| Summary: | Plasma froze on Wayland when I reopened Widgets Explorer after adding several widgets to desktop | ||
|---|---|---|---|
| Product: | [Plasma] plasmashell | Reporter: | Patrick Silva <bugseforuns> |
| Component: | Widget Explorer sidebar | Assignee: | Plasma Bugs List <plasma-bugs-null> |
| Status: | RESOLVED WORKSFORME | ||
| Severity: | crash | CC: | meven29, nate |
| Priority: | NOR | Keywords: | wayland-only |
| Version First Reported In: | master | ||
| Target Milestone: | 1.0 | ||
| Platform: | Neon | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed/Implemented In: | ||
| Sentry Crash Report: | |||
Seems like a deadlock in Qml: Thread 1 (Thread 0x7fa9fe9769c0 (LWP 16998)): #0 0x00007faa02bb1980 in QMutex::lock() (this=this@entry=0x7fa9d40abea0) at /usr/include/c++/9/bits/atomic_base.h:769 #1 0x00007faa04336d0d in QMutexLocker::QMutexLocker(QBasicMutex*) (m=0x7fa9d40abea0, this=<synthetic pointer>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qmutex.h:238 #2 QQmlTypeModule::type(QV4::String const*, int) const (this=0x7fa9d4092c30, name=name@entry=0x7fa9f38a75b0, minor=0) at qml/qqmltypemodule.cpp:155 #3 0x00007faa04338460 in QQmlTypeModuleVersion::type(QV4::String const*) const (this=this@entry=0x7fa9d4a4b158, name=name@entry=0x7fa9f38a75b0) at qml/qqmltypemoduleversion.cpp:92 #4 0x00007faa04359b8b in QQmlTypeNameCache::typeSearch<QV4::String const*>(QVector<QQmlTypeModuleVersion> const&, QV4::String const*) const (key=0x7fa9f38a75b0, modules=..., this=0x7fa9d4a3e6e0) at qml/qqmltypenamecache_p.h:148 #5 QQmlTypeNameCache::query(QV4::String const*, QQmlImportRef const*) const (this=0x7fa9d4a3e6e0, name=0x7fa9f38a75b0, importNamespace=0x7fa9d4a4b060) at qml/qqmltypenamecache.cpp:181 #6 0x00007faa0438d6c7 in QV4::QQmlTypeWrapper::virtualGet(QV4::Managed const*, QV4::PropertyKey, QV4::Value const*, bool*) (m=0x7fa9f38a75a0, id=..., receiver=0x7fa9f38a75a0, hasProperty=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/common/qv4staticvalue_p.h:325 #7 0x00007faa041a167c in QV4::Object::get(QV4::StringOrSymbol*, bool*, QV4::Value const*) const (receiver=0x7fa9f38a75a0, hasProperty=0x0, name=0x7fa9f38a75a8, this=0x7fa9f38a75a0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4string_p.h:167 #8 QV4::Lookup::getterFallback(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value const&) (l=<optimized out>, engine=0x555e791bd2d0, object=...) at jsruntime/qv4lookup.cpp:201 #9 0x00007fa9c06fb744 in () #10 0x0000000000000000 in () Detaching from program: /usr/bin/plasmashell, process 16998 [Inferior 1 (process 16998) detached] I could not reproduce it with Kubuntu plasma master and Qt 5.12 (no KDE patch collection). Indeed, and me neither. Patrick, is this still happening with current git master? I'm unable to reproduce on neon unstable. |
SUMMARY I added several widgets by dragging them from Widgets Explorer and dropping them on desktop. I closed the Widget Explorer, reopened it and then Plasma froze. It became unresponsive and its colors desaturate. 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 Continuing. Thread 1 "plasmashell" received signal SIGINT, Interrupt. 0x00007faa02bb1980 in QMutex::lock (this=this@entry=0x7fa9d40abea0) at /usr/include/c++/9/bits/atomic_base.h:769 769 compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2, Thread 28 (Thread 0x7fa97bfff700 (LWP 18870)): #0 0x00007faa0282f5ce in epoll_wait (epfd=107, events=events@entry=0x7fa97bffe7f0, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 #1 0x00007fa9f018127b in impl_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7fa97bffe9a0, n_ev=<optimized out>, timeout=<optimized out>) at ../spa/plugins/support/system.c:155 #2 0x00007fa9f01736f4 in loop_iterate (object=0x555ed1b5efe8, timeout=-1) at ../spa/plugins/support/loop.c:316 #3 0x00007fa9f01ce0e0 in do_loop (user_data=0x555e87afdc30) at ../src/pipewire/data-loop.c:80 #4 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #5 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 27 (Thread 0x7fa9a1eed700 (LWP 18797)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e81a53814) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e81a537c0, cond=0x555e81a537e8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e81a537e8, mutex=0x555e81a537c0) at pthread_cond_wait.c:647 #3 0x00007faa02bb75cb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555e81a537c0) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x555e92bd1c58, mutex=mutex@entry=0x555e92bd1c50, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007faa04822c24 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x555e92bd1c48) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68 #6 QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x555e92bd1bb0) at scenegraph/qsgthreadedrenderloop.cpp:936 #7 0x00007faa04823099 in QSGRenderThread::run() (this=0x555e92bd1bb0) at scenegraph/qsgthreadedrenderloop.cpp:1053 #8 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x555e92bd1bb0) at thread/qthread_unix.cpp:329 #9 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 26 (Thread 0x7fa9797fa700 (LWP 18751)): #0 0x00007faa02822aff in __GI___poll (fds=0x7fa99c115210, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faa010cd36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fa99c115210, timeout=<optimized out>, context=0x7fa99c066020) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fa99c066020, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faa010cd4a3 in g_main_context_iteration (context=0x7fa99c066020, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faa02df2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fa99c165c80, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faa02d968ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fa9797f9be0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faa02bb02c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x555eb3be1310) at thread/qthread_unix.cpp:329 #8 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 25 (Thread 0x7fa955ffb700 (LWP 17362)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa955ffaaa8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fa955ffaa58, cond=0x7fa955ffaa80) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fa955ffaa80, mutex=0x7fa955ffaa58) at pthread_cond_wait.c:647 #3 0x00007fa986b280ab in base::ConditionVariable::Wait() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x00007fa955ffa900 in () #5 0x00007fa986b1d58f in base::FileDescriptorWatcher::~FileDescriptorWatcher() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #6 0x0000555e88259350 in () #7 0x00007fa955ffa928 in () #8 0x0000000000000000 in () Thread 24 (Thread 0x7fa9567fc700 (LWP 17359)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa9567fb9c8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fa9567fb978, cond=0x7fa9567fb9a0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fa9567fb9a0, mutex=0x7fa9567fb978) at pthread_cond_wait.c:647 #3 0x00007fa986b280ab in base::ConditionVariable::Wait() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x0000000000000000 in () Thread 23 (Thread 0x7fa956ffd700 (LWP 17342)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa956ffcaa8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fa956ffca58, cond=0x7fa956ffca80) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fa956ffca80, mutex=0x7fa956ffca58) at pthread_cond_wait.c:647 #3 0x00007fa986b280ab in base::ConditionVariable::Wait() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x00007fa956ffc900 in () #5 0x00007fa986b1d58f in base::FileDescriptorWatcher::~FileDescriptorWatcher() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #6 0x00007fa974022340 in () #7 0x00007fa956ffc928 in () #8 0x0000000000000000 in () Thread 22 (Thread 0x7fa9577fe700 (LWP 17341)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa9577fd9c8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fa9577fd978, cond=0x7fa9577fd9a0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fa9577fd9a0, mutex=0x7fa9577fd978) at pthread_cond_wait.c:647 #3 0x00007fa986b280ab in base::ConditionVariable::Wait() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x0000000000000000 in () Thread 21 (Thread 0x7fa957fff700 (LWP 17340)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa957ffe9c8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fa957ffe978, cond=0x7fa957ffe9a0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fa957ffe9a0, mutex=0x7fa957ffe978) at pthread_cond_wait.c:647 #3 0x00007fa986b280ab in base::ConditionVariable::Wait() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x0000000000000000 