Application: kwin_x11 (5.17.5) Qt Version: 5.14.0 Frameworks Version: 5.66.0 Operating System: Linux 5.4.11-arch1-1 x86_64 Distribution: "Arch Linux" -- Information about the crash: - What I was doing when the application crashed: I turned on my monitor and unlocked KDE Plasma. - Unusual behavior I noticed: When clicking on the Steam icon, the window preview was invisible. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7f857a88b880 (LWP 664))] Thread 7 (Thread 0x7f8570ca7700 (LWP 63931)): #0 0x00007f85800d3c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f8580f32cc4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5 #2 0x00007f8580f32da2 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #3 0x00007f857fb8618b in () at /usr/lib/libQt5Quick.so.5 #4 0x00007f857fb8641b in () at /usr/lib/libQt5Quick.so.5 #5 0x00007f8580f2cfd6 in () at /usr/lib/libQt5Core.so.5 #6 0x00007f85800cd4cf in start_thread () at /usr/lib/libpthread.so.0 #7 0x00007f858271b2d3 in clone () at /usr/lib/libc.so.6 Thread 6 (Thread 0x7f84cdb88700 (LWP 63930)): #0 0x00007f8582710ae6 in ppoll () at /usr/lib/libc.so.6 #1 0x00007f858115bcc3 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007f858115d2dd in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007f858110639c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007f8580f2be62 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007f857f7ec249 in QHashedStringRef::indexOf(QChar const&, int) const () at /usr/lib/libQt5Qml.so.5 #6 0x00007fff43b6c2ff in () #7 0x000000000000000a in () #8 0x00005653f5d993f0 in () #9 0x00007f8580f2cfd6 in () at /usr/lib/libQt5Core.so.5 #10 0x00007f85800cd4cf in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007f858271b2d3 in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7f8573fff700 (LWP 17686)): #0 0x00007f8582710ae6 in ppoll () at /usr/lib/libc.so.6 #1 0x00007f858115bcc3 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007f858115d2dd in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007f858110639c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007f8580f2be62 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007f8580f2cfd6 in () at /usr/lib/libQt5Core.so.5 #6 0x00007f85800cd4cf in start_thread () at /usr/lib/libpthread.so.0 #7 0x00007f858271b2d3 in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7f8572591700 (LWP 923)): #0 0x00007f85800d3c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f8580a26f3c in () at /usr/lib/libQt5Script.so.5 #2 0x00007f8580a26f59 in () at /usr/lib/libQt5Script.so.5 #3 0x00007f85800cd4cf in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007f858271b2d3 in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7f85737fe700 (LWP 752)): #0 0x00007f8582710ae6 in ppoll () at /usr/lib/libc.so.6 #1 0x00007f858115bcc3 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007f858115d2dd in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007f858110639c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007f8580f2be62 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007f857f7ec249 in QHashedStringRef::indexOf(QChar const&, int) const () at /usr/lib/libQt5Qml.so.5 #6 0x00007fff43b6c23f in () #7 0x000000000000000a in () #8 0x00005653f5444a90 in () #9 0x00007f8580f2cfd6 in () at /usr/lib/libQt5Core.so.5 #10 0x00007f85800cd4cf in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007f858271b2d3 in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7f8579467700 (LWP 693)): #0 0x00007f8582710ae6 in ppoll () at /usr/lib/libc.so.6 #1 0x00007f858115bcc3 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007f858115d2dd in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007f858110639c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007f8580f2be62 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007f857f16bb28 in () at /usr/lib/libQt5DBus.so.5 #6 0x00007f8580f2cfd6 in () at /usr/lib/libQt5Core.so.5 #7 0x00007f85800cd4cf in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007f858271b2d3 in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7f857a88b880 (LWP 664)): [KCrash Handler] #6 0x0000000000000008 in () #7 0x00007f8580bbb636 in () at /usr/lib/libkwin4_effect_builtins.so.1 #8 0x00007f8580bbeb5f in () at /usr/lib/libkwin4_effect_builtins.so.1 #9 0x00007f8580bbf095 in () at /usr/lib/libkwin4_effect_builtins.so.1 #10 0x00007f85824176f7 in KWin::EffectsHandlerImpl::checkInputWindowEvent(QMouseEvent*) () at /usr/lib/libkwin.so.5 #11 0x00007f8578c2c45e in () at /usr/lib/qt/plugins/org.kde.kwin.platforms/KWinX11Platform.so #12 0x00007f85824221d2 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib/libkwin.so.5 #13 0x00007f8581104d77 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5 #14 0x00007f857a432ab3 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5 #15 0x00007f857a433839 in QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5XcbQpa.so.5 #16 0x00007f857a45cdee in () at /usr/lib/libQt5XcbQpa.so.5 #17 0x00007f858110639c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #18 0x00007f858110e3a6 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #19 0x00007f85827ec113 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so #20 0x00007f8582643153 in __libc_start_main () at /usr/lib/libc.so.6 #21 0x00005653f3add05e in _start () [Inferior 1 (process 664) detached] The reporter indicates this bug may be a duplicate of or related to bug 413179. Possible duplicates by query: bug 416379, bug 416316, bug 416203, bug 416113, bug 416079. Reported using DrKonqi
This bug report is quite old. Does the crash still occur with KDE 5.23? If so, then please install debugging packages following the instructions given here https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports , reproduce the bug and submit a new backtrace.
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 mark the bug 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!