Bug 445124

Summary: System Monitor crashed on close
Product: [Applications] plasma-systemmonitor Reporter: Patrick Silva <bugseforuns>
Component: generalAssignee: KSysGuard Developers <ksysguard-bugs>
Status: RESOLVED FIXED    
Severity: crash CC: ahiemstra, nate, plasma-bugs-null
Priority: NOR    
Version First Reported In: master   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Patrick Silva 2021-11-07 15:30:27 UTC 
SUMMARY
I repeatedly opened System Monitor via middle-click on several widgets placed on desktop and closed it.
At some point, System Monitor crashed on close.

Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.23.80
KDE Frameworks Version: 5.88.0
Qt Version: 5.15.3
Graphics Platform: Wayland


Thread 12 (Thread 0x7f7f36e2e700 (LWP 14131)):
#0  0x00007f7f3bcabaff in __GI___poll (fds=0x7f7f30005240, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7f3a5fd36e in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f7f30005240, timeout=<optimized out>, context=0x7f7f30000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f7f30000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f7f3a5fd4a3 in g_main_context_iteration (context=0x7f7f30000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f7f3c279602 in QEventDispatcherGlib::processEvents (this=0x7f7f30000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f7f3c21d8ab in QEventLoop::exec (this=this@entry=0x7f7f36e2dbb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f7f3c0372c2 in QThread::exec (this=this@entry=0x7f7f3d855d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f7f3d7d1f4b in QDBusConnectionManager::run (this=0x7f7f3d855d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#8  0x00007f7f3c03845c in QThreadPrivate::start (arg=0x7f7f3d855d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329
#9  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f7f07fff700 (LWP 14144)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f7f07ffeb50, clockid=<optimized out>, expected=0, futex_word=0x55bf3e18f464) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f7f07ffeb50, clockid=<optimized out>, mutex=0x55bf3e18f410, cond=0x55bf3e18f438) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55bf3e18f438, mutex=0x55bf3e18f410, abstime=0x7f7f07ffeb50) at pthread_cond_wait.c:665
#3  0x00007f7f3c03e558 in QWaitConditionPrivate::wait_relative (this=0x55bf3e18f410, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55bf3e18f410) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55bf3e19d850, mutex=mutex@entry=0x55bf3dadd538, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f7f3c03ba61 in QThreadPoolThread::run (this=0x55bf3e19d840) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f7f3c03845c in QThreadPrivate::start (arg=0x55bf3e19d840) at thread/qthread_unix.cpp:329
#8  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f7f1effd700 (LWP 14135)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bf3a509d8c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf3a509d38, cond=0x55bf3a509d60) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55bf3a509d60, mutex=0x55bf3a509d38) at pthread_cond_wait.c:647
#3  0x00007f7f34c58a4b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7f34c5864b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f7f277fe700 (LWP 14134)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bf3a509d8c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf3a509d38, cond=0x55bf3a509d60) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55bf3a509d60, mutex=0x55bf3a509d38) at pthread_cond_wait.c:647
#3  0x00007f7f34c58a4b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7f34c5864b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f7f27fff700 (LWP 14133)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bf3a509d8c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf3a509d38, cond=0x55bf3a509d60) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55bf3a509d60, mutex=0x55bf3a509d38) at pthread_cond_wait.c:647