in () Thread 20 (Thread 0x7fa978ff9700 (LWP 17339)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e9c5e8e0c) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e9c5e8d48, cond=0x555e9c5e8de0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e9c5e8de0, mutex=0x555e9c5e8d48) at pthread_cond_wait.c:647 #3 0x00007fa986b280ab in base::ConditionVariable::Wait() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x00007fa95c000bf0 in () #5 0x00007fa97403d2e8 in () #6 0x00007fa978ff8c00 in () #7 0x00007fa986b0f7c1 in base::ThreadIdNameManager::SetName(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #8 0x0000000000000000 in () Thread 19 (Thread 0x7fa97a7fc700 (LWP 17336)): #0 0x00007faa0282512b in __GI___select (nfds=96, readfds=0x7fa97a7fbb60, writefds=0x0, exceptfds=0x0, timeout=0x0) at ../sysdeps/unix/sysv/linux/select.c:41 #1 0x00007fa986b2dd94 in base::(anonymous namespace)::InotifyReaderThreadDelegate::ThreadMain() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #2 0x0000000000000030 in () #3 0x00007fa900000004 in () #4 0x00007fa97a7fbb60 in () #5 0x00007fa97a7fbbe0 in () #6 0x0000000000000001 in () #7 0x00007fa97a7fbbf0 in () #8 0x0000000000000000 in () Thread 18 (Thread 0x7fa97affd700 (LWP 17335)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fa97affc8f0, clockid=<optimized out>, expected=0, futex_word=0x7fa97affcac8) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fa97affc8f0, clockid=<optimized out>, mutex=0x7fa97affca78, cond=0x7fa97affcaa0) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7fa97affcaa0, mutex=0x7fa97affca78, abstime=0x7fa97affc8f0) at pthread_cond_wait.c:665 #3 0x00007fa986b2820a in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x0000000000001544 in () #5 0x000000003849a071 in () #6 0x0000000000001523 in () #7 0x000000003849a071 in () #8 0x0000000000000001 in () #9 0x00007fa986b00064 in base::internal::ThreadGroup::GetNumAdditionalWorkersForForegroundTaskSourcesLockRequired() const () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #10 0x0000000000000000 in () Thread 17 (Thread 0x7fa980c6a700 (LWP 17332)): #0 0x00007faa0282f5ce in epoll_wait (epfd=90, events=0x7fa974002090, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 #1 0x00007fa9a294b5e9 in () at /lib/x86_64-linux-gnu/libevent-2.1.so.7 #2 0x00007fa9a2941625 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.7 #3 0x00007fa986b37947 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x00007fa980c69b50 in () #5 0x0001000000000000 in () #6 0x00007fa980c69a20 in () #7 0x00007fa980c69a18 in () #8 0x00007fa980c69ad8 in () #9 0x00007fa980c69b50 in () #10 0x00007fa980c69bb0 in () #11 0x00007faa027aa419 in __GI___libc_malloc (bytes=140365986699872) at malloc.c:3066 #12 0x0000000000000001 in () #13 0x7fffffffffffffff in () #14 0x00007fa980c69bb0 in () #15 0x00007fa980c69a90 in () #16 0x00007fa986aee69c in base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #17 0x0000000000000000 in () Thread 16 (Thread 0x7fa98146b700 (LWP 17331)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fa98146a8f0, clockid=<optimized out>, expected=0, futex_word=0x7fa98146aac8) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fa98146a8f0, clockid=<optimized out>, mutex=0x7fa98146aa78, cond=0x7fa98146aaa0) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7fa98146aaa0, mutex=0x7fa98146aa78, abstime=0x7fa98146a8f0) at pthread_cond_wait.c:665 #3 0x00007fa986b2820a in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x0000000000001544 in () #5 0x0000000038556282 in () #6 0x0000000000001523 in () #7 0x0000000038556282 in () #8 0x00007fa970001d68 in () #9 0x00007fa986b3ae81 in (anonymous namespace)::ClockNow(int) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #10 0x00007fa986b28cef in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #11 0x0000000000000001 in () #12 0x00007fa98146aa60 in () #13 0x0000000000000000 in () Thread 15 (Thread 0x7fa9ea7fc700 (LWP 17330)): #0 0x00007faa0282f5ce in epoll_wait (epfd=85, events=0x7fa9d001e550, maxevents=32, timeout=2049584) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 #1 0x00007fa9a294b5e9 in () at /lib/x86_64-linux-gnu/libevent-2.1.so.7 #2 0x00007fa9a2941625 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.7 #3 0x00007fa986b37918 