Application: kwin_x11 (5.14.4) Qt Version: 5.12.0 Frameworks Version: 5.53.0 Operating System: Linux 4.19.13-1-MANJARO x86_64 Distribution: "Manjaro Linux" -- Information about the crash: - What I was doing when the application crashed: open the opened applications overview by moving the mouse to the left up corner - Unusual behavior I noticed: KDE was closed the LightDM screen was shown for a second and then KDE reopened ( with all running applications opened), the application overview now doesn't work anymore The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7fbf91d45840 (LWP 1172))] Thread 6 (Thread 0x7fbf7a44d700 (LWP 16360)): #0 0x00007fbf9af4ad16 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fbf99af646b in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fbf99af794b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fbf99aa358c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fbf998e75c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fbf97e94b89 in () at /usr/lib/libQt5Qml.so.5 #6 0x00007fbf998e89cc in () at /usr/lib/libQt5Core.so.5 #7 0x00007fbf986cfa9d in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fbf9af55b23 in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fbf79c4c700 (LWP 1319)): #0 0x00007fbf986d5afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fbf993d228c in () at /usr/lib/libQt5Script.so.5 #2 0x00007fbf993d22a9 in () at /usr/lib/libQt5Script.so.5 #3 0x00007fbf986cfa9d in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fbf9af55b23 in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fbf7bfff700 (LWP 1309)): #0 0x00007fbf986d5afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fbf88700c24 in () at /usr/lib/dri/i965_dri.so #2 0x00007fbf88700948 in () at /usr/lib/dri/i965_dri.so #3 0x00007fbf986cfa9d in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fbf9af55b23 in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fbf8affd700 (LWP 1300)): #0 0x00007fbf9af4ad16 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fbf99af646b in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fbf99af794b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fbf99aa358c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fbf998e75c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fbf97e94b89 in () at /usr/lib/libQt5Qml.so.5 #6 0x00007fbf998e89cc in () at /usr/lib/libQt5Core.so.5 #7 0x00007fbf986cfa9d in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fbf9af55b23 in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fbf8bfff700 (LWP 1280)): #0 0x00007fbf9af4ad16 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fbf99af646b in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fbf99af794b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fbf99aa358c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fbf998e75c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fbf97901ba6 in () at /usr/lib/libQt5DBus.so.5 #6 0x00007fbf998e89cc in () at /usr/lib/libQt5Core.so.5 #7 0x00007fbf986cfa9d in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fbf9af55b23 in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fbf91d45840 (LWP 1172)): [KCrash Handler] #6 0x000055d8dddc60b0 in () #7 0x00007fbf9ac6ca39 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib/libkwin.so.5 #8 0x00007fbf99aa23bf in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5 #9 0x00007fbf91881cc2 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5 #10 0x00007fbf91882a54 in QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5XcbQpa.so.5 #11 0x00007fbf918add5e in () at /usr/lib/libQt5XcbQpa.so.5 #12 0x00007fbf99aa358c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #13 0x00007fbf99aab896 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #14 0x00007fbf9b027b26 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so #15 0x00007fbf9ae7e223 in __libc_start_main () at /usr/lib/libc.so.6 #16 0x000055d8dcd5305e in _start () [Inferior 1 (process 1172) detached] Reported using DrKonqi
Unfortunately the backtrace is lacking debug symbols. If you are able to reproduce please install debug packages and attach 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!
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!