Bug 468243

Application: plasmashell (5.27.4)

Qt Version: 5.15.8
Frameworks Version: 5.104.0
Operating System: Linux 6.2.9-arch1-1 x86_64
Windowing System: X11
Distribution: "Arch Linux"
DrKonqi: 5.27.4 [KCrashBackend]

-- Information about the crash:
I can't reproduce it. It sometimes happens when a notification gets played

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[KCrash Handler]
#6  0x00007efdb6a78537 in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#7  0x00007efdb6a789a3 in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#8  0x00007efdb696b6f9 in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#9  0x00007efdb694550f in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#10 0x00007efdb6945b96 in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#11 0x00007efdb6939fe7 in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#12 0x00007efdb68f71f5 in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#13 0x00007efdbe753160 in ?? () from /usr/lib/libGLX_nvidia.so.0
#14 0x00007efdbe77ffbb in ?? () from /usr/lib/libGLX_nvidia.so.0
#15 0x00007efdc2e8ee73 in InternalMakeCurrentVendor (dpy=dpy@entry=0x5616cb149a30, draw=draw@entry=27263071, read=read@entry=27263071, ctxInfo=ctxInfo@entry=0x5616ce093600, callerOpcode=callerOpcode@entry=5 '\005', threadState=threadState@entry=0x7efd500019d0, vendor=0x5616cb2d0650) at ../libglvnd-v1.6.0/src/GLX/libglx.c:871
#16 0x00007efdc2e91214 in InternalMakeCurrentDispatch (dpy=dpy@entry=0x5616cb149a30, draw=draw@entry=27263071, read=read@entry=27263071, ctxInfo=0x5616ce093600, callerOpcode=callerOpcode@entry=5 '\005', vendor=0x5616cb2d0650) at ../libglvnd-v1.6.0/src/GLX/libglx.c:926
#17 0x00007efdc2e95dc7 in CommonMakeCurrent (dpy=0x5616cb149a30, draw=27263071, read=27263071, context=0x5616cd7133e8, callerOpcode=<optimized out>) at ../libglvnd-v1.6.0/src/GLX/libglx.c:1070
#18 0x00007efdbfdf0c19 in QGLXContext::makeCurrent (this=this@entry=0x5616cdf91b90, surface=0x5616cce82a00) at /usr/src/debug/qt5-base/qtbase/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp:571
#19 0x00007efdc538139c in QOpenGLContext::makeCurrent (this=0x7efdb0004890, surface=0x5616cce7d3a0) at kernel/qopenglcontext.cpp:992
#20 0x00007efdc69fd1c8 in QSGRenderThread::run (this=0x5616cdf93140) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1034
#21 0x00007efdc4ce432a in QThreadPrivate::start (arg=0x5616cdf93140) at thread/qthread_unix.cpp:330
#22 0x00007efdc469ebb5 in start_thread (arg=<optimized out>) at pthread_create.c:444
#23 0x00007efdc4720d90 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7efd5f1ff6c0 (LWP 12363) "CPMMListener"):
#1  __GI___lll_lock_wait (futex=futex@entry=0x7efdb7f53c40, private=0) at lowlevellock.c:49
#2  0x00007efdc46a1efa in lll_mutex_lock_optimized (mutex=0x7efdb7f53c40) at pthread_mutex_lock.c:48
#3  ___pthread_mutex_lock (mutex=0x7efdb7f53c40) at pthread_mutex_lock.c:128
#4  0x00007efdb690ed63 in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#5  0x00007efdb6913944 in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#6  0x00007efdb6913d5a in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#7  0x00007efdb691162a in ?? () from /usr/lib/libnvidia-glcore.so.530.41.03
#8  0x00007efdc469ebb5 in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007efdc4720d90 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7efd9e99f6c0 (LWP 12351) "QSGRenderThread"):
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5616cc6b83d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007efdc469b7cf in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5616cc6b83d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007efdc469df90 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5616cc6b8380, cond=0x5616cc6b83a8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5616cc6b83a8, mutex=0x5616cc6b8380) at pthread_cond_wait.c:618