#3  0x00007f7f34c58a4b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7f34c5864b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f7f348eb700 (LWP 14132)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bf3a509d8c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf3a509d38, cond=0x55bf3a509d60) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55bf3a509d60, mutex=0x55bf3a509d38) at pthread_cond_wait.c:647
#3  0x00007f7f34c58a4b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7f34c5864b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f7f1cc1d700 (LWP 14143)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f7f1cc1cb50, clockid=<optimized out>, expected=0, futex_word=0x55bf3dbdfe50) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f7f1cc1cb50, clockid=<optimized out>, mutex=0x55bf3dbdfe00, cond=0x55bf3dbdfe28) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55bf3dbdfe28, mutex=0x55bf3dbdfe00, abstime=0x7f7f1cc1cb50) at pthread_cond_wait.c:665
#3  0x00007f7f3c03e558 in QWaitConditionPrivate::wait_relative (this=0x55bf3dbdfe00, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55bf3dbdfe00) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55bf3e19d130, mutex=mutex@entry=0x55bf3dadd538, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f7f3c03ba61 in QThreadPoolThread::run (this=0x55bf3e19d120) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f7f3c03845c in QThreadPrivate::start (arg=0x55bf3e19d120) at thread/qthread_unix.cpp:329
#8  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f7f25c01700 (LWP 14136)):
#0  0x00007f7f3bcabaff in __GI___poll (fds=0x7f7f10004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7f3a5fd36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f7f10004e60, timeout=<optimized out>, context=0x7f7f10000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f7f10000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f7f3a5fd4a3 in g_main_context_iteration (context=0x7f7f10000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f7f3c279602 in QEventDispatcherGlib::processEvents (this=0x7f7f10000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f7f3c21d8ab in QEventLoop::exec (this=this@entry=0x7f7f25c00bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f7f3c0372c2 in QThread::exec (this=this@entry=0x55bf3a86b070) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f7f3c8e7549 in QQmlThreadPrivate::run (this=0x55bf3a86b070) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f7f3c03845c in QThreadPrivate::start (arg=0x55bf3a86b070) at thread/qthread_unix.cpp:329
#9  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f7f378f09c0 (LWP 14130)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bf3abd78b4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf3abd7860, cond=0x55bf3abd7888) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55bf3abd7888, mutex=0x55bf3abd7860) at pthread_cond_wait.c:647
#3  0x00007f7f3c03e5cb in QWaitConditionPrivate::wait (deadline=..., this=0x55bf3abd7860) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55bf3abd7708, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f7f3b824d61 in QSGThreadedRenderLoop::handleObscurity (this=this@entry=0x55bf3a6bf430, w=0x55bf3abd79f0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f7f3b824e6a in QSGThreadedRenderLoop::hide (this=0x55bf3a6bf430, window=0x55bf3a399e30) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:570
#7  0x00007f7f3cb8ce0d in QWindow::event (this=this@entry=0x55bf3a399e30, ev=ev@entry=0x7ffe892a0e30) at kernel/qwindow.cpp:2438
#8  0x00007f7f3b891f7b in QQuickWindow::event (this=0x55bf3a399e30, e=0x7ffe892a0e30) at items/qquickwindow.cpp:1902
#9  0x00007f7f3d277dc3 in QApplicationPrivate::notify_helper (this=this@entry=0x55bf3a302620, receiver=receiver@entry=0x55bf3a399e30, e=e@entry=0x7ffe892a0e30) at kernel/qapplication.cpp:3632
