https://bugs.kde.org/show_bug.cgi?id=450646
Bug ID: 450646 Summary: Plasma crashes after moving taskbar from secondary sreen to primary. Product: plasmashell Version: 5.24.1 Platform: Kubuntu Packages OS: Linux Status: REPORTED Keywords: drkonqi Severity: crash Priority: NOR Component: general Assignee: plasma-b...@kde.org Reporter: syiad.al-d...@web.de CC: k...@davidedmundson.co.uk Target Milestone: 1.0 Application: plasmashell (5.24.1) Qt Version: 5.15.2 Frameworks Version: 5.91.0 Operating System: Linux 5.13.0-28-generic x86_64 Windowing System: Wayland Distribution: Ubuntu 21.10 DrKonqi: 5.24.1 [KCrashBackend] -- Information about the crash: - What I was doing when the application crashed: 1. I swapped primary and seconday sreen twice to get the widgets etc. onto the primary screen 2. I dragged the taskbar from the seconday to the primary screen, because it didn't follow to the primary screen. 3. Plasma crashed. The crash can be reproduced sometimes. -- Backtrace: Application: Plasma (plasmashell), signal: Aborted [KCrash Handler] #4 __pthread_kill_implementation (no_tid=0, signo=6, threadid=139974888752704) at pthread_kill.c:44 #5 __pthread_kill_internal (signo=6, threadid=139974888752704) at pthread_kill.c:80 #6 __GI___pthread_kill (threadid=139974888752704, signo=signo@entry=6) at pthread_kill.c:91 #7 0x00007f4f11bfb476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 #8 0x00007f4f11be17b7 in __GI_abort () at abort.c:79 #9 0x00007f4f12086ba3 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f4f102ac354 in () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #11 0x00007f4f102ac54d in QtWaylandClient::QWaylandDisplay::dispatchQueueWhile(wl_event_queue*, std::function<bool ()>, int) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #12 0x00007f4f102b2592 in QtWaylandClient::QWaylandWindow::waitForFrameSync(int) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #13 0x00007f4f0d08bbb2 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so #14 0x00007f4f13cafecc in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #15 0x00007f4f13cb06b7 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #16 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #18 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 20 (Thread 0x7f4e72059640 (LWP 3099) "plasmash:gdrv0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf1669f4d0) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf1669f4d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf1669f480, cond=0x55bf1669f4a8) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf1669f4a8, mutex=0x55bf1669f480) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 19 (Thread 0x7f4e7285a640 (LWP 3098) "plasmash:gdrv0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf16609190) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf16609190, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf16609140, cond=0x55bf16609168) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf16609168, mutex=0x55bf16609140) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 18 (Thread 0x7f4e63638640 (LWP 2770) "KCupsConnection"): #1 0x00007f4f106cdd35 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4f106cf38b in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4f10722dd3 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f4f106cd003 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f4f123085be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f122ada9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f4f120c18c2 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f4e6371894c in KCupsConnection::run() () at /lib/x86_64-linux-gnu/libkcupslib.so #9 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #11 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 17 (Thread 0x7f4e63fff640 (LWP 2720) "SessionThread"): #1 0x00007f4f106cdd18 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4f106cf38b in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4f10722dd3 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f4f106cd003 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f4f123085be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f122ada9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f4f120c18c2 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #10 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 16 (Thread 0x7f4ea8ff9640 (LWP 2719) "plasmashell"): #1 __pselect (nfds=5, readfds=0x7f4ea8ff0a80, writefds=0x0, exceptfds=0x0, timeout=<optimized out>, sigmask=0x7f4ea8ff0a20) at ../sysdeps/unix/sysv/linux/pselect.c:57 #2 0x00007f4f0fe2003d in () at /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6 #3 0x00007f4f0fe20d88 in () at /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6 #4 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #5 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 15 (Thread 0x7f4ebffff640 (LWP 2697) "QSGRenderThread"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf14fb4e30) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf14fb4e30, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf14fb4de0, cond=0x55bf14fb4e08) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf14fb4e08, mutex=0x55bf14fb4de0) at pthread_cond_wait.c:628 #5 0x00007f4f120c8abb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f13cae273 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f4f13cb06f9 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #10 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 14 (Thread 0x7f4ed0ccb640 (LWP 2696) "plasmash:gdrv0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf1506c790) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf1506c790, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf1506c740, cond=0x55bf1506c768) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf1506c768, mutex=0x55bf1506c740) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 13 (Thread 0x7f4ed14cc640 (LWP 2695) "plasmash:gdrv0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf14fc4ff4) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf14fc4ff4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf14fc4fa0, cond=0x55bf14fc4fc8) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf14fc4fc8, mutex=0x55bf14fc4fa0) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 12 (Thread 0x7f4ed2bbf640 (LWP 2694) "QQuickPixmapRea"): #1 0x00007f4f10722ea6 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4f106cd003 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4f123085be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f4f122ada9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f4f120c18c2 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f13bf69da in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #9 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 11 (Thread 0x7f4ee599d640 (LWP 2693) "QSGRenderThread"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf147b56d4) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf147b56d4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf147b5680, cond=0x55bf147b56a8) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf147b56a8, mutex=0x55bf147b5680) at