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faa290dc36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7faa04004a60, timeout=<optimized out>, context=0x7faa04000c20) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7faa04000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faa290dc4a3 in g_main_context_iteration (context=0x7faa04000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faa2b667ffb in QEventDispatcherGlib::processEvents (this=0x7faa04000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #5 0x00007faa2b60c1eb in QEventLoop::exec (this=this@entry=0x7faa15ce8cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faa2b426a52 in QThread::exec (this=this@entry=0x55f550094ca0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faa2a4c7fa9 in QQmlThreadPrivate::run (this=0x55f550094ca0) at qml/ftw/qqmlthread.cpp:155 #8 0x00007faa2b427bec in QThreadPrivate::start (arg=0x55f550094ca0) at thread/qthread_unix.cpp:329 #9 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7faa1d9b9700 (LWP 48188)): #0 0x00007faa291294dd in g_mutex_lock (mutex=mutex@entry=0x7faa00000c20) at ../../../glib/gthread-posix.c:1481 #1 0x00007faa290dc331 in g_main_context_iterate (context=context@entry=0x7faa00000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4051 #2 0x00007faa290dc4a3 in g_main_context_iteration (context=0x7faa00000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #3 0x00007faa2b667ffb in QEventDispatcherGlib::processEvents (this=0x7faa00000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #4 0x00007faa2b60c1eb in QEventLoop::exec (this=this@entry=0x7faa1d9b8cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #5 0x00007faa2b426a52 in QThread::exec (this=this@entry=0x55f54fdb6900) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #6 0x00007faa2a4c7fa9 in QQmlThreadPrivate::run (this=0x55f54fdb6900) at qml/ftw/qqmlthread.cpp:155 #7 0x00007faa2b427bec in QThreadPrivate::start (arg=0x55f54fdb6900) at thread/qthread_unix.cpp:329 #8 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7faa1e1ba700 (LWP 48187)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f54fa0542c) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f54fa053d8, cond=0x55f54fa05400) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55f54fa05400, mutex=0x55f54fa053d8) at pthread_cond_wait.c:647 #3 0x00007faa1f717e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007faa1f717a6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7faa17fff700 (LWP 48186)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f54fa05428) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f54fa053d8, cond=0x55f54fa05400) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55f54fa05400, mutex=0x55f54fa053d8) at pthread_cond_wait.c:647 #3 0x00007faa1f717e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007faa1f717a6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7faa1e9bb700 (LWP 48185)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f54fa05428) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f54fa053d8, cond=0x55f54fa05400) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55f54fa05400, mutex=0x55f54fa053d8) at pthread_cond_wait.c:647 #3 0x00007faa1f717e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007faa1f717a6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7faa1f1bc700 (LWP 48184)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f54fa05428) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f54fa053d8, cond=0x55f54fa05400) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55f54fa05400, mutex=0x55f54fa053d8) at pthread_cond_wait.c:647 #3 0x00007faa1f717e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007faa1f717a6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7faa25e17700 (LWP 48183)): #0 __GI___libc_read (nbytes=16, buf=0x7faa25e16aa0, fd=6) at ../sysdeps/unix/sysv/linux/read.c:26 #1 __GI___libc_read (fd=6, buf=buf@entry=0x7faa25e16aa0, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007faa29124b2f in read (__nbytes=16, __buf=0x7faa25e16aa0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44 #3 g_wakeup_acknowledge (wakeup=0x55f54f819dc0) at ../../../glib/gwakeup.c:210 #4 0x00007faa290dbebe in g_main_context_check (context=context@entry=0x7faa20000c20, max_priority=2147483647, fds=fds@entry=0x7faa20005240, n_fds=n_fds@entry=1) at ../../../glib/gmain.c:3825 #5 0x00007faa290dc312 in g_main_context_iterate (context=context@entry=0x7faa20000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044 #6 0x00007faa290dc4a3 in g_main_context_iteration (context=0x7faa20000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #7 0x00007faa2b667ffb in QEventDispatcherGlib::processEvents (this=0x7faa20000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #8 0x00007faa2b60c1eb in QEventLoop::exec (this=this@entry=0x7faa25e16cb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #9 0x00007faa2b426a52 in QThread::exec (this=this@entry=0x7faa2a167d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #10 0x00007faa2a0e3f4b in QDBusConnectionManager::run (this=0x7faa2a167d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179 #11 0x00007faa2b427bec in QThreadPrivate::start (arg=0x7faa2a167d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329 #12 0x00007faa29a9d609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #13 0x00007faa2b0a9293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7faa26ab68c0 (LWP 48181)): [KCrash Handler] #6 0x00007faa28daa794 in QWaylandClientExtensionPrivate::handleRegistryGlobal (data=0x55f55e7ea6c0, registry=0x55f54f7f8bc0, id=45, interface=..., version=1) at global/qwaylandclientextension.cpp:67 #7 0x00007faa28d86822 in QtWaylandClient::QWaylandDisplay::registry_global (this=<optimized out>, id=45, interface=..., version=1) at qwaylanddisplay.cpp:396 #8 0x00007faa28db4d16 in QtWayland::wl_registry::handle_global (data=0x55f54f7f6f00, object=<optimized out>, name=45, interface=0x55f55d8a3fb0 "org_kde_kwin_blur_manager", version=1) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:236 #9 0x00007faa26c88ff5 in ffi_call_unix64 () at ../src/x86/unix64.S:101 #10 0x00007faa26c8840a in ffi_call_int (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>, closure=<optimized out>) at ../src/x86/ffi64.c:669 #11 0x00007faa28d023a8 in wl_closure_invoke (closure=0x55f55d8a3ed0, flags=1, target=<optimized out>, opcode=0, data=<optimized out>) at ../src/connection.c:1018 #12 0x00007faa28cfec48 in dispatch_event (display=display@entry=0x55f54f7fb110, queue=<optimized out>) at ../src/wayland-client.c:1445 #13 0x00007faa28d0021c in dispatch_queue (queue=0x55f54f7fb1e0, display=0x55f54f7fb110) at ../src/wayland-client.c:1591 #14 wl_display_dispatch_queue_pending (display=0x55f54f7fb110, queue=0x55f54f7fb1e0) at ../src/wayland-client.c:1833 #15 0x00007faa28d00280 in wl_display_dispatch_pending (display=<optimized out>) at ../src/wayland-client.c:1896 #16 0x00007faa28d85f9f in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x55f54f7f6ef0) at qwaylanddisplay.cpp:221 #17 0x00007faa2b644730 in doActivate<false> (sender=0x55f54f870cd0, signal_index=4, argv=0x7ffed2d5da00) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395 #18 0x00007faa2b63dac7 in QMetaObject::activate (sender=sender@entry=0x55f54f870cd0, m=m@entry=0x7faa2b8a71c0 <QAbstractEventDispatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946 #19 0x00007faa2b60a287 in QAbstractEventDispatcher::awake (this=this@entry=0x55f54f870cd0) at .moc/moc_qabstracteventdispatcher.cpp:149 #20 0x00007faa2b66801c in QEventDispatcherGlib::processEvents (this=0x55f54f870cd0, flags=...) at kernel/qeventdispatcher_glib.cpp:430 #21 0x00007faa2b60c1eb in QEventLoop::exec (this=this@entry=0x7ffed2d5db20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #22 0x00007faa2b614394 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #23 0x000055f54e123272 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:208 [Inferior 1 (process 48181) detached] Reported using DrKonqi 2034446 1 nate 2021-05-20 18:39:30 +0000 Cannot reproduce. 2034476 2 kde 2021-05-20 20:56:35 +0000 Fixed recently in QtWayland 2034483 3 nate 2021-05-20 21:23:34 +0000 Can you add the URL for the change that fixed it or the relevant bug report? 2038641 4 nate 2021-06-08 19:15:27 +0000 *** This bug has been marked as a duplicate of bug 437455 ***