#10 0x00007f7f3d280bb8 in QApplication::notify (this=0x7ffe892a1960, receiver=0x55bf3a399e30, e=0x7ffe892a0e30) at kernel/qapplication.cpp:3156
#11 0x00007f7f3c21edaa in QCoreApplication::notifyInternal2 (receiver=0x55bf3a399e30, event=0x7ffe892a0e30) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#12 0x00007f7f3cb8ca06 in QWindowPrivate::setVisible (this=0x55bf3a6a4980, visible=<optimized out>) at kernel/qwindow.cpp:412
#13 0x00007f7f3cb8be61 in QWindowPrivate::destroy (this=0x55bf3a6a4980) at kernel/qwindow.cpp:1986
#14 QWindowPrivate::destroy (this=0x55bf3a6a4980) at kernel/qwindow.cpp:1957
#15 0x00007f7f3cb8ceac in QWindow::event (this=this@entry=0x55bf3a399e30, ev=ev@entry=0x7ffe892a1220) at kernel/qwindow.cpp:2401
#16 0x00007f7f3b891f7b in QQuickWindow::event (this=0x55bf3a399e30, e=0x7ffe892a1220) at items/qquickwindow.cpp:1902
#17 0x00007f7f3d277dc3 in QApplicationPrivate::notify_helper (this=this@entry=0x55bf3a302620, receiver=receiver@entry=0x55bf3a399e30, e=e@entry=0x7ffe892a1220) at kernel/qapplication.cpp:3632
#18 0x00007f7f3d280bb8 in QApplication::notify (this=0x7ffe892a1960, receiver=0x55bf3a399e30, e=0x7ffe892a1220) at kernel/qapplication.cpp:3156
#19 0x00007f7f3c21edaa in QCoreApplication::notifyInternal2 (receiver=0x55bf3a399e30, event=0x7ffe892a1220) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#20 0x00007f7f3cb7e385 in QGuiApplicationPrivate::processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent*) () at /usr/include/c++/9/bits/atomic_base.h:413
#21 0x00007f7f3cb82b6c in QGuiApplicationPrivate::processWindowSystemEvent (e=0x55bf3ac47b00) at kernel/qguiapplication.cpp:2046
#22 0x00007f7f3cb5ac95 in QWindowSystemInterfacePrivate::handleWindowSystemEvent<QWindowSystemInterface::SynchronousDelivery> (ev=0x55bf3ac47b00) at kernel/qwindowsysteminterface.cpp:106
#23 0x00007f7f3793aff5 in ffi_call_unix64 () at ../src/x86/unix64.S:101
#24 0x00007f7f3793a40a 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
#25 0x00007f7f37aae3a8 in wl_closure_invoke (closure=0x7f7f14276970, flags=1, target=<optimized out>, opcode=1, data=<optimized out>) at ../src/connection.c:1018
#26 0x00007f7f37aaac48 in dispatch_event (display=display@entry=0x55bf3a308dd0, queue=<optimized out>) at ../src/wayland-client.c:1445
#27 0x00007f7f37aac21c in dispatch_queue (queue=0x55bf3a308ea0, display=0x55bf3a308dd0) at ../src/wayland-client.c:1591
#28 wl_display_dispatch_queue_pending (display=0x55bf3a308dd0, queue=0x55bf3a308ea0) at ../src/wayland-client.c:1833
#29 0x00007f7f37aac280 in wl_display_dispatch_pending (display=<optimized out>) at ../src/wayland-client.c:1896
#30 0x00007f7f37b3217f in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x55bf3a3053d0) at qwaylanddisplay.cpp:222
#31 0x00007f7f3c255e00 in doActivate<false> (sender=0x55bf3a32c110, signal_index=4, argv=0x7ffe892a1770) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#32 0x00007f7f3c24f197 in QMetaObject::activate (sender=sender@entry=0x55bf3a32c110, m=m@entry=0x7f7f3c4ba1c0 <QAbstractEventDispatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946
#33 0x00007f7f3c21b947 in QAbstractEventDispatcher::awake (this=this@entry=0x55bf3a32c110) at .moc/moc_qabstracteventdispatcher.cpp:149
#34 0x00007f7f3c27963c in QEventDispatcherGlib::processEvents (this=0x55bf3a32c110, flags=...) at kernel/qeventdispatcher_glib.cpp:430
#35 0x00007f7f3c21d8ab in QEventLoop::exec (this=this@entry=0x7ffe892a1890, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#36 0x00007f7f3c225a64 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#37 0x000055bf39b5e1bf in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:159

Thread 3 (Thread 0x7f7f077fe700 (LWP 14145)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f7f077fdb50, clockid=<optimized out>, expected=0, futex_word=0x55bf3e19dfc4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f7f077fdb50, clockid=<optimized out>, mutex=0x55bf3e19df70, cond=0x55bf3e19df98) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55bf3e19df98, mutex=0x55bf3e19df70, abstime=0x7f7f077fdb50) at pthread_cond_wait.c:665