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #4 0x00007fa9d006ba80 in () #5 0x00017fa9ea7fbbb0 in () #6 0x00007fa9ea7fba40 in () #7 0x00007fa9ea7fba38 in () #8 0x0000000000000000 in () Thread 14 (Thread 0x7fa9a0eeb700 (LWP 17329)): #0 0x00007faa027f2dff in __GI___wait4 (pid=17326, stat_loc=0x7fa9a0eeabcc, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27 #1 0x00007fa986b2760b in base::Process::WaitForExitWithTimeout(base::TimeDelta, int*) const () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #2 0x00007fa9c80a2f20 in () #3 0x00007fa9c8033df0 in () #4 0x0000000000000000 in () Thread 13 (Thread 0x7fa9eaffd700 (LWP 17323)): #0 0x00007faa02822aff in __GI___poll (fds=0x7fa9eaffca50, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fa9895d61da in content::SandboxIPCHandler::Run() () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #2 0x0000000100000051 in () #3 0x0000000100000050 in () #4 0x00007fa9eaffcb00 in () #5 0x00007faa02a423a4 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_mutate(unsigned long, unsigned long, char const*, unsigned long) () at /lib/x86_64-linux-gnu/libstdc++.so.6 #6 0x00007fa9eaffcae0 in () #7 0x00007fa9eaffcbb0 in () #8 0x00007fa986b2fafe in base::(anonymous namespace)::SetThreadCgroupForThreadPriority(int, base::FilePath const&, base::ThreadPriority) () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5 #9 0x000000000000001f in () #10 0x000000000000001f in () #11 0x0000000000000009 in () #12 0x00007fa9eaffcb10 in () #13 0x0000000000000000 in () Thread 12 (Thread 0x7fa9a37fe700 (LWP 17265)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e7c454884) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e7c454830, cond=0x555e7c454858) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e7c454858, mutex=0x555e7c454830) at pthread_cond_wait.c:647 #3 0x00007faa02bb75cb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555e7c454830) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x555e7dc36c18, mutex=mutex@entry=0x555e7dc36c10, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007faa04822c24 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x555e7dc36c08) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68 #6 QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x555e7dc36b70) at scenegraph/qsgthreadedrenderloop.cpp:936 #7 0x00007faa04823099 in QSGRenderThread::run() (this=0x555e7dc36b70) at scenegraph/qsgthreadedrenderloop.cpp:1053 #8 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x555e7dc36b70) at thread/qthread_unix.cpp:329 #9 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 11 (Thread 0x7fa9c154f700 (LWP 17207)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e7e40c8f4) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e7e40c8a0, cond=0x555e7e40c8c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e7e40c8c8, mutex=0x555e7e40c8a0) at pthread_cond_wait.c:647 #3 0x00007faa02bb75cb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555e7e40c8a0) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7fa9f8078318, mutex=mutex@entry=0x7fa9f8078310, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007faa04822c24 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x7fa9f8078308) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68 #6 QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x7fa9f8078270) at scenegraph/qsgthreadedrenderloop.cpp:936 #7 0x00007faa04823099 in QSGRenderThread::run() (this=0x7fa9f8078270) at scenegraph/qsgthreadedrenderloop.cpp:1053 #8 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x7fa9f8078270) at thread/qthread_unix.cpp:329 #9 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7fa9c2cd9700 (LWP 17196)): #0 0x00007faa02822aff in __GI___poll (fds=0x7fa9b4006150, nfds=1, timeout=3205967) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faa010cd36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fa9b4006150, timeout=<optimized out>, context=0x7fa9b4000c20) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fa9b4000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faa010cd4a3 in g_main_context_iteration (context=0x7fa9b4000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faa02df2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fa9b4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faa02d968ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fa9c2cd8ba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faa02bb02c2 