Application: kwin_x11 (5.9.4) Qt Version: 5.8.0 Frameworks Version: 5.32.0 Operating System: Linux 4.10.9-1-ARCH x86_64 Distribution: "Arch Linux" -- Information about the crash: - What I was doing when the application crashed: "kwin_x11 --replace" in krunner - Unusual behavior I noticed: The whole screen was flikering with distorted texture of window, even in the lock screen. The only way to make my computer useable again was to restart kwin The crash can be reproduced every time. -- Backtrace: Application: KWin (kwin_x11), signal: Aborted Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7f7685aaf840 (LWP 635))] Thread 6 (Thread 0x7f764e209700 (LWP 1055)): #0 0x00007f76854fe76b in ppoll () at /usr/lib/libc.so.6 #1 0x00007f7682b822f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007f7682b8396a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007f7682b3089a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007f7682952a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007f76829576d8 in () at /usr/lib/libQt5Core.so.5 #6 0x00007f767e7442e7 in start_thread () at /usr/lib/libpthread.so.0 #7 0x00007f768550854f in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7f764da08700 (LWP 749)): #0 0x00007f767e74a756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f7681ac1234 in () at /usr/lib/libQt5Script.so.5 #2 0x00007f7681ac1279 in () at /usr/lib/libQt5Script.so.5 #3 0x00007f767e7442e7 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007f768550854f in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7f7661651700 (LWP 729)): #0 0x00007f767e74aca6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f7661909e44 in () at /usr/lib/libGLX_nvidia.so.0 #2 0x00007f764efd5394 in () at /usr/lib/libnvidia-glcore.so.378.13 #3 0x00007f766190912c in () at /usr/lib/libGLX_nvidia.so.0 #4 0x00007f767e7442e7 in start_thread () at /usr/lib/libpthread.so.0 #5 0x00007f768550854f in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7f766a0fc700 (LWP 686)): #0 0x00007f76854fe76b in ppoll () at /usr/lib/libc.so.6 #1 0x00007f7682b822f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007f7682b8396a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007f7682b3089a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007f7682952a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007f767c615125 in () at /usr/lib/libQt5DBus.so.5 #6 0x00007f76829576d8 in () at /usr/lib/libQt5Core.so.5 #7 0x00007f767e7442e7 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007f768550854f in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7f766c24c700 (LWP 663)): #0 0x00007f76854fe67d in poll () at /usr/lib/libc.so.6 #1 0x00007f76846178e0 in () at /usr/lib/libxcb.so.1 #2 0x00007f7684619679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1 #3 0x00007f766d328239 in () at /usr/lib/libQt5XcbQpa.so.5 #4 0x00007f76829576d8 in () at /usr/lib/libQt5Core.so.5 #5 0x00007f767e7442e7 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007f768550854f in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7f7685aaf840 (LWP 635)): [KCrash Handler] #6 0x00007f768544fa10 in raise () at /usr/lib/libc.so.6 #7 0x00007f768545113a in abort () at /usr/lib/libc.so.6 #8 0x00007f768293de21 in () at /usr/lib/libQt5Core.so.5 #9 0x00007f7682951d04 in QThread::~QThread() () at /usr/lib/libQt5Core.so.5 #10 0x00007f7682951df9 in QThread::~QThread() () at /usr/lib/libQt5Core.so.5 #11 0x00007f7682b5c411 in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5 #12 0x00007f7682b65d6f in QObject::~QObject() () at /usr/lib/libQt5Core.so.5 #13 0x00007f76696d8c69 in KWin::X11StandalonePlatform::~X11StandalonePlatform() () at /usr/lib/qt/plugins/org.kde.kwin.platforms/KWinX11Platform.so #14 0x00007f7682b5c411 in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5 #15 0x00007f7682b65d6f in QObject::~QObject() () at /usr/lib/libQt5Core.so.5 #16 0x00007f7682b33f56 in QCoreApplication::~QCoreApplication() () at /usr/lib/libQt5Core.so.5 #17 0x00007f7683814dc1 in QApplication::~QApplication() () at /usr/lib/libQt5Widgets.so.5 #18 0x00007f76857c7834 in () at /usr/lib/libkdeinit5_kwin_x11.so #19 0x00007f76857c93e0 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so #20 0x00007f768543c511 in __libc_start_main () at /usr/lib/libc.so.6 #21 0x000000000040069a in _start () Reported using DrKonqi
Debug symbols missing as always for arch users
Indeed. I'll try to build kwin with debugging symbols and reproduce the bug. As additional info, the flickering is not always there, but the crash is.
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!