#3  0x00007f7f3c03e558 in QWaitConditionPrivate::wait_relative (this=0x55bf3e19df70, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55bf3e19df70) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55bf3e19df50, mutex=mutex@entry=0x55bf3dadd538, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f7f3c03ba61 in QThreadPoolThread::run (this=0x55bf3e19df40) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f7f3c03845c in QThreadPrivate::start (arg=0x55bf3e19df40) at thread/qthread_unix.cpp:329
#8  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f7f1d41e700 (LWP 14142)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f7f1d41db50, clockid=<optimized out>, expected=0, futex_word=0x55bf3dc4c8b0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f7f1d41db50, clockid=<optimized out>, mutex=0x55bf3dc4c860, cond=0x55bf3dc4c888) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55bf3dc4c888, mutex=0x55bf3dc4c860, abstime=0x7f7f1d41db50) at pthread_cond_wait.c:665
#3  0x00007f7f3c03e558 in QWaitConditionPrivate::wait_relative (this=0x55bf3dc4c860, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55bf3dc4c860) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55bf3dc4b270, mutex=mutex@entry=0x55bf3dadd538, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f7f3c03ba61 in QThreadPoolThread::run (this=0x55bf3dc4b260) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f7f3c03845c in QThreadPrivate::start (arg=0x55bf3dc4b260) at thread/qthread_unix.cpp:329
#8  0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f7f1fa8d700 (LWP 14137)):
#0  __GI_raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007f7f3a31ee95 in KCrash::defaultCrashHandler (sig=11) at ./src/kcrash.cpp:605
#2  <signal handler called>
#3  0x00007f7f35bd143f in ?? () from /lib/x86_64-linux-gnu/libEGL_mesa.so.0
#4  0x00007f7f35bd1868 in ?? () from /lib/x86_64-linux-gnu/libEGL_mesa.so.0
#5  0x00007f7f34bb494c in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#6  0x00007f7f34bb50d9 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#7  0x00007f7f34bb1547 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#8  0x00007f7f3b7c2b4a in QSGBatchRenderer::Renderer::renderBatches (this=this@entry=0x7f7f1400c670) at ../../include/QtQuick/5.15.3/QtQuick/private/../../../../../src/quick/scenegraph/coreapi/qsgrenderer_p.h:131
#9  0x00007f7f3b7c326a in QSGBatchRenderer::Renderer::render (this=<optimized out>) at scenegraph/coreapi/qsgbatchrenderer.cpp:4363
#10 0x00007f7f3b7a6e24 in QSGRenderer::renderScene (bindable=..., this=0x7f7f1400c670) at scenegraph/coreapi/qsgrenderer.cpp:264
#11 QSGRenderer::renderScene (this=0x7f7f1400c670, bindable=...) at scenegraph/coreapi/qsgrenderer.cpp:220
#12 0x00007f7f3b7a72f3 in QSGRenderer::renderScene (this=<optimized out>, fboId=<optimized out>) at scenegraph/coreapi/qsgrenderer.cpp:212
#13 0x00007f7f3b816087 in QSGDefaultRenderContext::renderNextFrame (this=0x55bf3a87fd60, renderer=0x7f7f1400c670, fboId=<optimized out>) at scenegraph/qsgdefaultrendercontext.cpp:228
#14 0x00007f7f3b8839d9 in QQuickWindowPrivate::renderSceneGraph (this=this@entry=0x55bf3a6a4980, size=..., surfaceSize=...) at items/qquickwindow.cpp:617
#15 0x00007f7f3b823bc9 in QSGRenderThread::syncAndRender (this=0x55bf3abd76b0, grabImage=0x0) at /usr/include/x86_64-linux-gnu/qt5/QtGui/5.15.3/QtGui/private/qrhi_p.h:1259
#16 0x00007f7f3b828057 in QSGRenderThread::run (this=0x55bf3abd76b0) at scenegraph/qsgthreadedrenderloop.cpp:1043
#17 0x00007f7f3c03845c in QThreadPrivate::start (arg=0x55bf3abd76b0) at thread/qthread_unix.cpp:329
#18 0x00007f7f3b1f5609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#19 0x00007f7f3bcb8293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Comment 1 Nate Graham 2021-11-09 03:52:52 UTC 
Looks GPU related
Comment 2 Patrick Silva 2022-06-15 23:17:16 UTC 
This crash hasn't happened for a while.