in QThread::exec() (this=this@entry=0x555e7dfb0a80) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007fa9c2db907c in KCupsConnection::run() (this=0x555e7dfb0a80) at ./libkcups/KCupsConnection.cpp:289 #8 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x555e7dfb0a80) at thread/qthread_unix.cpp:329 #9 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7fa9e9ffb700 (LWP 17185)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e7928c1b0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e7928c160, cond=0x555e7928c188) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e7928c188, mutex=0x555e7928c160) at pthread_cond_wait.c:647 #3 0x00007faa02bb75cb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555e7928c160) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x555e7c481858, mutex=mutex@entry=0x555e7c481850, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007faa04822c24 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x555e7c481848) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68 #6 QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x555e7c4817b0) at scenegraph/qsgthreadedrenderloop.cpp:936 #7 0x00007faa04823099 in QSGRenderThread::run() (this=0x555e7c4817b0) at scenegraph/qsgthreadedrenderloop.cpp:1053 #8 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x555e7c4817b0) at thread/qthread_unix.cpp:329 #9 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fa9f10c3700 (LWP 17177)): #0 0x00007faa02822aff in __GI___poll (fds=0x7fa9d804c950, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faa010cd36e in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7fa9d804c950, timeout=<optimized out>, context=0x7fa9d80346c0) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fa9d80346c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faa010cd4a3 in g_main_context_iteration (context=0x7fa9d80346c0, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faa02df2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fa9d800c5b0, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faa02d968ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fa9f10c2ba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faa02bb02c2 in QThread::exec() (this=this@entry=0x555e7c107cd0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faa0475d3fa in QQuickPixmapReader::run() (this=0x555e7c107cd0) at util/qquickpixmapcache.cpp:1024 #8 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x555e7c107cd0) at thread/qthread_unix.cpp:329 #9 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fa9f44e6700 (LWP 17158)): #0 0x00007faa02822aff in __GI___poll (fds=0x7fa9d4004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faa010cd36e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fa9d4004e60, timeout=<optimized out>, context=0x7fa9d4000c20) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fa9d4000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faa010cd4a3 in g_main_context_iteration (context=0x7fa9d4000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faa02df2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fa9d4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faa02d968ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fa9f44e5bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faa02bb02c2 in QThread::exec() (this=this@entry=0x555e79029470) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faa043c3549 in QQmlThreadPrivate::run() (this=0x555e79029470) at qml/ftw/qqmlthread.cpp:155 #8 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x555e79029470) at thread/qthread_unix.cpp:329 #9 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7fa9f67fc700 (LWP 17103)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e78dc8fdc) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e78dc8f88, cond=0x555e78dc8fb0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e78dc8fb0, mutex=0x555e78dc8f88) at pthread_cond_wait.c:647 #3 0x00007fa9fcacea4b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fa9fcace64b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fa9f6ffd700 (LWP 17102)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e78dc8fdc) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e78dc8f88, cond=0x555e78dc8fb0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e78dc8fb0, mutex=0x555e78dc8f88) at