pthread_cond_wait.c:628 #5 0x00007f4f120c8abb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f13cae273 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f4f13cb06f9 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #10 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 10 (Thread 0x7f4ee61c2640 (LWP 2692) "plasmash:gdrv0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf14e95820) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf14e95820, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf14e957d0, cond=0x55bf14e957f8) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf14e957f8, mutex=0x55bf14e957d0) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 9 (Thread 0x7f4ee7c41640 (LWP 2691) "plasmash:gdrv0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf14deb260) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf14deb260, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf14deb210, cond=0x55bf14deb238) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf14deb238, mutex=0x55bf14deb210) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 8 (Thread 0x7f4ee73fe640 (LWP 2690) "plasmash:gdrv0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf14ba4bd0) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf14ba4bd0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf14ba4b80, cond=0x55bf14ba4ba8) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf14ba4ba8, mutex=0x55bf14ba4b80) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 7 (Thread 0x7f4eecf21640 (LWP 2686) "QQuickXmlQueryE"): #1 0x00007f4f10722e4d in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4f106cd003 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4f123085be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f4f122ada9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f4f120c18c2 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4eec0ddac9 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so #7 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #9 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 6 (Thread 0x7f4eefa02640 (LWP 2669) "Qt bearer threa"): #1 0x00007f4f10722ea6 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4f106cd003 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4f123085be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f4f122ada9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f4f120c18c2 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 5 (Thread 0x7f4efe28a640 (LWP 2667) "QQmlThread"): #1 __GI___libc_read (fd=12, buf=0x7f4efe2899b0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007f4f106cfcb4 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4f10722e4d in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f4f106cd003 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f4f123085be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f122ada9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f4f120c18c2 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f4f13898e39 in () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #11 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 4 (Thread 0x7f4efd9b9640 (LWP 2624) "plasmash:gdrv0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7f4efd9ba550) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f4efd9ba550, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f4efd9ba500, cond=0x7f4efd9ba528) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x7f4efd9ba528, mutex=0x7f4efd9ba500) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 3 (Thread 0x7f4efeaef640 (LWP 2620) "plasmas:disk$0"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf13c084c8) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf13c084c8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf13c08478, cond=0x55bf13c084a0) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf13c084a0, mutex=0x55bf13c08478) at pthread_cond_wait.c:628 #5 0x00007f4f0486936b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #6 0x00007f4f0486308b in () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #7 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #8 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 2 (Thread 0x7f4f0d05f640 (LWP 2589) "QDBusConnection"): #1 0x00007f4f106cdd35 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f4f106cfadb in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f4f10722e4d in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f4f106cd003 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f4f123085be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f122ada9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f4f120c18c2 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f4f12c50efb in () at /lib/x86_64-linux-gnu/libQt5DBus.so.5 #9 0x00007f4f120c2a71 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f4f11c4d927 in start_thread (arg=<optimized out>) at pthread_create.c:435 #11 0x00007f4f11cdd9e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 Thread 1 (Thread 0x7f4f0db564c0 (LWP 2563) "plasmashell"): #1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55bf15c80334) at futex-internal.c:87 #2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55bf15c80334, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f4f11c4c920 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55bf15c802e0, cond=0x55bf15c80308) at pthread_cond_wait.c:504 #4 ___pthread_cond_wait (cond=0x55bf15c80308, mutex=0x55bf15c802e0) at pthread_cond_wait.c:628 #5 0x00007f4f120c8abb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4f13cb203a in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f4f13cb33ba in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f4f126a2515 in QWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #9 0x00007f4f12fa06b3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #10 0x00007f4f122af16a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007f4f126975f1 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #12 0x00007f4f1266b9bc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #13 0x00007f4f102e55b4 in () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #14 0x00007f4f106cf8bb in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #15 0x00007f4f10722f08 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #16 0x00007f4f106cd003 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #17 0x00007f4f12308548 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007f4f122ada9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007f4f122b6024 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x000055bf1385ada9 in () #21 0x00007f4f11be2fd0 in __libc_start_call_main (main=main@entry=0x55bf13859f50, argc=argc@entry=1, argv=argv@entry=0x7fff96c84218) at ../sysdeps/nptl/libc_start_call_main.h:58 #22 0x00007f4f11be307d in __libc_start_main_impl (main=0x55bf13859f50, argc=1, argv=0x7fff96c84218, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff96c84208) at ../csu/libc-start.c:409 #23 0x000055bf1385aec5 in () [Inferior 1 (process 2563) detached] Possible duplicates by query: bug 450320, bug 450112, bug 449027, bug 447117, bug 446922. 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