Application: plasmashell (5.13.3) (Compiled from sources) Qt Version: 5.11.1 Frameworks Version: 5.47.0 Operating System: Linux 4.17.5-1-ARCH x86_64 Distribution (Platform): Archlinux Packages -- Information about the crash: - What I was doing when the application crashed: I have a folder on my desktop, I open it and hover on another folder which opens it. Inside it whether I grab a folder or a file, plasma crashes when dropping it onto the desktop. The crash can be reproduced every time. -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7fe007f93f00 (LWP 4225))] Thread 8 (Thread 0x7fdf2b2be700 (LWP 8139)): #0 0x00007fe001082934 in read () at /usr/lib/libc.so.6 #1 0x00007fdff4fe3782 in pa_read () at /usr/lib/pulseaudio/libpulsecommon-12.0.so #2 0x00007fdff839e55f in pa_mainloop_prepare () at /usr/lib/libpulse.so.0 #3 0x00007fdff839efd1 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0 #4 0x00007fdff839f091 in pa_mainloop_run () at /usr/lib/libpulse.so.0 #5 0x00007fdff83ad5ae in () at /usr/lib/libpulse.so.0 #6 0x00007fdff50139fc in () at /usr/lib/pulseaudio/libpulsecommon-12.0.so #7 0x00007fe000940075 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fe00109153f in clone () at /usr/lib/libc.so.6 Thread 7 (Thread 0x7fdf3fb5d700 (LWP 5156)): #0 0x00007fe001082934 in read () at /usr/lib/libc.so.6 #1 0x00007fdffac33ed1 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdffabedff8 in g_main_context_check () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdffabee4c6 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007fdffabee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #5 0x00007fe0019a3054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #6 0x00007fe00194e94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #7 0x00007fe001797a99 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #8 0x00007fdf4250f1da in KCupsConnection::run() () at /usr/lib/libkcupslib.so #9 0x00007fe0017a1b45 in () at /usr/lib/libQt5Core.so.5 #10 0x00007fe000940075 in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007fe00109153f in clone () at /usr/lib/libc.so.6 Thread 6 (Thread 0x7fdf521bd700 (LWP 4741)): #0 0x00007fe001082934 in read () at /usr/lib/libc.so.6 #1 0x00007fdffac33ed1 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdffabedff8 in g_main_context_check () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdffabee4c6 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007fdffabee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #5 0x00007fe0019a3054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #6 0x00007fe00194e94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #7 0x00007fe001797a99 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #8 0x00007fe00570d23b in () at /usr/lib/libQt5Quick.so.5 #9 0x00007fe0017a1b45 in () at /usr/lib/libQt5Core.so.5 #10 0x00007fe000940075 in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007fe00109153f in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fdf5bfff700 (LWP 4541)): #0 0x00007fe000945ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fdfe0d01124 in () at /usr/lib/dri/i965_dri.so #2 0x00007fdfe0d00e18 in () at /usr/lib/dri/i965_dri.so #3 0x00007fe000940075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fe00109153f in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fdfe303d700 (LWP 4528)): #0 0x00007fe000945ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fe007659aac in () at /usr/lib/libQt5Script.so.5 #2 0x00007fe007659ac9 in () at /usr/lib/libQt5Script.so.5 #3 0x00007fe000940075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fe00109153f in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fdfe98de700 (LWP 4389)): #0 0x00007fe007ddcec7 in _dl_update_slotinfo () at /lib64/ld-linux-x86-64.so.2 #1 0x00007fe007ddd0bc in update_get_addr () at /lib64/ld-linux-x86-64.so.2 #2 0x00007fe007de2178 in __tls_get_addr () at /lib64/ld-linux-x86-64.so.2 #3 0x00007fe0017a0e27 in () at /usr/lib/libQt5Core.so.5 #4 0x00007fe0019a3502 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fdffabedf22 in g_main_context_check () at /usr/lib/libglib-2.0.so.0 #6 0x00007fdffabee4c6 in () at /usr/lib/libglib-2.0.so.0 #7 