https://bugs.kde.org/show_bug.cgi?id=363388
--- Comment #2 from Con Kolivas <k...@kolivas.org> --- And this is the third sort of crash backtrace I get from the same circumstances after trying to restart plasmashell once its crashed (which looks familiar to the switch user backtrace I've seen before) Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 [Current thread is 1 (Thread 0x7efcf43ba900 (LWP 28405))] Thread 8 (Thread 0x7efcded49700 (LWP 28408)): #0 0x00007efceeacae8d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007efcf2b8fc62 in _xcb_conn_wait (__timeout=-1, __nfds=1, __fds=0x7efcded48bc0) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46 #2 0x00007efcf2b8fc62 in _xcb_conn_wait (c=c@entry=0x103f770, cond=cond@entry=0x103f7b0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:459 #3 0x00007efcf2b918d7 in xcb_wait_for_event (c=0x103f770) at ../../src/xcb_in.c:693 #4 0x00007efce14c9629 in QXcbEventReader::run() (this=0x104d8d0) at qxcbconnection.cpp:1253 #5 0x00007efcef1c084e in QThreadPrivate::start(void*) (arg=0x104d8d0) at thread/qthread_unix.cpp:331 #6 0x00007efcee2ad6fa in start_thread (arg=0x7efcded49700) at pthread_create.c:333 #7 0x00007efceead6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7efcd7be2700 (LWP 28410)): #0 0x00007efceeac69cd in read () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007efce7677073 in () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.361.42 #2 0x00007efceb8a36c0 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7efcd7be1aa0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44 #3 0x00007efceb8a36c0 in g_wakeup_acknowledge (wakeup=0x7efcd80015b0) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gwakeup.c:210 #4 0x00007efceb85fe04 in g_main_context_check (context=context@entry=0x7efcd0000990, max_priority=2147483647, fds=fds@entry=0x7efcd0003070, n_fds=n_fds@entry=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3632 #5 0x00007efceb8602c0 in g_main_context_iterate (context=context@entry=0x7efcd0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3837 #6 0x00007efceb86042c in g_main_context_iteration (context=0x7efcd0000990, may_block=may_block@entry=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901 #7 0x00007efcef3f7a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7efcd00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420 #8 0x00007efcef39edea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7efcd7be1ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #9 0x00007efcef1bb8a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503 #10 0x00007efcf1a633c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #11 0x00007efcef1c084e in QThreadPrivate::start(void*) (arg=0x114fff0) at thread/qthread_unix.cpp:331 #12 0x00007efcee2ad6fa in start_thread (arg=0x7efcd7be2700) at pthread_create.c:333 #13 0x00007efceead6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7efccd4fe700 (LWP 28411)): #0 0x00007efceeac69cd in read () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007efce7677073 in () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.361.42 #2 0x00007efceb8a36c0 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7efccd4fdaa0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44 #3 0x00007efceb8a36c0 in g_wakeup_acknowledge (wakeup=0x7efcd00025a0) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gwakeup.c:210 #4 0x00007efceb85fe04 in g_main_context_check (context=context@entry=0x7efcc8000990, max_priority=2147483647, fds=fds@entry=0x7efcc8002e70, n_fds=n_fds@entry=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3632 #5 0x00007efceb8602c0 in g_main_context_iterate (context=context@entry=0x7efcc8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3837 #6 0x00007efceb86042c in g_main_context_iteration (context=0x7efcc8000990, may_block=may_block@entry=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901 #7 0x00007efcef3f7a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7efcc80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420 #8 0x00007efcef39edea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7efccd4fdca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #9 0x00007efcef1bb8a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503 #10 0x00007efcf1a633c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #11 0x00007efcef1c084e in QThreadPrivate::start(void*) (arg=0x1439660) at thread/qthread_unix.cpp:331 #12 0x00007efcee2ad6fa in start_thread (arg=0x7efccd4fe700) at pthread_create.c:333 #13 0x00007efceead6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7efcc734a700 (LWP 28412)): #0 0x00007efceb8a4a49 in g_mutex_lock (mutex=mutex@entry=0x7efcc0000990) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gthread-posix.c:1338 #1 0x00007efceb85f8b9 in g_main_context_prepare (context=context@entry=0x7efcc0000990, priority=priority@entry=0x7efcc7349b70) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3444 #2 0x00007efceb86024b in g_main_context_iterate (context=context@entry=0x7efcc0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3820 #3 0x00007efceb86042c in g_main_context_iteration (context=0x7efcc0000990, may_block=may_block@entry=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901 #4 0x00007efcef3f7a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7efcc00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420 #5 0x00007efcef39edea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7efcc7349ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #6 0x00007efcef1bb8a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503 #7 0x00007efcf1a633c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007efcef1c084e in QThreadPrivate::start(void*) (arg=0x1618c10) at thread/qthread_unix.cpp:331 #9 0x00007efcee2ad6fa in start_thread (arg=0x7efcc734a700) at pthread_create.c:333 #10 0x00007efceead6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7efcc59e8700 (LWP 28413)): #0 0x00007efcee2b33a0 