#5  0x00007efdc4ceb7c4 in QWaitConditionPrivate::wait (deadline=..., this=0x5616cc6b8380) at thread/qwaitcondition_unix.cpp:146
#6  QWaitCondition::wait (this=this@entry=0x5616cb9b2ad8, mutex=mutex@entry=0x5616cb9b2ad0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#7  0x00007efdc69fd393 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x5616cb9b2ac8) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:257
#8  QSGRenderThread::processEventsAndWaitForMore (this=0x5616cb9b2a30) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:935
#9  QSGRenderThread::run (this=0x5616cb9b2a30) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1052
#10 0x00007efdc4ce432a in QThreadPrivate::start (arg=0x5616cb9b2a30) at thread/qthread_unix.cpp:330
#11 0x00007efdc469ebb5 in start_thread (arg=<optimized out>) at pthread_create.c:444
#12 0x00007efdc4720d90 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7efdbd3ff6c0 (LWP 12346) "QQmlThread"):
#1  __GI___libc_read (fd=25, buf=buf@entry=0x7efdbd3fe820, nbytes=nbytes@entry=8) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007efdc3ce0c20 in read (__nbytes=<optimized out>, __buf=<optimized out>, __fd=<optimized out>, __fd=<optimized out>, __buf=<optimized out>, __nbytes=<optimized out>) at /usr/include/bits/unistd.h:38
#3  g_wakeup_acknowledge (wakeup=<optimized out>) at ../glib/glib/gwakeup.c:216
#4  g_wakeup_acknowledge (wakeup=0x7efdac000df0) at ../glib/glib/gwakeup.c:208
#5  0x00007efdc3c95ba7 in g_main_context_check (context=0x7efdac000c30, max_priority=2147483647, fds=0x7efdac0013d0, n_fds=1) at ../glib/glib/gmain.c:4021
#6  0x00007efdc3cf2078 in g_main_context_iterate.constprop.0 (context=0x7efdac000c30, block=1, dispatch=1, self=<optimized out>) at ../glib/glib/gmain.c:4273
#7  0x00007efdc3c941a2 in g_main_context_iteration (context=0x7efdac000c30, may_block=1) at ../glib/glib/gmain.c:4343
#8  0x00007efdc4ed8c8f in QEventDispatcherGlib::processEvents (this=0x7efdac000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9  0x00007efdc4e866ec in QEventLoop::exec (this=0x7efdbd3feaa0, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#10 0x00007efdc4ce725f in QThread::exec (this=this@entry=0x5616cbab36d0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#11 0x00007efdc64c00e0 in QQmlThreadPrivate::run (this=0x5616cbab36d0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/qml/qml/ftw/qqmlthread.cpp:155
#12 0x00007efdc4ce432a in QThreadPrivate::start (arg=0x5616cbab36d0) at thread/qthread_unix.cpp:330
#13 0x00007efdc469ebb5 in start_thread (arg=<optimized out>) at pthread_create.c:444
#14 0x00007efdc4720d90 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7efdbfc036c0 (LWP 12344) "QDBusConnection"):
#1  0x00007efdc3cf217f in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7efdb8013ee0, timeout=<optimized out>, context=0x7efdb8000c50) at ../glib/glib/gmain.c:4584
#2  g_main_context_iterate.constprop.0 (context=0x7efdb8000c50, block=1, dispatch=1, self=<optimized out>) at ../glib/glib/gmain.c:4271
#3  0x00007efdc3c941a2 in g_main_context_iteration (context=0x7efdb8000c50, may_block=1) at ../glib/glib/gmain.c:4343
#4  0x00007efdc4ed8c8f in QEventDispatcherGlib::processEvents (this=0x7efdb8000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007efdc4e866ec in QEventLoop::exec (this=0x7efdbfc02a90, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007efdc4ce725f in QThread::exec (this=this@entry=0x7efdc61ff560 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007efdc61a3cba in QDBusConnectionManager::run (this=0x7efdc61ff560 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /usr/src/debug/qt5-base/qtbase/src/dbus/qdbusconnection.cpp:179