0x00007fdffabee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #8 0x00007fe0019a3054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #9 0x00007fe00194e94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #10 0x00007fe001797a99 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #11 0x00007fe0052909c9 in () at /usr/lib/libQt5Qml.so.5 #12 0x00007fe0017a1b45 in () at /usr/lib/libQt5Core.so.5 #13 0x00007fe000940075 in start_thread () at /usr/lib/libpthread.so.0 #14 0x00007fe00109153f in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fdfeb322700 (LWP 4323)): #0 0x00007fe001086ea9 in poll () at /usr/lib/libc.so.6 #1 0x00007fdffabee523 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdffabee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fe0019a3054 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fe00194e94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #5 0x00007fe001797a99 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #6 0x00007fe003ca2976 in () at /usr/lib/libQt5DBus.so.5 #7 0x00007fe0017a1b45 in () at /usr/lib/libQt5Core.so.5 #8 0x00007fe000940075 in start_thread () at /usr/lib/libpthread.so.0 #9 0x00007fe00109153f in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fe007f93f00 (LWP 4225)): [KCrash Handler] #6 0x00007fe001f2c793 in QDrag::dragCursor(Qt::DropAction) const () at /usr/lib/libQt5Gui.so.5 #7 0x00007fe001f300a5 in QBasicDrag::updateCursor(Qt::DropAction) () at /usr/lib/libQt5Gui.so.5 #8 0x00007fdff38ab188 in () at /usr/lib/libQt5XcbQpa.so.5 #9 0x00007fdff38ab495 in () at /usr/lib/libQt5XcbQpa.so.5 #10 0x00007fdff38ad264 in () at /usr/lib/libQt5XcbQpa.so.5 #11 0x00007fe001f2f25e in QBasicDrag::eventFilter(QObject*, QEvent*) () at /usr/lib/libQt5Gui.so.5 #12 0x00007fe00194f89b in QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #13 0x00007fe002f99ab2 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #14 0x00007fe002fa1341 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #15 0x00007fe00194fcb9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #16 0x00007fe001ef5e34 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/libQt5Gui.so.5 #17 0x00007fe001ef7df6 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5 #18 0x00007fe001ed1b7c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5 #19 0x00007fdff391172d in () at /usr/lib/libQt5XcbQpa.so.5 #20 0x00007fe00194e94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #21 0x00007fe001f3025c in QBasicDrag::drag(QDrag*) () at /usr/lib/libQt5Gui.so.5 #22 0x00007fe001f2c3b6 in QDragManager::drag(QDrag*) () at /usr/lib/libQt5Gui.so.5 #23 0x00007fe001f2c67d in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) () at /usr/lib/libQt5Gui.so.5 #24 0x00007fdf53a9a2bf in () at /usr/lib/qt/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so #25 0x00007fdf53abafa0 in () at /usr/lib/qt/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so #26 0x00007fe00197a3d2 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5 #27 0x00007fe002f99a74 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #28 0x00007fe002fa1341 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #29 0x00007fe00194fcb9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #30 0x00007fe001952d4c in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5 #31 0x00007fe0019a3a54 in () at /usr/lib/libQt5Core.so.5 #32 0x00007fdffabee368 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0 #33 0x00007fdffabee5b1 in () at /usr/lib/libglib-2.0.so.0 #34 0x00007fdffabee63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #35 0x00007fe0019a3039 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #36 0x00007fdff3911722 in () at /usr/lib/libQt5XcbQpa.so.5 #37 0x00007fe00194e94c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #38 0x00007fe001956c46 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #39 0x000055573a1f364e in () #40 0x00007fe000fbc06b in __libc_start_main () at /usr/lib/libc.so.6 #41 0x000055573a1f3aca in _start () Reported using DrKonqi
can't reproduce locally
Me neither. Let's call it fixed. Please re-open if it happens again in Plasma 5.17 or 5.18. Thanks!
*** Bug 425989 has been marked as a duplicate of this bug. ***
Got a duplicate in 5.18.x. Re-opening.
