https://bugs.kde.org/show_bug.cgi?id=388024
Bug ID: 388024
Summary: KWin crash while alt tabbing (many windows, and an MPV
video playing)
Product: kwin
Version: 5.11.4
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: mjevans1...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.11.4)
Qt Version: 5.10.0
Frameworks Version: 5.41.0
Operating System: Linux 4.14.6-1-ARCH x86_64
Distribution: "Arch Linux"
-- Information about the crash:
KWin crash while alt tabbing (many windows, and an MPV video playing)
Alt+Tab appeares to have caused the crash.
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 0x7f2b9f995840 (LWP 869))]
Thread 14 (Thread 0x7f2b7e2ed700 (LWP 8713)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 13 (Thread 0x7f2b6ffff700 (LWP 10024)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 12 (Thread 0x7f2b43fff700 (LWP 22321)):
#0 0x00007f2b9f332026 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f2b9c90a213 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f2b9c90b9af in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f2b9c8b082b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f2b9c6c078e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f2b9c6c5b2d in () at /usr/lib/libQt5Core.so.5
#6 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#7 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 11 (Thread 0x7f2b437fe700 (LWP 1015)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b9b81af77 in () at /usr/lib/libQt5Script.so.5
#2 0x00007f2b9b81afb9 in () at /usr/lib/libQt5Script.so.5
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 10 (Thread 0x7f2b6157a700 (LWP 988)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 9 (Thread 0x7f2b61d7b700 (LWP 987)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 8 (Thread 0x7f2b6257c700 (LWP 986)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 7 (Thread 0x7f2b62d7d700 (LWP 985)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 6 (Thread 0x7f2b6357e700 (LWP 984)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7f2b63d7f700 (LWP 983)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7f2b64580700 (LWP 982)):
#0 0x00007f2b9826038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f2b6ddaefbc in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007f2b6ddaeec8 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7f2b7d8a8700 (LWP 952)):
#0 0x00007f2b9f332026 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f2b9c90a213 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f2b9c90b9af in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f2b9c8b082b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f2b9c6c078e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f2b96d2da19 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f2b9c6c5b2d in () at /usr/lib/libQt5Core.so.5
#7 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7f2b7fb59700 (LWP 936)):
#0 0x00007f2b9f332026 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f2b9c90a213 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f2b9c90b9af in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f2b9c8b082b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f2b9c6c078e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f2b95ea3416 in () at /usr/lib/libQt5DBus.so.5
#6 0x00007f2b9c6c5b2d in () at /usr/lib/libQt5Core.so.5
#7 0x00007f2b9825a08a in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f2b9f33c42f in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7f2b9f995840 (LWP 869)):
[KCrash Handler]
#5 0x00007f2b6e18b476 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#6 0x00007f2b6e18d7f3 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#7 0x00007f2b6deea353 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#8 0x00007f2b6dee83ff in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#9 0x00007f2b6dee88a5 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#10 0x00007f2b6dceb6e7 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#11 0x00007f2b6de490ba in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#12 0x00007f2b7c445573 in () at /usr/lib/libGLX_mesa.so.0
#13 0x00007f2b8525f165 in () at
/usr/lib/qt/plugins/xcbglintegrations/libqxcb-glx-integration.so
#14 0x00007f2b9ce5f38f in QOpenGLContext::swapBuffers(QSurface*) () at
/usr/lib/libQt5Gui.so.5
#15 0x00007f2b9740e400 in () at /usr/lib/libQt5Quick.so.5
#16 0x00007f2b9748b686 in QQuickWindow::event(QEvent*) () at
/usr/lib/libQt5Quick.so.5
#17 0x00007f2ab10430b4 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/libKF5PlasmaQuick.so.5
#18 0x00007f2b9d62ce3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#19 0x00007f2b9d634816 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#20 0x00007f2b9c8b21e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#21 0x00007f2b9ce2f7f3 in QWindowPrivate::deliverUpdateRequest() () at
/usr/lib/libQt5Gui.so.5
#22 0x00007f2b9ce2fd2b in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#23 0x00007f2b9748b626 in QQuickWindow::event(QEvent*) () at
/usr/lib/libQt5Quick.so.5
#24 0x00007f2ab10430b4 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/libKF5PlasmaQuick.so.5
#25 0x00007f2b9d62ce3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#26 0x00007f2b9d634816 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#27 0x00007f2b9c8b21e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#28 0x00007f2b9c90dad8 in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#29 0x00007f2b9c90bc14 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#30 0x00007f2b871ed3ee in () at /usr/lib/libQt5XcbQpa.so.5
#31 0x00007f2b9c8b082b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#32 0x00007f2b9c8b9b18 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#33 0x00007f2b9f6066e3 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#34 0x00007f2b9f266f4a in __libc_start_main () at /usr/lib/libc.so.6
#35 0x00005625883377aa in _start ()
Reported using DrKonqi
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