Created attachment 132668 [details] drkonqi report I am not able to reproduce the issue, but it happened during ejection of my usb hard drive. The screen went black and then came back again with drkoni. First time happening since plasma 5.20 upgrade, was not present before.
Application: kded5 (kded5), signal: Segmentation fault [New LWP 6627] [New LWP 6629] [New LWP 6632] [New LWP 6663] [New LWP 6664] [New LWP 6665] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 0x00007f92ac086aff in __GI___poll (fds=0x7ffc77b04368, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29 [Current thread is 1 (Thread 0x7f92a9107800 (LWP 6626))] Thread 7 (Thread 0x7f928e7fc700 (LWP 6665)): #0 0x00007f92ac086aff in __GI___poll (fds=0x7f9264016290, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f92ab2601ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f92ab260533 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9294ac0eda in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f92ab289931 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f92abbcc609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92ac093293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f928effd700 (LWP 6664)): #0 0x00007f92ac086aff in __GI___poll (fds=0x5585976a4390, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f92ab2601ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f92ab2602e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f92947c299d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so #4 0x00007f92ab289931 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f92abbcc609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92ac093293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f928f7fe700 (LWP 6663)): #0 0x00007f92ac086aff in __GI___poll (fds=0x5585976a0960, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f92ab2601ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f92ab2602e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f92ab260331 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f92ab289931 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f92abbcc609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92ac093293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f92a54e0700 (LWP 6632)): #0 0x00007f92ac4127a3 in QMutex::unlock (this=this@entry=0x5585974fee00) at /usr/include/c++/9/bits/atomic_base.h:769 #1 0x00007f92ac64edb2 in QMutexLocker::unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270 #2 QMutexLocker::~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:243 #3 QThreadData::canWaitLocked (this=0x5585974fedd0) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:272 #4 postEventSourcePrepare (s=0x7f929c0047b0, timeout=0x7f92a54dfbd4) at kernel/qeventdispatcher_glib.cpp:260 #5 0x00007f92ab25f72f in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007f92ab2600db in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #7 0x00007f92ab2602e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #8 0x00007f92ac64eeab in QEventDispatcherGlib::processEvents (this=0x7f929c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #9 0x00007f92ac5f31bb in QEventLoop::exec (this=this@entry=0x7f92a54dfda0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #10 0x00007f92ac411082 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #11 0x00007f92ac41220c in QThreadPrivate::start (arg=0x558597582210) at thread/qthread_unix.cpp:342 #12 0x00007f92abbcc609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #13 0x00007f92ac093293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f92a5e8b700 (LWP 6629)): #0 0x00007f92ac086aff in __GI___poll (fds=0x7f92980a4c00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f92ab2601ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f92ab2602e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f92ac64eeab in QEventDispatcherGlib::processEvents (this=0x7f9298000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #4 0x00007f92ac5f31bb in QEventLoop::exec (this=this@entry=0x7f92a5e8ad70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #5 0x00007f92ac411082 in QThread::exec (this=this@entry=0x7f92aca2ed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #6 0x00007f92ac9abf2b in QDBusConnectionManager::run (this=0x7f92aca2ed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179 #7 0x00007f92ac41220c in QThreadPrivate::start (arg=0x7f92aca2ed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:342 #8 0x00007f92abbcc609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007f92ac093293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f92a8713700 (LWP 6627)): #0 0x00007f92ac086aff in __GI___poll (fds=0x7f92a8712ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f92ab1efc1a in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f92ab1f190a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f92a8d04978 in QXcbEventQueue::run (this=0x5585973782d0) at qxcbeventqueue.cpp:228 #4 0x00007f92ac41220c in QThreadPrivate::start (arg=0x5585973782d0) at thread/qthread_unix.cpp:342 #5 0x00007f92abbcc609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f92ac093293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f92a9107800 (LWP 6626)): [KCrash Handler] #4 std::__atomic_base<int>::load (__m=std::memory_order_relaxed, this=0x0) at /usr/include/c++/9/bits/atomic_base.h:413 #5 QAtomicOps<int>::loadRelaxed<int> (_q_value=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:239 #6 QBasicAtomicInteger<int>::loadRelaxed (this=0x0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:107 #7 QtPrivate::RefCount::ref (this=0x0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qrefcount.h:55 #8 QString::QString (other=..., this=0x7ffc77b04c88) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:1089 #9 Device::udi (this=0x558597766740) at ./src/device.h:35 #10 SMARTMonitor::<lambda(Device*)>::operator() (dev=0x558597766740, __closure=0x7ffc77b04ca0) at ./src/smartmonitor.cpp:55 #11 __gnu_cxx::__ops::_Iter_pred<SMARTMonitor::removeUDI(const QString&)::<lambda(Device*)> >::operator()<Device**> (__it=0x558597950270, this=0x7ffc77b04ca0) at /usr/include/c++/9/bits/predefined_ops.h:283 #12 std::__find_if<Device**, __gnu_cxx::__ops::_Iter_pred<SMARTMonitor::removeUDI(const QString&)::<lambda(Device*)> > > (__pred=..., __last=0x558597950278, __first=0x558597950270) at /usr/include/c++/9/bits/stl_algo.h:148 #13 std::__find_if<Device**, __gnu_cxx::__ops::_Iter_pred<SMARTMonitor::removeUDI(const QString&)::<lambda(Device*)> > > (__pred=..., __last=0x558597950278, __first=<optimized out>) at /usr/include/c++/9/bits/stl_algo.h:161 #14 std::__remove_if<Device**, __gnu_cxx::__ops::_Iter_pred<SMARTMonitor::removeUDI(const QString&)::<lambda(Device*)> > > (__pred=..., __last=0x558597950278, __first=<optimized out>) at /usr/include/c++/9/bits/stl_algo.h:863 #15 std::remove_if<Device**, SMARTMonitor::removeUDI(const QString&)::<lambda(Device*)> > (__pred=..., __last=0x558597950278, __first=<optimized out>) at /usr/include/c++/9/bits/stl_algo.h:939 #16 SMARTMonitor::removeUDI (this=<optimized out>, udi=...) at ./src/smartmonitor.cpp:54 #17 0x00007f92ac62b5ae in QtPrivate::QSlotObjectBase::call (a=0x7ffc77b04de0, r=0x5585979bdf58, this=0x55859773d2a0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398 #18 doActivate<false> (sender=0x55859772eb60, signal_index=4, argv=0x7ffc77b04de0) at kernel/qobject.cpp:3886 #19 0x00007f92ac624977 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f92a673bd60 <Solid::DeviceNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffc77b04de0) at kernel/qobject.cpp:3946 #20 0x00007f92a668c699 in Solid::DeviceNotifier::deviceRemoved (this=<optimized out>, _t1=...) at ./obj-x86_64-linux-gnu/src/solid/KF5Solid_autogen/include/moc_devicenotifier.cpp:151 #21 0x00007f92ac62b5e0 in doActivate<false> (sender=0x5585976abd60, signal_index=4, argv=0x7ffc77b04ef0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395 #22 0x00007f92ac624977 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f92a673b580 <Solid::Ifaces::DeviceManager::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffc77b04ef0) at kernel/qobject.cpp:3946 #23 0x00007f92a6678279 in Solid::Ifaces::DeviceManager::deviceRemoved (this=<optimized out>, _t1=...) at ./obj-x86_64-linux-gnu/src/solid/KF5Solid_autogen/3PYKXLVNWF/moc_devicemanager.cpp:151 #24 0x00007f92a66cb063 in Solid::Backends::UDisks2::Manager::slotInterfacesRemoved (this=0x5585976abd60, object_path=..., interfaces=...) at ./src/solid/devices/backends/udisks2/udisksmanager.cpp:239 #25 0x00007f92ac62b5e0 in doActivate<false> (sender=0x5585976abd78, signal_index=4, argv=0x7ffc77b05100) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395 #26 0x00007f92ac624977 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f92a673ba40 <OrgFreedesktopDBusObjectManagerInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffc77b05100) at kernel/qobject.cpp:3946 #27 0x00007f92a667d429 in OrgFreedesktopDBusObjectManagerInterface::InterfacesRemoved (_t2=..., _t1=..., this=<optimized out>) at ./obj-x86_64-linux-gnu/src/solid/KF5Solid_autogen/W35TJJ7QHF/moc_manager.cpp:189 #28 OrgFreedesktopDBusObjectManagerInterface::qt_static_metacall (_o=_o@entry=0x5585976abd78, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=1, _a=_a@entry=0x7ffc77b05260) at ./obj-x86_64-linux-gnu/src/solid/KF5Solid_autogen/W35TJJ7QHF/moc_manager.cpp:94 #29 0x00007f92a6681e13 in OrgFreedesktopDBusObjectManagerInterface::qt_metacall (this=0x5585976abd78, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7ffc77b05260) at ./obj-x86_64-linux-gnu/src/solid/KF5Solid_autogen/W35TJJ7QHF/moc_manager.cpp:168 #30 0x00007f92ac9b84db in QDBusConnectionPrivate::deliverCall (this=<optimized out>, object=<optimized out>, msg=..., metaTypes=..., slotIdx=<optimized out>) at qdbusintegrator.cpp:1001 #31 0x00007f92ac622129 in QObject::event (this=0x5585976abd78, e=0x7f929802bed0) at kernel/qobject.cpp:1314 #32 0x00007f92ad3c7cc3 in QApplicationPrivate::notify_helper (this=this@entry=0x55859736d4b0, receiver=receiver@entry=0x5585976abd78, e=e@entry=0x7f929802bed0) at kernel/qapplication.cpp:3671 #33 0x00007f92ad3d0c70 in QApplication::notify (this=0x7ffc77b05930, receiver=0x5585976abd78, e=0x7f929802bed0) at kernel/qapplication.cpp:3417 #34 0x00007f92ac5f46aa in QCoreApplication::notifyInternal2 (receiver=0x5585976abd78, event=0x7f929802bed0) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325 #35 0x00007f92ac5f6fa1 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55859736d620) at kernel/qcoreapplication.cpp:1815 #36 0x00007f92ac64f837 in postEventSourceDispatch (s=0x55859744adc0) at kernel/qeventdispatcher_glib.cpp:277 #37 0x00007f92ab25ffbd in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #38 0x00007f92ab260240 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #39 0x00007f92ab2602e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #40 0x00007f92ac64ee92 in QEventDispatcherGlib::processEvents (this=0x55859744e0c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #41 0x00007f92ac5f31bb in QEventLoop::exec (this=this@entry=0x7ffc77b05860, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #42 0x00007f92ac5fb354 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #43 0x0000558595f92cf9 in main (argc=<optimized out>, argv=<optimized out>) at ./src/kded.cpp:796 [Inferior 1 (process 6626) detached]
Still a problem with 5.22?
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please mark the bug as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!