I can reproduce this crash on neon unstable, only on Wayland. Possibly duplicate of bug 399864 Operating System: KDE neon Unstable Edition KDE Plasma Version: 5.22.80 KDE Frameworks Version: 5.83.0 Qt Version: 5.15.3 Graphics Platform: Wayland Application: Plasma (plasmashell), signal: Segmentation fault Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7faca19268c0 (LWP 8104))] [New LWP 8104] [New LWP 8106] [New LWP 8107] [New LWP 8108] [New LWP 8109] [New LWP 8119] [New LWP 8120] [New LWP 8121] [New LWP 8122] [New LWP 8123] [New LWP 8133] [New LWP 8136] [New LWP 8162] [New LWP 8105] [New LWP 8110] [New LWP 8127] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/bin/plasmashell --replace'. Program terminated with signal SIGSEGV, Segmentation fault. #0 __GI_raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50 [Current thread is 1 (Thread 0x7faca19268c0 (LWP 8104))] Thread 16 (Thread 0x7fac7d1f7700 (LWP 8127)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561e15b7a8f0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561e15b7a8a0, cond=0x561e15b7a8c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561e15b7a8c8, mutex=0x561e15b7a8a0) at pthread_cond_wait.c:647 #3 0x00007faca59d6ebb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561e15b7a8a0) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7fac9c043bf8, mutex=mutex@entry=0x7fac9c043bf0, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007faca761eb44 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x7fac9c043be8) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68 #6 QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x7fac9c043b50) at scenegraph/qsgthreadedrenderloop.cpp:936 #7 0x00007faca761efb9 in QSGRenderThread::run() (this=0x7fac9c043b50) at scenegraph/qsgthreadedrenderloop.cpp:1053 #8 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x7fac9c043b50) at thread/qthread_unix.cpp:329 #9 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 15 (Thread 0x7fac8b2f8700 (LWP 8110)): #0 0x00007faca5643aff in __GI___poll (fds=0x7fac80004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faca3f6036e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fac80004e60, timeout=<optimized out>, context=0x7fac80000c20) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fac80000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faca3f604a3 in g_main_context_iteration (context=0x7fac80000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faca5c11b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fac80000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faca5bb5dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fac8b2f7cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faca59cfbb2 in QThread::exec() (this=this@entry=0x561e159c0810) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faca71d0559 in QQmlThreadPrivate::run() (this=0x561e159c0810) at qml/ftw/qqmlthread.cpp:155 #8 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x561e159c0810) at thread/qthread_unix.cpp:329 #9 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 14 (Thread 0x7faca0fc5700 (LWP 8105)): #0 0x00007faca5643aff in __GI___poll (fds=0x7fac9c005240, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faca3f6036e in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7fac9c005240, timeout=<optimized out>, context=0x7fac9c000c20) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fac9c000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faca3f604a3 in g_main_context_iteration (context=0x7fac9c000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faca5c11b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fac9c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faca5bb5dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faca0fc4cb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faca59cfbb2 in QThread::exec() (this=this@entry=0x7faca65c5d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faca6541f4b in QDBusConnectionManager::run() (this=0x7faca65c5d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179 #8 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x7faca65c5d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329 #9 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 13 (Thread 0x7fac569a4700 (LWP 8162)): #0 0x00007faca56505ce in epoll_wait (epfd=51, events=events@entry=0x7fac569a38f0, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 #1 0x00007fac7c085acb in impl_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7fac569a3aa0, n_ev=<optimized out>, timeout=<optimized out>) at ../spa/plugins/support/system.c:155 #2 0x00007fac7c0784a4 in loop_iterate (object=0x561e1fa92598, timeout=-1) at ../spa/plugins/support/loop.c:292 #3 0x00007fac67a6fe70 in do_loop (user_data=0x561e1c78a620) at ../src/pipewire/data-loop.c:79 #4 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #5 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 12 (Thread 0x7fac575ef700 (LWP 8136)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561e1c7b4300) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561e1c7b42b0, cond=0x561e1c7b42d8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561e1c7b42d8, mutex=0x561e1c7b42b0) at