Summary: | kwin_wayland crashed when external monitor was turned on | ||
---|---|---|---|
Product: | [Plasma] kwin | Reporter: | Patrick Silva <bugseforuns> |
Component: | wayland-generic | Assignee: | KWin default assignee <kwin-bugs-null> |
Status: | RESOLVED FIXED | ||
Severity: | crash | CC: | kde.org, kde |
Priority: | NOR | ||
Version: | git master | ||
Target Milestone: | --- | ||
Platform: | Arch Linux | ||
OS: | Linux | ||
Latest Commit: | Version Fixed In: |
Description
Patrick Silva
2020-04-06 14:24:21 UTC
Thread 11 (Thread 13503.13543): #0 0x00007f243f7469f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f243d30efb8 <QTWTF::pageheap_memory+57592>) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x7f243d30ef68 <QTWTF::pageheap_memory+57512>, cond=0x7f243d30ef90 <QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=cond@entry=0x7f243d30ef90 <QTWTF::pageheap_memory+57552>, mutex=mutex@entry=0x7f243d30ef68 <QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:655 #3 0x00007f243d019944 in QTWTF::TCMalloc_PageHeap::scavengerThread ( this=0x7f243d300ec0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #4 0x00007f243d019989 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #5 0x00007f243f7406db in start_thread (arg=0x7f23f6472700) at pthread_create.c:463 #6 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 13503.13542): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f243e085d44 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:116 #2 QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> > (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:135 #3 futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:219 #4 futexSemaphoreTryAcquire<false> (timeout=-1, n=n@entry=1, u=...) at thread/qsemaphore.cpp:262 #5 QSemaphore::acquire (this=this@entry=0x55e479913f80, n=n@entry=1) at thread/qsemaphore.cpp:326 #6 0x00007f2427ae5d7a in QtVirtualKeyboard::HunspellWorker::run (this=0x55e479913f60) at hunspellworker.cpp:744 #7 0x00007f243e0837ec in QThreadPrivate::start (arg=0x55e479913f60) at thread/qthread_unix.cpp:342 #8 0x00007f243f7406db in start_thread (arg=0x7f23f6c73700) at pthread_create.c:463 #9 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 13503.13540): #0 0x00007f243f7469f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e479823580) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x55e479823530, cond=0x55e479823558) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=cond@entry=0x55e479823558, mutex=mutex@entry=0x55e479823530) at pthread_cond_wait.c:655 #3 0x00007f243e089d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55e479823530) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait (this=<optimized out>, mutex=0x55e479823408, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007f243e089f19 in QWaitCondition::wait (this=this@entry=0x55e479823410, mutex=mutex@entry=0x55e479823408, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208 #6 0x00007f23f95318eb in FileInfoThread::run (this=0x55e4798233f8) at fileinfothread.cpp:231 #7 0x00007f243e0837ec in QThreadPrivate::start (arg=0x55e4798233f8) at thread/qthread_unix.cpp:342 #8 0x00007f243f7406db in start_thread (arg=0x7f23f7c75700) at pthread_create.c:463 #9 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 13503.13539): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f243e085d44 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:116 #2 QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> > (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:135 #3 futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:219 #4 futexSemaphoreTryAcquire<false> (timeout=-1, n=n@entry=1, u=...) at thread/qsemaphore.cpp:262 #5 QSemaphore::acquire (this=this@entry=0x55e479543720, n=n@entry=1) at thread/qsemaphore.cpp:326 #6 0x00007f2427ae5d7a in QtVirtualKeyboard::HunspellWorker::run (this=0x55e479543700) at hunspellworker.cpp:744 #7 0x00007f243e0837ec in QThreadPrivate::start (arg=0x55e479543700) at thread/qthread_unix.cpp:342 #8 0x00007f243f7406db in start_thread (arg=0x7f23f8476700) at pthread_create.c:463 #9 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 13503.13538): #0 0x00007f243d743bf9 in __GI___poll (fds=0x7f23fc0029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f2434b255c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f2434b256dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f243e2d20bc in QEventDispatcherGlib::processEvents (this=0x7f23fc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007f243e27163a in QEventLoop::exec (this=this@entry=0x7f24048f4d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007f243e082317 in QThread::exec (this=this@entry=0x55e47954ab00) at thread/qthread.cpp:536 #6 0x00007f2439477605 in QQmlThreadPrivate::run (this=0x55e47954ab00) at qml/ftw/qqmlthread.cpp:155 #7 0x00007f243e0837ec in QThreadPrivate::start (arg=0x55e47954ab00) at thread/qthread_unix.cpp:342 #8 0x00007f243f7406db in start_thread (arg=0x7f24048f5700) at pthread_create.c:463 #9 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 13503.13536): #0 0x00007f243d743bf9 in __GI___poll (fds=0x7f2400002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f2434b255c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f2434b256dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f243e2d20bc in QEventDispatcherGlib::processEvents (this=0x7f2400000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007f243e27163a in QEventLoop::exec (this=this@entry=0x7f240e738d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007f243e082317 in QThread::exec (this=this@entry=0x55e479382b10) at thread/qthread.cpp:536 #6 0x00007f2439477605 in QQmlThreadPrivate::run (this=0x55e479382b10) at qml/ftw/qqmlthread.cpp:155 #7 0x00007f243e0837ec in QThreadPrivate::start (arg=0x55e479382b10) at thread/qthread_unix.cpp:342 #8 0x00007f243f7406db in start_thread (arg=0x7f240e739700) at pthread_create.c:463 #9 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 13503.13508): #0 0x00007f243f7469f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e478fa2a58) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x55e478fa2a08, cond=0x55e478fa2a30) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x55e478fa2a30, mutex=0x55e478fa2a08) at pthread_cond_wait.c:655 #3 0x00007f24167b8ecb in ?? () from target:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007f24167b8ac7 in ?? () from target:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007f243f7406db in start_thread (arg=0x7f241511b700) at pthread_create.c:463 #6 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 13503.13507): #0 0x00007f243d743bf9 in __GI___poll (fds=0x7f241c0029e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f2434b255c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f2434b256dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f243e2d20bc in QEventDispatcherGlib::processEvents (this=0x7f241c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007f243e27163a in QEventLoop::exec (this=this@entry=0x7f2425751da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007f243e082317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536 #6 0x00007f243e0837ec in QThreadPrivate::start (arg=0x55e478ee26f0) at thread/qthread_unix.cpp:342 #7 0x00007f243f7406db in start_thread (arg=0x7f2425752700) at pthread_create.c:463 #8 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 13503.13506): #0 0x00007f243d743bf9 in __GI___poll (fds=0x7f2418002de0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f2434b255c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f2434b256dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f243e2d20bc in QEventDispatcherGlib::processEvents (this=0x7f2418000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007f243e27163a in QEventLoop::exec (this=this@entry=0x7f2425f52da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007f243e082317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536 #6 0x00007f243e0837ec in QThreadPrivate::start (arg=0x55e478ee1720) at thread/qthread_unix.cpp:342 #7 0x00007f243f7406db in start_thread (arg=0x7f2425f53700) at pthread_create.c:463 #8 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 13503.13505): #0 0x00007f243d743bf9 in __GI___poll (fds=0x7f24200175b0, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f2434b255c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f2434b256dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f243e2d20bc in QEventDispatcherGlib::processEvents (this=0x7f2420000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007f243e27163a in QEventLoop::exec (this=this@entry=0x7f2426db9d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007f243e082317 in QThread::exec (this=this@entry=0x7f243f737da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:536 #6 0x00007f243f4bf555 in QDBusConnectionManager::run (this=0x7f243f737da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179 #7 0x00007f243e0837ec in QThreadPrivate::start (arg=0x7f243f737da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:342 #8 0x00007f243f7406db in start_thread (arg=0x7f2426dba700) at pthread_create.c:463 #9 0x00007f243d75088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 13503.13503): #0 0x00007f243f9d581d in KWayland::Server::OutputInterface::clientResources(KWayland::Server::ClientConnection*) const () from target:/usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5 #1 0x00007f243fa039bc in KWayland::Server::SurfaceInterface::setOutputs(QVector<KWayland::Server::OutputInterface*> const&) () from target:/usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5 #2 0x00007f2440e5ac90 in KWin::XdgShellClient::updateClientOutputs (this=0x55e479b38ec0) at ./xdgshellclient.cpp:1951 #3 0x00007f243e2adfe7 in QtPrivate::QSlotObjectBase::call (a=0x7ffe0b3abe10, r=0x55e479b38ec0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394 #4 doActivate<false> (sender=0x55e478fe0700, signal_index=4, argv=0x7ffe0b3abe10) at kernel/qobject.cpp:3870 #5 0x00007f243e2adfe7 in QtPrivate::QSlotObjectBase::call (a=0x7ffe0b3abef0, r=0x55e478fe0700, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394 #6 doActivate<false> (sender=0x55e478ece220, signal_index=3, argv=0x7ffe0b3abef0) at kernel/qobject.cpp:3870 #7 0x00007f243e2a88a2 in QMetaObject::activate (sender=sender@entry=0x55e478ece220, m=m@entry=0x7f2441160240 <KWin::Platform::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3930 #8 0x00007f2440e8c510 in KWin::Platform::screensQueried (this=this@entry=0x55e478ece220) at ./obj-x86_64-linux-gnu/kwin_autogen/EWIEGA46WW/moc_platform.cpp:313 #9 0x00007f242638a34e in KWin::DrmBackend::updateOutputs (this=0x55e478ece220) at ./plugins/platforms/drm/drm_backend.cpp:505 #10 0x00007f242638af8a in KWin::DrmBackend::<lambda()>::operator() (__closure=0x55e478fe04d0) at ./plugins/platforms/drm/drm_backend.cpp:374 #11 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, KWin::DrmBackend::openDrm()::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:146 #12 QtPrivate::Functor<KWin::DrmBackend::openDrm()::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:256 #13 QtPrivate::QFunctorSlotObject<KWin::DrmBackend::openDrm()::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=1, this_=0x55e478fe04c0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:439 #14 0x00007f243e2adfe7 in QtPrivate::QSlotObjectBase::call (a=0x7ffe0b3ac1b0, r=0x55e478ece220, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394 #15 doActivate<false> (sender=0x55e478fe04e0, signal_index=3, argv=0x7ffe0b3ac1b0) at kernel/qobject.cpp:3870 #16 0x00007f243e2a88a2 in QMetaObject::activate (sender=sender@entry=0x55e478fe04e0, m=m@entry=0x7f243e740bc0 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe0b3ac1b0) at kernel/qobject.cpp:3930 #17 0x00007f243e2b15c8 in QSocketNotifier::activated (this=this@entry=0x55e478fe04e0, _t1=<optimized out>, _t2=...) at .moc/moc_qsocketnotifier.cpp:141 #18 0x00007f243e2b1982 in QSocketNotifier::event (this=0x55e478fe04e0, e=0x7ffe0b3ac480) at kernel/qsocketnotifier.cpp:266 #19 0x00007f243e8a68bc in QApplicationPrivate::notify_helper (this=this@entry=0x55e478e8ac80, receiver=receiver@entry=0x55e478fe04e0, e=e@entry=0x7ffe0b3ac480) at kernel/qapplication.cpp:3684 #20 0x00007f243e8adac0 in QApplication::notify (this=0x7ffe0b3ac890, receiver=0x55e478fe04e0, e=0x7ffe0b3ac480) at kernel/qapplication.cpp:3430 #21 0x00007f243e272db8 in QCoreApplication::notifyInternal2 (receiver=0x55e478fe04e0, event=0x7ffe0b3ac480) at kernel/qcoreapplication.cpp:1092 #22 0x00007f243e2cf283 in QEventDispatcherUNIXPrivate::activateSocketNotifiers (this=this@entry=0x55e478e99f20) at kernel/qeventdispatcher_unix.cpp:304 #23 0x00007f243e2cf68f in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:509 #24 0x00007f2429fecc2d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from target:/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/KWinQpaPlugin.so #25 0x00007f243e27163a in QEventLoop::exec (this=this@entry=0x7ffe0b3ac630, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #26 0x00007f243e27adb0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1400 #27 0x000055e47736e0df in main (argc=<optimized out>, argv=<optimized out>) at ./main_wayland.cpp:679 Detaching from program: target:/usr/bin/kwin_wayland, process 13503 Ending remote