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007efcf3e08bd4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #2 0x00007efcf3e08c19 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #3 0x00007efcee2ad6fa in start_thread (arg=0x7efcc59e8700) at pthread_create.c:333 #4 0x00007efceead6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7efc3edda700 (LWP 28414)): #0 0x00007efceeac69cd in read () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007efce7677073 in () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.361.42 #2 0x00007efceb8a36c0 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7efc3edd9a50, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44 #3 0x00007efceb8a36c0 in g_wakeup_acknowledge (wakeup=0x7efcc0002780) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gwakeup.c:210 #4 0x00007efceb85fe04 in g_main_context_check (context=context@entry=0x7efc38000990, max_priority=2147483647, fds=fds@entry=0x7efc38003060, n_fds=n_fds@entry=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3632 #5 0x00007efceb8602c0 in g_main_context_iterate (context=context@entry=0x7efc38000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3837 #6 0x00007efceb86042c in g_main_context_iteration (context=0x7efc38000990, may_block=may_block@entry=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901 #7 0x00007efcef3f7a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7efc380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420 #8 0x00007efcef39edea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7efc3edd9c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #9 0x00007efcef1bb8a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503 #10 0x00007efcf23e9ed6 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #11 0x00007efcef1c084e in QThreadPrivate::start(void*) (arg=0x18ac1c0) at thread/qthread_unix.cpp:331 #12 0x00007efcee2ad6fa in start_thread (arg=0x7efc3edda700) at pthread_create.c:333 #13 0x00007efceead6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7efc3e5d9700 (LWP 28415)): [KCrash Handler] #6 0x00007efceea7968d in __strstr_sse2_unaligned () at ../sysdeps/x86_64/multiarch/strstr-sse2-unaligned.S:40 #7 0x00007efcf243caca in QSGRenderContext::initialize(QOpenGLContext*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007efcf2460409 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007efcef1c084e in QThreadPrivate::start(void*) (arg=0x17bbfc0) at thread/qthread_unix.cpp:331 #10 0x00007efcee2ad6fa in start_thread (arg=0x7efc3e5d9700) at pthread_create.c:333 #11 0x00007efceead6b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7efcf43ba900 (LWP 28405)): #0 0x00007efcee2b33a0 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007efcef1c1aeb in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x17fb6e0) at thread/qwaitcondition_unix.cpp:136 #2 0x00007efcef1c1aeb in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x17bc000, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208 #3 0x00007efcf245cbc6 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007efcf245f09c in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #5 0x00007efcf245f733 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007efcef6ec2e5 in QWindow::event(QEvent*) (this=0x17b9c80, ev=<optimized out>) at kernel/qwindow.cpp:2060 #7 0x00007efcf2492871 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x000000000043f206 in DesktopView::event(QEvent*) (this=0x17b9c80, e=0x7ffdf328adc0) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/desktopview.cpp:205 #9 0x00007efcefea405c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x1019460, receiver=receiver@entry=0x17b9c80, e=e@entry=0x7ffdf328adc0) at kernel/qapplication.cpp:3716 #10 0x00007efcefea9516 in QApplication::notify(QObject*, QEvent*) (this=0x7ffdf328b1e0, receiver=0x17b9c80, e=0x7ffdf328adc0) at kernel/qapplication.cpp:3499 #11 0x00007efcef3a162b in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffdf328b1e0, receiver=receiver@entry=0x17b9c80, event=event@entry=0x7ffdf328adc0) at kernel/qcoreapplication.cpp:965 #12 0x00007efcef6e44ec in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) (event=0x7ffdf328adc0, receiver=0x17b9c80) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:227 #13 0x00007efcef6e44ec in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) (e=0x17b7130) at kernel/qguiapplication.cpp:2663 #14 0x00007efcef6e525d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (e=e@entry=0x17b7130) at kernel/qguiapplication.cpp:1658 #15 0x00007efcef6c8f38 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=...) at kernel/qwindowsysteminterface.cpp:625 #16 0x00007efce14faf10 in userEventSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70 #17 0x00007efceb860127 in g_main_context_dispatch (context=0x7efcd8001710) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3154 #18 0x00007efceb860127 in g_main_context_dispatch (context=context@entry=0x7efcd8001710) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3769 #19 0x00007efceb860380 in g_main_context_iterate (context=context@entry=0x7efcd8001710, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3840 #20 0x00007efceb86042c in g_main_context_iteration (context=0x7efcd8001710, may_block=may_block@entry=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901 #21 0x00007efcef3f7a7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x107da70, flags=...) at kernel/qeventdispatcher_glib.cpp:418 #22 0x00007efcef39edea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffdf328b080, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #23 0x00007efcef3a6e8c in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229 #24 0x00007efcef6dac3c in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1542 #25 0x00007efcefea0495 in QApplication::exec() () at kernel/qapplication.cpp:2976 #26 0x0000000000432d4a in main(int, char**) (argc=3, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181 -- You are receiving this mail because: You are watching all bug changes.