pthread_cond_wait.c:647 #3 0x00007faca59d6ebb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561e1c7b42b0) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x561e1c7b4228, mutex=mutex@entry=0x561e1c7b4220, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007faca761eb44 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x561e1c7b4218) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68 #6 QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x561e1c7b4180) at scenegraph/qsgthreadedrenderloop.cpp:936 #7 0x00007faca761efb9 in QSGRenderThread::run() (this=0x561e1c7b4180) at scenegraph/qsgthreadedrenderloop.cpp:1053 #8 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x561e1c7b4180) at thread/qthread_unix.cpp:329 #9 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 11 (Thread 0x7fac65e82700 (LWP 8133)): #0 0x00007faca5643aff in __GI___poll (fds=0x7fac58006150, nfds=1, timeout=3499229) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faca3f6036e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fac58006150, timeout=<optimized out>, context=0x7fac58000c20) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fac58000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faca3f604a3 in g_main_context_iteration (context=0x7fac58000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faca5c11b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fac58000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faca5bb5dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fac65e81ca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faca59cfbb2 in QThread::exec() (this=this@entry=0x561e1798bc40) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007fac6637907c in KCupsConnection::run() (this=0x561e1798bc40) at ./libkcups/KCupsConnection.cpp:303 #8 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x561e1798bc40) at thread/qthread_unix.cpp:329 #9 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7fac7da8e700 (LWP 8123)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fac7da8dc50, clockid=<optimized out>, expected=0, futex_word=0x7fac78006c64) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fac7da8dc50, clockid=<optimized out>, mutex=0x7fac78006c10, cond=0x7fac78006c38) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7fac78006c38, mutex=0x7fac78006c10, abstime=0x7fac7da8dc50) at pthread_cond_wait.c:665 #3 0x00007faca59d6e48 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x7fac78006c10, deadline=...) at thread/qwaitcondition_unix.cpp:136 #4 QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7fac78006c10) at thread/qwaitcondition_unix.cpp:144 #5 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7fac78015540, mutex=mutex@entry=0x561e15e39908, deadline=...) at thread/qwaitcondition_unix.cpp:225 #6 0x00007faca59d4351 in QThreadPoolThread::run() (this=0x7fac78015530) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275 #7 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x7fac78015530) at thread/qthread_unix.cpp:329 #8 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7fac7e28f700 (LWP 8122)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fac7e28ec50, clockid=<optimized out>, expected=0, futex_word=0x7fac78002450) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fac7e28ec50, clockid=<optimized out>, mutex=0x7fac78002400, cond=0x7fac78002428) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7fac78002428, mutex=0x7fac78002400, abstime=0x7fac7e28ec50) at pthread_cond_wait.c:665 #3 0x00007faca59d6e48 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x7fac78002400, deadline=...) at thread/qwaitcondition_unix.cpp:136 #4 QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7fac78002400) at thread/qwaitcondition_unix.cpp:144 #5 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7fac78005850, mutex=mutex@entry=0x561e15e39908, deadline=...) at thread/qwaitcondition_unix.cpp:225 #6 0x00007faca59d4351 in QThreadPoolThread::run() (this=0x7fac78005840) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275 #7 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x7fac78005840) at thread/qthread_unix.cpp:329 #8 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fac7ea90700 (LWP 8121)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fac7ea8fc50, clockid=<optimized out>, expected=0, futex_word=0x7fac78047730) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fac7ea8fc50, clockid=<optimized out>, mutex=0x7fac780476e0, cond=0x7fac78047708) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7fac78047708, mutex=0x7fac780476e0, abstime=0x7fac7ea8fc50) at pthread_cond_wait.c:665 #3 0x00007faca59d6e48 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x7fac780476e0, deadline=...) at thread/qwaitcondition_unix.cpp:136 #4 QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7fac780476e0) at thread/qwaitcondition_unix.cpp:144 #5 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7fac78005790, mutex=mutex@entry=0x561e15e39908, deadline=...) at thread/qwaitcondition_unix.cpp:225 #6 0x00007faca59d4351 in