Application: kwin_x11 (5.13.0) Qt Version: 5.11.0 Frameworks Version: 5.47.0 Operating System: Linux 4.16.13-2-ARCH x86_64 Distribution (Platform): Archlinux Packages -- Information about the crash: - What I was doing when the application crashed: Running a QEMU virtual machine with OpenGL enabled through SDL - Unusual behavior I noticed: window decorations disappeared and reappeared after a short bit. The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_x11), signal: Aborted Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7fa85da29840 (LWP 1076))] Thread 14 (Thread 0x7fa83bfff700 (LWP 5317)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 13 (Thread 0x7fa8195cc700 (LWP 1170)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8596e5bbc in () at /usr/lib/libQt5Script.so.5 #2 0x00007fa8596e5bd9 in () at /usr/lib/libQt5Script.so.5 #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 12 (Thread 0x7fa81a7fc700 (LWP 1160)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 11 (Thread 0x7fa81affd700 (LWP 1157)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 10 (Thread 0x7fa81b7fe700 (LWP 1156)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 9 (Thread 0x7fa81bfff700 (LWP 1155)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 8 (Thread 0x7fa820895700 (LWP 1154)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 7 (Thread 0x7fa821096700 (LWP 1153)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 6 (Thread 0x7fa821897700 (LWP 1152)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fa822098700 (LWP 1151)): #0 0x00007fa856422ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fa8277ce0a4 in () at /usr/lib/dri/radeonsi_dri.so #2 0x00007fa8277cdd98 in () at /usr/lib/dri/radeonsi_dri.so #3 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fa83b39f700 (LWP 1140)): #0 0x00007fa85d3bbfa6 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fa85a7c1d1b in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fa85a7c320b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fa85a77185c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fa85a5baac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fa854e65559 in () at /usr/lib/libQt5Qml.so.5 #6 0x00007fa85a5c4b95 in () at /usr/lib/libQt5Core.so.5 #7 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fa841695700 (LWP 1091)): #0 0x00007fa85d3bbfa6 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fa85a7c1d1b in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fa85a7c320b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fa85a77185c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fa85a5baac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fa853d57976 in () at /usr/lib/libQt5DBus.so.5 #6 0x00007fa85a5c4b95 in () at /usr/lib/libQt5Core.so.5 #7 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fa843b21700 (LWP 1079)): #0 0x00007fa85d3bbea9 in poll () at /usr/lib/libc.so.6 #1 0x00007fa85c2df180 in () at /usr/lib/libxcb.so.1 #2 0x00007fa85c2e0e4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1 #3 0x00007fa844c0ff1a in () at /usr/lib/libQt5XcbQpa.so.5 #4 0x00007fa85a5c4b95 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fa85641d075 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fa85d3c653f in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fa85da29840 (LWP 1076)): [KCrash Handler] #6 0x00007fa85d30486b in raise () at /usr/lib/libc.so.6 #7 0x00007fa85d2ef40e in abort () at /usr/lib/libc.so.6 #8 0x00007fa85d2ef2e0 in _nl_load_domain.cold.0 () at /usr/lib/libc.so.6 #9 0x00007fa85d2fd112 in () at /usr/lib/libc.so.6 #10 0x00007fa855b26f50 in () at /usr/lib/libepoxy.so.0 #11 0x00007fa855ac7140 in () at /usr/lib/libepoxy.so.0 #12 0x00007fa855ace0ea in () at /usr/lib/libepoxy.so.0 #13 0x00007fa859c60d2b in () at /usr/lib/libkwin4_effect_builtins.so.1 #14 0x00007fa859c60df3 in () at /usr/lib/libkwin4_effect_builtins.so.1 #15 0x00007fa859c5da36 in () at /usr/lib/libkwin4_effect_builtins.so.1 #16 0x00007fa859c5dc29 in () at /usr/lib/libkwin4_effect_builtins.so.1 #17 0x00007fa85cf52fba in KWin::EffectsHandlerImpl::unloadAllEffects() () at /usr/lib/libkwin.so.5 #18 0x00007fa85cf53058 in KWin::EffectsHandlerImpl::~EffectsHandlerImpl() () at /usr/lib/libkwin.so.5 #19 0x00007fa840c70ff9 in () at /usr/lib/qt/plugins/org.kde.kwin.platforms/KWinX11Platform.so #20 0x00007fa840c710c9 in () at /usr/lib/qt/plugins/org.kde.kwin.platforms/KWinX11Platform.so #21 0x00007fa85cf33aaf in () at /usr/lib/libkwin.so.5 #22 0x00007fa85cf3406d in KWin::Compositor::suspend(KWin::Compositor::SuspendReason) () at /usr/lib/libkwin.so.5 #23 0x00007fa85a79d2e2 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5 #24 0x00007fa85b4e2984 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #25 0x00007fa85b4ea25b in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #26 0x00007fa85a772bc9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #27 0x00007fa85a775c5c in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5 #28 0x00007fa85a7c307d in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #29 0x00007fa844ca4dee in () at /usr/lib/libQt5XcbQpa.so.5 #30 0x00007fa85a77185c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #31 0x00007fa85a779b56 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #32 0x00007fa85d692b56 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so #33 0x00007fa85d2f106b in __libc_start_main () at /usr/lib/libc.so.6 #34 0x0000559f857b275a in _start () 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 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!