debugging. Interesting. Could you get a backtrace with debug symbols of kwayland? In fact I do not need to turn external monitor on. kwin_wayland crashes immediatelly when external monnitor is reconnected in the last step. Thread 11 (Thread 3805.3843): #0 0x00007fde995c29f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fde9718afb8 <QTWTF::pageheap_memory+57592>) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x7fde9718af68 <QTWTF::pageheap_memory+57512>, cond=0x7fde9718af90 <QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=cond@entry=0x7fde9718af90 <QTWTF::pageheap_memory+57552>, mutex=mutex@entry=0x7fde9718af68 <QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:655 #3 0x00007fde96e95944 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fde9717cec0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #4 0x00007fde96e95989 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #5 0x00007fde995bc6db in start_thread (arg=0x7fde43fff700) at pthread_create.c:463 #6 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 3805.3842): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007fde97f01d44 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:116 #2 QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> > (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:135 #3 futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:219 #4 futexSemaphoreTryAcquire<false> (timeout=-1, n=n@entry=1, u=...) at thread/qsemaphore.cpp:262 #5 QSemaphore::acquire (this=this@entry=0x5644fe31ad70, n=n@entry=1) at thread/qsemaphore.cpp:326 #6 0x00007fde81961d7a in QtVirtualKeyboard::HunspellWorker::run (this=0x5644fe31ad50) at hunspellworker.cpp:744 #7 0x00007fde97eff7ec in QThreadPrivate::start (arg=0x5644fe31ad50) at thread/qthread_unix.cpp:342 #8 0x00007fde995bc6db in start_thread (arg=0x7fde50a95700) at pthread_create.c:463 #9 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 3805.3840): #0 0x00007fde995c29f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644fe3c1a30) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5644fe3c19e0, cond=0x5644fe3c1a08) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=cond@entry=0x5644fe3c1a08, mutex=mutex@entry=0x5644fe3c19e0) at pthread_cond_wait.c:655 #3 0x00007fde97f05d9b in QWaitConditionPrivate::wait (deadline=..., this=0x5644fe3c19e0) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait (this=<optimized out>, mutex=0x5644fdf45708, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007fde97f05f19 in QWaitCondition::wait (this=this@entry=0x5644fdf45710, mutex=mutex@entry=0x5644fdf45708, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208 #6 0x00007fde533538eb in FileInfoThread::run (this=0x5644fdf456f8) at fileinfothread.cpp:231 #7 0x00007fde97eff7ec in QThreadPrivate::start (arg=0x5644fdf456f8) at thread/qthread_unix.cpp:342 #8 0x00007fde995bc6db in start_thread (arg=0x7fde51a97700) at pthread_create.c:463 #9 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 3805.3839): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007fde97f01d44 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:116 #2 QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> > (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:135 #3 futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:219 #4 futexSemaphoreTryAcquire<false> (timeout=-1, n=n@entry=1, u=...) at thread/qsemaphore.cpp:262 #5 QSemaphore::acquire (this=this@entry=0x5644fe364ff0, n=n@entry=1) at thread/qsemaphore.cpp:326 #6 0x00007fde81961d7a in QtVirtualKeyboard::HunspellWorker::run (this=0x5644fe364fd0) at hunspellworker.cpp:744 #7 0x00007fde97eff7ec in QThreadPrivate::start (arg=0x5644fe364fd0) at thread/qthread_unix.cpp:342 #8 0x00007fde995bc6db in start_thread (arg=0x7fde52298700) at pthread_create.c:463 #9 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 3805.3838): #0 0x00007fde975bfbf9 in __GI___poll (fds=0x7fde540029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fde8e9a15c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fde8e9a16dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fde9814e0bc in QEventDispatcherGlib::processEvents (this=0x7fde54000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007fde980ed63a in QEventLoop::exec (this=this@entry=0x7fde5a765d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007fde97efe317 in QThread::exec (this=this@entry=0x5644fe462b00) at thread/qthread.cpp:536 #6 0x00007fde932f3605 in