QThreadPoolThread::run() (this=0x7fac78005780) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275 #7 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x7fac78005780) at thread/qthread_unix.cpp:329 #8 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fac7f291700 (LWP 8120)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fac7f290c50, clockid=<optimized out>, expected=0, futex_word=0x7fac78010230) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fac7f290c50, clockid=<optimized out>, mutex=0x7fac780101e0, cond=0x7fac78010208) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7fac78010208, mutex=0x7fac780101e0, abstime=0x7fac7f290c50) at pthread_cond_wait.c:665 #3 0x00007faca59d6e48 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x7fac780101e0, deadline=...) at thread/qwaitcondition_unix.cpp:136 #4 QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7fac780101e0) at thread/qwaitcondition_unix.cpp:144 #5 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7fac78002100, mutex=mutex@entry=0x561e15e39908, deadline=...) at thread/qwaitcondition_unix.cpp:225 #6 0x00007faca59d4351 in QThreadPoolThread::run() (this=0x7fac780020f0) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275 #7 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x7fac780020f0) at thread/qthread_unix.cpp:329 #8 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7fac7fc09700 (LWP 8119)): #0 0x00007faca5643aff in __GI___poll (fds=0x7fac78012bc0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faca3f6036e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fac78012bc0, timeout=<optimized out>, context=0x7fac78005610) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fac78005610, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faca3f604a3 in g_main_context_iteration (context=0x7fac78005610, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faca5c11b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fac78006960, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faca5bb5dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fac7fc08ca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faca59cfbb2 in QThread::exec() (this=this@entry=0x561e179a4180) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faca75593ba in QQuickPixmapReader::run() (this=0x561e179a4180) at util/qquickpixmapcache.cpp:1024 #8 0x00007faca59d0d4c in QThreadPrivate::start(void*) (arg=0x561e179a4180) at thread/qthread_unix.cpp:329 #9 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fac999b9700 (LWP 8109)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561e1559ac48) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561e1559abf8, cond=0x561e1559ac20) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561e1559ac20, mutex=0x561e1559abf8) at pthread_cond_wait.c:647 #3 0x00007fac9b717e6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fac9b717a6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fac9a1ba700 (LWP 8108)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561e1559ac48) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561e1559abf8, cond=0x561e1559ac20) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561e1559ac20, mutex=0x561e1559abf8) at pthread_cond_wait.c:647 #3 0x00007fac9b717e6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fac9b717a6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fac9a9bb700 (LWP 8107)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561e1559ac48) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561e1559abf8, cond=0x561e1559ac20) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561e1559ac20, mutex=0x561e1559abf8) at pthread_cond_wait.c:647 #3 0x00007fac9b717e6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fac9b717a6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fac9b1bc700 (LWP 8106)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561e1559ac48) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561e1559abf8, cond=0x561e1559ac20) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x561e1559ac20, mutex=0x561e1559abf8) at pthread_cond_wait.c:647 #3 0x00007fac9b717e6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fac9b717a6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faca4992609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faca5650293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7faca19268c0 (LWP 8104)): [KCrash Handler] #3 QMapData<Qt::DropAction, QPixmap>::findNode(Qt::DropAction const&) const (akey=<synthetic pointer>: <optimized out>, this=0x7fac0000001f) at ../../include/QtCore/../../src/corelib/tools/qmap.h:850 #4 QMap<Qt::DropAction, QPixmap>::constFind(Qt::DropAction const&) const (this=0x561e1bee4708, akey=<synthetic pointer>: <optimized out>) at ../../include/QtCore/../../src/corelib/tools/qmap.h:852 #5 QDrag::dragCursor(Qt::DropAction) const (this=0x561e1be30e10, action=action@entry=Qt::IgnoreAction) at kernel/qdrag.cpp:349 #6 0x00007faca5fd9c1f in QBasicDrag::updateCursor(Qt::DropAction) (this=0x561e153edb10, action=Qt::IgnoreAction) at kernel/qsimpledrag.cpp:307 #7 0x00007faca5bee2ee