pthread_cond_wait.c:647 #3 0x00007fa9fcacea4b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fa9fcace64b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fa9f77fe700 (LWP 17101)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e78dc8fdc) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e78dc8f88, cond=0x555e78dc8fb0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e78dc8fb0, mutex=0x555e78dc8f88) at pthread_cond_wait.c:647 #3 0x00007fa9fcacea4b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fa9fcace64b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fa9f7fff700 (LWP 17100)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555e78dc8fdc) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e78dc8f88, cond=0x555e78dc8fb0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555e78dc8fb0, mutex=0x555e78dc8f88) at pthread_cond_wait.c:647 #3 0x00007fa9fcacea4b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fa9fcace64b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fa9fe293700 (LWP 17033)): #0 0x00007faa02822aff in __GI___poll (fds=0x7fa9f8091e50, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007faa010cd36e in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7fa9f8091e50, timeout=<optimized out>, context=0x7fa9f8000c20) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x7fa9f8000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042 #3 0x00007faa010cd4a3 in g_main_context_iteration (context=0x7fa9f8000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007faa02df2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fa9f8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007faa02d968ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fa9fe292bb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #6 0x00007faa02bb02c2 in QThread::exec() (this=this@entry=0x7faa037a7d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007faa03723f4b in QDBusConnectionManager::run() (this=0x7faa037a7d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179 #8 0x00007faa02bb145c in QThreadPrivate::start(void*) (arg=0x7faa037a7d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329 #9 0x00007faa01aff609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #10 0x00007faa0282f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fa9fe9769c0 (LWP 16998)): #0 0x00007faa02bb1980 in QMutex::lock() (this=this@entry=0x7fa9d40abea0) at /usr/include/c++/9/bits/atomic_base.h:769 #1 0x00007faa04336d0d in QMutexLocker::QMutexLocker(QBasicMutex*) (m=0x7fa9d40abea0, this=<synthetic pointer>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qmutex.h:238 #2 QQmlTypeModule::type(QV4::String const*, int) const (this=0x7fa9d4092c30, name=name@entry=0x7fa9f38a75b0, minor=0) at qml/qqmltypemodule.cpp:155 #3 0x00007faa04338460 in QQmlTypeModuleVersion::type(QV4::String const*) const (this=this@entry=0x7fa9d4a4b158, name=name@entry=0x7fa9f38a75b0) at qml/qqmltypemoduleversion.cpp:92 #4 0x00007faa04359b8b in QQmlTypeNameCache::typeSearch<QV4::String const*>(QVector<QQmlTypeModuleVersion> const&, QV4::String const*) const (key=0x7fa9f38a75b0, modules=..., this=0x7fa9d4a3e6e0) at qml/qqmltypenamecache_p.h:148 #5 QQmlTypeNameCache::query(QV4::String const*, QQmlImportRef const*) const (this=0x7fa9d4a3e6e0, name=0x7fa9f38a75b0, importNamespace=0x7fa9d4a4b060) at qml/qqmltypenamecache.cpp:181 #6 0x00007faa0438d6c7 in QV4::QQmlTypeWrapper::virtualGet(QV4::Managed const*, QV4::PropertyKey, QV4::Value const*, bool*) (m=0x7fa9f38a75a0, id=..., receiver=0x7fa9f38a75a0, hasProperty=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/common/qv4staticvalue_p.h:325 #7 0x00007faa041a167c in QV4::Object::get(QV4::StringOrSymbol*, bool*, QV4::Value const*) const (receiver=0x7fa9f38a75a0, hasProperty=0x0, name=0x7fa9f38a75a8, this=0x7fa9f38a75a0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4string_p.h:167 #8 QV4::Lookup::getterFallback(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value const&) (l=<optimized out>, engine=0x555e791bd2d0, object=...) at jsruntime/qv4lookup.cpp:201 #9 0x00007fa9c06fb744 in () #10 0x0000000000000000 in () Detaching from program: /usr/bin/plasmashell, process 16998 [Inferior 1 (process 16998) detached]