Application: kwin_x11 (5.8.4) Qt Version: 5.7.0 Frameworks Version: 5.28.0 Operating System: Linux 4.8.11-1-ARCH x86_64 Distribution (Platform): Archlinux Packages -- Information about the crash: - What I was doing when the application crashed: I was creating a Fedora VM in Virtualbox when I had to close the VM and unmount the Fedora ISO, removing it from the virtual drive. After removing it, KWin crashed and restarted. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7fe801749840 (LWP 813))] Thread 13 (Thread 0x7fe716686700 (LWP 8029)): #0 0x00007fe7fa42410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fe7fe60bc2b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7f9845395 in () at /usr/lib/libQt5Quick.so.5 #3 0x00007fe7f9845c8a in () at /usr/lib/libQt5Quick.so.5 #4 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 12 (Thread 0x7fe717687700 (LWP 8028)): #0 0x00007fe801187551 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fe7fe834ac9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7fe8363b8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fe7fe7e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fe7fe6060f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7f917c2d5 in () at /usr/lib/libQt5Qml.so.5 #6 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #7 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 11 (Thread 0x7fe726144700 (LWP 32556)): #0 0x00007fe7fa42410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fe7fe60bc2b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7f9845395 in () at /usr/lib/libQt5Quick.so.5 #3 0x00007fe7f9845c8a in () at /usr/lib/libQt5Quick.so.5 #4 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 10 (Thread 0x7fe7dffff700 (LWP 32553)): #0 0x00007fe7fe8362b9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #1 0x00007fe7fe7e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7fe6060f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #3 0x00007fe7f917c2d5 in () at /usr/lib/libQt5Qml.so.5 #4 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 9 (Thread 0x7fe7de7fd700 (LWP 21213)): #0 0x00007fe801187551 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fe7fe834ac9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7fe8363b8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fe7fe7e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fe7fe6060f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7f917c2d5 in () at /usr/lib/libQt5Qml.so.5 #6 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #7 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 8 (Thread 0x7fe7c969e700 (LWP 10035)): #0 0x00007fe7fa42410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fe7fe60bc2b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7f9845395 in () at /usr/lib/libQt5Quick.so.5 #3 0x00007fe7f9845c8a in () at /usr/lib/libQt5Quick.so.5 #4 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 7 (Thread 0x7fe7325da700 (LWP 7373)): #0 0x00007fe7fa42410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fe7fe60bc2b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7f9845395 in () at /usr/lib/libQt5Quick.so.5 #3 0x00007fe7f9845c8a in () at /usr/lib/libQt5Quick.so.5 #4 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 6 (Thread 0x7fe7dd2ce700 (LWP 20726)): #0 0x00007fe801187551 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fe7fe834ac9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7fe8363b8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fe7fe7e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fe7fe6060f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #6 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #7 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fe7dcabd700 (LWP 885)): #0 0x00007fe7fa42410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fe7fd77aac4 in () at /usr/lib/libQt5Script.so.5 #2 0x00007fe7fd77ab09 in () at /usr/lib/libQt5Script.so.5 #3 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fe7df7fe700 (LWP 873)): #0 0x00007fe801187551 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fe7fe834ac9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7fe8363b8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fe7fe7e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fe7fe6060f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7f917c2d5 in () at /usr/lib/libQt5Qml.so.5 #6 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #7 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fe7e5f3f700 (LWP 833)): #0 0x00007fe801187551 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fe7fe834ac9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fe7fe8363b8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fe7fe7e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fe7fe6060f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7f8346e55 in () at /usr/lib/libQt5DBus.so.5 #6 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #7 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fe7e8066700 (LWP 827)): #0 0x00007fe80118748d in poll () at /usr/lib/libc.so.6 #1 0x00007fe8002c78e0 in () at /usr/lib/libxcb.so.1 #2 0x00007fe8002c9679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1 #3 0x00007fe7e8f3e449 in () at /usr/lib/libQt5XcbQpa.so.5 #4 0x00007fe7fe60ad78 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fe7fa41e454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fe8011907df in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fe801749840 (LWP 813)): [KCrash Handler] #6 0x0000000000720000 in () #7 0x00007fe7fe816cf0 in QObject::connect(QObject const*, char const*, QObject const*, char const*, Qt::ConnectionType) () at /usr/lib/libQt5Core.so.5 #8 0x00007fe7fd7bcf6f in () at /usr/lib/libQt5Script.so.5 #9 0x00007fe7fd7bd034 in () at /usr/lib/libQt5Script.so.5 #10 0x00007fe7fd7bd2b2 in QScriptEngine::newQObject(QObject*, QScriptEngine::ValueOwnership, QFlags<QScriptEngine::QObjectWrapOption> const&) () at /usr/lib/libQt5Script.so.5 #11 0x00007fe800d9197c in () at /usr/lib/libkwin.so.5 #12 0x00007fe7fd7bd565 in () at /usr/lib/libQt5Script.so.5 #13 0x00007fe7fd7e5fb6 in () at /usr/lib/libQt5Script.so.5 #14 0x00007fe7fd7ee281 in () at /usr/lib/libQt5Script.so.5 #15 0x00007fe7fe8107f4 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5 #16 0x00007fe7fdfc5fc8 in KWin::EffectsHandler::desktopPresenceChanged(KWin::EffectWindow*, int, int) () at /usr/lib/libkwineffects.so.9 #17 0x00007fe7fdfc7981 in () at /usr/lib/libkwineffects.so.9 #18 0x00007fe7fe8114b9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5 #19 0x00007fe7ff4c4e0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #20 0x00007fe7ff4cc581 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #21 0x00007fe7fe7e4de0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #22 0x00007fe7fe7e756d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5 #23 0x00007fe7fe8361fa in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #24 0x00007fe7e8fb717d in () at /usr/lib/libQt5XcbQpa.so.5 #25 0x00007fe7fe7e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #26 0x00007fe7fe7eb73c in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #27 0x00007fe80144f495 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so #28 0x00007fe8010c8291 in __libc_start_main () at /usr/lib/libc.so.6 #29 0x000000000040069a in _start () Reported using DrKonqi
Unfortunately the backtrace is (as always with Arch) lacking debug symbols. We see that it crashes, but not where and why. There is nothing we can do to investigate.
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days, the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please set the bug status as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!