#8  0x00007efdc4ce432a in QThreadPrivate::start (arg=0x7efdc61ff560 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:330
#9  0x00007efdc469ebb5 in start_thread (arg=<optimized out>) at pthread_create.c:444
#10 0x00007efdc4720d90 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7efdc0152f80 (LWP 12343) "plasmashell"):
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5616cdf93700, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007efdc469b7cf in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5616cdf93700, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007efdc469df90 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5616cdf936b0, cond=0x5616cdf936d8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5616cdf936d8, mutex=0x5616cdf936b0) at pthread_cond_wait.c:618
#5  0x00007efdc4ceb7c4 in QWaitConditionPrivate::wait (deadline=..., this=0x5616cdf936b0) at thread/qwaitcondition_unix.cpp:146
#6  QWaitCondition::wait (this=<optimized out>, mutex=0x5616cdf93198, deadline=...) at thread/qwaitcondition_unix.cpp:225
#7  0x00007efdc6a024d0 in QSGThreadedRenderLoop::polishAndSync (this=this@entry=0x5616cc382fd0, w=w@entry=0x5616cdf93040, inExpose=inExpose@entry=true) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1603
#8  0x00007efdc6a032c1 in QSGThreadedRenderLoop::handleExposure (window=<optimized out>, this=0x5616cc382fd0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1374
#9  QSGThreadedRenderLoop::exposureChanged (this=0x5616cc382fd0, window=<optimized out>) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1268
#10 0x00007efdc53559f7 in QWindow::event (this=0x5616cce7d390, ev=<optimized out>) at kernel/qwindow.cpp:2429
#11 0x00007efdc5b78b5c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5616cce7d390, e=0x7ffd4da93910) at kernel/qapplication.cpp:3640
#12 0x00007efdc4e8df48 in QCoreApplication::notifyInternal2 (receiver=0x5616cce7d390, event=0x7ffd4da93910) at kernel/qcoreapplication.cpp:1064
#13 0x00007efdc4e8dfd3 in QCoreApplication::sendSpontaneousEvent (receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:1474
#14 0x00007efdc53498a4 in QGuiApplicationPrivate::processExposeEvent (e=0x5616cc9c3a40) at kernel/qguiapplication.cpp:3261
#15 0x00007efdc53288d5 in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1169
#16 0x00007efdbfcfd8d0 in xcbSourceDispatch (source=<optimized out>) at /usr/src/debug/qt5-base/qtbase/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:105
#17 0x00007efdc3c9553b in g_main_dispatch (context=0x7efdb8000ee0) at ../glib/glib/gmain.c:3460
#18 g_main_context_dispatch (context=0x7efdb8000ee0) at ../glib/glib/gmain.c:4200
#19 0x00007efdc3cf2219 in g_main_context_iterate.constprop.0 (context=0x7efdb8000ee0, block=1, dispatch=1, self=<optimized out>) at ../glib/glib/gmain.c:4276
#20 0x00007efdc3c941a2 in g_main_context_iteration (context=0x7efdb8000ee0, may_block=1) at ../glib/glib/gmain.c:4343
#21 0x00007efdc4ed8c6c in QEventDispatcherGlib::processEvents (this=0x5616cb2ce490, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#22 0x00007efdc4e866ec in QEventLoop::exec (this=0x7ffd4da93bf0, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#23 0x00007efdc4e91219 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#24 0x00007efdc533a052 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1870
#25 0x00007efdc5b76f2a in QApplication::exec () at kernel/qapplication.cpp:2832
#26 0x00005616ca06e168 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-5.27.4.1/shell/main.cpp:235
[Inferior 1 (process 12343) detached]

Reported using DrKonqi