QQmlThreadPrivate::run (this=0x5644fe462b00) at qml/ftw/qqmlthread.cpp:155 #7 0x00007fde97eff7ec in QThreadPrivate::start (arg=0x5644fe462b00) at thread/qthread_unix.cpp:342 #8 0x00007fde995bc6db in start_thread (arg=0x7fde5a766700) at pthread_create.c:463 #9 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 3805.3837): #0 0x00007fde975bfbf9 in __GI___poll (fds=0x7fde5c002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fde8e9a15c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fde8e9a16dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fde9814e0bc in QEventDispatcherGlib::processEvents (this=0x7fde5c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007fde980ed63a in QEventLoop::exec (this=this@entry=0x7fde67ffed80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007fde97efe317 in QThread::exec (this=this@entry=0x5644fdb12100) at thread/qthread.cpp:536 #6 0x00007fde932f3605 in QQmlThreadPrivate::run (this=0x5644fdb12100) at qml/ftw/qqmlthread.cpp:155 #7 0x00007fde97eff7ec in QThreadPrivate::start (arg=0x5644fdb12100) at thread/qthread_unix.cpp:342 #8 0x00007fde995bc6db in start_thread (arg=0x7fde67fff700) at pthread_create.c:463 #9 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 3805.3809): #0 0x00007fde995c29f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644fdb00c08) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5644fdb00bb8, cond=0x5644fdb00be0) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x5644fdb00be0, mutex=0x5644fdb00bb8) at pthread_cond_wait.c:655 #3 0x00007fde7855aecb in ?? () from target:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fde7855aac7 in ?? () from target:/usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007fde995bc6db in start_thread (arg=0x7fde72f7d700) at pthread_create.c:463 #6 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 3805.3808): #0 0x00007fde975bfbf9 in __GI___poll (fds=0x7fde6c0029e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fde8e9a15c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fde8e9a16dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fde9814e0bc in QEventDispatcherGlib::processEvents (this=0x7fde6c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007fde980ed63a in QEventLoop::exec (this=this@entry=0x7fde7b3ddda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007fde97efe317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536 #6 0x00007fde97eff7ec in QThreadPrivate::start (arg=0x5644fda7c850) at thread/qthread_unix.cpp:342 #7 0x00007fde995bc6db in start_thread (arg=0x7fde7b3de700) at pthread_create.c:463 #8 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 3805.3807): #0 0x00007fde975bfbf9 in __GI___poll (fds=0x7fde74002de0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fde8e9a15c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fde8e9a16dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fde9814e0bc in QEventDispatcherGlib::processEvents (this=0x7fde74000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007fde980ed63a in QEventLoop::exec (this=this@entry=0x7fde7bbdeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007fde97efe317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536 #6 0x00007fde97eff7ec in QThreadPrivate::start (arg=0x5644fda7b880) at thread/qthread_unix.cpp:342 #7 0x00007fde995bc6db in start_thread (arg=0x7fde7bbdf700) at pthread_create.c:463 #8 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 3805.3806): #0 0x00007fde975bfbf9 in __GI___poll (fds=0x7fde7c0178b0, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fde8e9a15c9 in ?? () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fde8e9a16dc in g_main_context_iteration () from target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fde9814e0bc in QEventDispatcherGlib::processEvents (this=0x7fde7c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #4 0x00007fde980ed63a in QEventLoop::exec (this=this@entry=0x7fde80c35d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #5 0x00007fde97efe317 in QThread::exec (this=this@entry=0x7fde995b3da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:536 #6 0x00007fde9933b555 in QDBusConnectionManager::run (this=0x7fde995b3da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179 #7 0x00007fde97eff7ec in QThreadPrivate::start (arg=0x7fde995b3da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:342 #8 0x00007fde995bc6db in start_thread (arg=0x7fde80c36700) at pthread_create.c:463 #9 