in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffd7d0fa110, r=0x561e153f2d80, this=0x561e1bf1f4b0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398 #8 doActivate<false>(QObject*, int, void**) (sender=0x561e1b3d97d0, signal_index=3, argv=0x7ffd7d0fa110) at kernel/qobject.cpp:3886 #9 0x00007faca5be76b7 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7faca3ba7660 <QtWaylandClient::QWaylandDataSource::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd7d0fa110) at kernel/qobject.cpp:3946 #10 0x00007faca3aef916 in QtWaylandClient::QWaylandDataSource::targetChanged(QString const&) (this=<optimized out>, _t1=...) at .moc/moc_qwaylanddatasource_p.cpp:146 #11 0x00007faca3aeb4e0 in QtWayland::wl_data_source::handle_target(void*, wl_data_source*, char const*) (data=0x561e1b3d97e0, object=<optimized out>, mime_type=0x561e1f404d2c "text/uri-list") at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:236 #12 0x00007faca3f08ff5 in ffi_call_unix64 () at ../src/x86/unix64.S:101 #13 0x00007faca3f0840a 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 #14 0x00007faca54de3a8 in wl_closure_invoke (closure=0x561e1f404c50, flags=1, target=<optimized out>, opcode=0, data=<optimized out>) at ../src/connection.c:1018 #15 0x00007faca54dac48 in dispatch_event (display=display@entry=0x561e153ee9a0, queue=<optimized out>) at ../src/wayland-client.c:1445 #16 0x00007faca54dc21c in dispatch_queue (queue=0x561e153eea70, display=0x561e153ee9a0) at ../src/wayland-client.c:1591 #17 wl_display_dispatch_queue_pending (display=0x561e153ee9a0, queue=0x561e153eea70) at ../src/wayland-client.c:1833 #18 0x00007faca54dc280 in wl_display_dispatch_pending (display=<optimized out>) at ../src/wayland-client.c:1896 #19 0x00007faca3abc1c5 in QtWaylandClient::QWaylandDisplay::flushRequests() (this=0x561e153eade0) at qwaylanddisplay.cpp:222 #20 0x00007faca5bee320 in doActivate<false>(QObject*, int, void**) (sender=0x561e154638d0, signal_index=4, argv=0x7ffd7d0fa600) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395 #21 0x00007faca5be76b7 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x561e154638d0, m=m@entry=0x7faca5e511c0 <QAbstractEventDispatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946 #22 0x00007faca5bb3e67 in QAbstractEventDispatcher::awake() (this=this@entry=0x561e154638d0) at .moc/moc_qabstracteventdispatcher.cpp:149 #23 0x00007faca5c11b5c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x561e154638d0, flags=...) at kernel/qeventdispatcher_glib.cpp:430 #24 0x00007faca5bb5dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x561e1be1a220, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #25 0x00007faca5fd7bc7 in QBasicDrag::drag(QDrag*) (this=0x561e153edb10, o=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #26 0x00007faca5fd523d in QDragManager::drag(QDrag*) (this=0x561e1b3e9d50, o=0x561e1be30e10) at /usr/include/c++/9/bits/atomic_base.h:413 #27 0x00007faca5fd5597 in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) (this=<optimized out>, supportedActions=..., defaultDropAction=<optimized out>) at /usr/include/c++/9/bits/atomic_base.h:413 #28 0x00007fac7fe91d34 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so #29 0x00007fac7fe82bb4 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so #30 0x00007faca5be4e69 in QObject::event(QEvent*) (this=0x561e1f3f3260, e=0x561e1f4c08a0) at kernel/qobject.cpp:1314 #31 0x00007faca68b6dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x561e153e82c0, receiver=receiver@entry=0x561e1f3f3260, e=e@entry=0x561e1f4c08a0) at kernel/qapplication.cpp:3632 #32 0x00007faca68bfbb8 in QApplication::notify(QObject*, QEvent*) (this=0x7ffd7d0faff0, receiver=0x561e1f3f3260, e=0x561e1f4c08a0) at kernel/qapplication.cpp:3156 #33 0x00007faca5bb72ca in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x561e1f3f3260, event=0x561e1f4c08a0) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325 #34 0x00007faca5bb9bd1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x561e153dd3c0) at kernel/qcoreapplication.cpp:1821 #35 0x00007faca5c124c7 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x561e15463b30) at kernel/qeventdispatcher_glib.cpp:277 #36 0x00007faca3f6017d in g_main_dispatch (context=0x561e15427af0) at ../../../glib/gmain.c:3309 #37 g_main_context_dispatch (context=context@entry=0x561e15427af0) at ../../../glib/gmain.c:3974 #38 0x00007faca3f60400 in g_main_context_iterate (context=context@entry=0x561e15427af0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047 #39 0x00007faca3f604a3 in g_main_context_iteration (context=0x561e15427af0, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #40 0x00007faca5c11b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x561e154638d0, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #41 0x00007faca5bb5dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffd7d0faea0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #42 0x00007faca5bbdf84 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #43 0x0000561e14ee1dfe in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:251
This should be fixed in newer Qt
*** This bug has been marked as a duplicate of bug 470925 ***