0x00007fde975cc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 3805.3805): #0 0x00007fde9985181d in KWayland::Server::OutputInterface::clientResources(KWayland::Server::ClientConnection*) const () from target:/usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5 #1 0x00007fde9987f9bc in KWayland::Server::SurfaceInterface::setOutputs(QVector<KWayland::Server::OutputInterface*> const&) () from target:/usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5 #2 0x00007fde9acd6c90 in KWin::XdgShellClient::updateClientOutputs (this=0x5644fded5280) at ./xdgshellclient.cpp:1951 #3 0x00007fde98129fe7 in QtPrivate::QSlotObjectBase::call (a=0x7ffdb61e0e50, r=0x5644fded5280, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394 #4 doActivate<false> (sender=0x5644fdb791b0, signal_index=4, argv=0x7ffdb61e0e50) at kernel/qobject.cpp:3870 #5 0x00007fde98129fe7 in QtPrivate::QSlotObjectBase::call (a=0x7ffdb61e0f30, r=0x5644fdb791b0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394 #6 doActivate<false> (sender=0x5644fda683a0, signal_index=3, argv=0x7ffdb61e0f30) at kernel/qobject.cpp:3870 #7 0x00007fde981248a2 in QMetaObject::activate (sender=sender@entry=0x5644fda683a0, m=m@entry=0x7fde9afdc240 <KWin::Platform::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3930 #8 0x00007fde9ad08510 in KWin::Platform::screensQueried (this=this@entry=0x5644fda683a0) at ./obj-x86_64-linux-gnu/kwin_autogen/EWIEGA46WW/moc_platform.cpp:313 #9 0x00007fde8020634e in KWin::DrmBackend::updateOutputs (this=0x5644fda683a0) at ./plugins/platforms/drm/drm_backend.cpp:505 #10 0x00007fde80206f8a in KWin::DrmBackend::<lambda()>::operator() (__closure=0x5644fdb78f80) at ./plugins/platforms/drm/drm_backend.cpp:374 #11 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, KWin::DrmBackend::openDrm()::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:146 #12 QtPrivate::Functor<KWin::DrmBackend::openDrm()::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:256 #13 QtPrivate::QFunctorSlotObject<KWin::DrmBackend::openDrm()::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=1, this_=0x5644fdb78f70, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:439 #14 0x00007fde98129fe7 in QtPrivate::QSlotObjectBase::call (a=0x7ffdb61e11f0, r=0x5644fda683a0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394 #15 doActivate<false> (sender=0x5644fdb78f90, signal_index=3, argv=0x7ffdb61e11f0) at kernel/qobject.cpp:3870 #16 0x00007fde981248a2 in QMetaObject::activate (sender=sender@entry=0x5644fdb78f90, m=m@entry=0x7fde985bcbc0 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdb61e11f0) at kernel/qobject.cpp:3930 #17 0x00007fde9812d5c8 in QSocketNotifier::activated (this=this@entry=0x5644fdb78f90, _t1=<optimized out>, _t2=...) at .moc/moc_qsocketnotifier.cpp:141 #18 0x00007fde9812d982 in QSocketNotifier::event (this=0x5644fdb78f90, e=0x7ffdb61e14c0) at kernel/qsocketnotifier.cpp:266 #19 0x00007fde987228bc in QApplicationPrivate::notify_helper (this=this@entry=0x5644fda24c80, receiver=receiver@entry=0x5644fdb78f90, e=e@entry=0x7ffdb61e14c0) at kernel/qapplication.cpp:3684 #20 0x00007fde98729ac0 in QApplication::notify (this=0x7ffdb61e18d0, receiver=0x5644fdb78f90, e=0x7ffdb61e14c0) at kernel/qapplication.cpp:3430 #21 0x00007fde980eedb8 in QCoreApplication::notifyInternal2 (receiver=0x5644fdb78f90, event=0x7ffdb61e14c0) at kernel/qcoreapplication.cpp:1092 #22 0x00007fde9814b283 in QEventDispatcherUNIXPrivate::activateSocketNotifiers (this=this@entry=0x5644fda33ed0) at kernel/qeventdispatcher_unix.cpp:304 #23 0x00007fde9814b68f in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:509 #24 0x00007fde83e68c2d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from target:/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/KWinQpaPlugin.so #25 0x00007fde980ed63a in QEventLoop::exec (this=this@entry=0x7ffdb61e1670, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #26 0x00007fde980f6db0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1400 #27 0x00005644fd7250df in main (argc=<optimized out>, argv=<optimized out>) at ./main_wayland.cpp:679 Detaching from program: target:/usr/bin/kwin_wayland, process 3805 Ending remote debugging. Can you still reproduce this issue with the KDE 5.23? I had a look at the involved code and noticed that it has been rewritten substantially in the mean time. If the problem still persists, please provide a new backtrace. I'm unable to reproduce on neon unstable. |