Application: kwin_x11 (5.14.4) Qt Version: 5.12.1 Frameworks Version: 5.54.0 Operating System: Linux 4.20.7-arch1-1-ARCH x86_64 Distribution (Platform): Archlinux Packages -- Information about the crash: - What I was doing when the application crashed: I launched a game (Braid). I set a kwin rule for it to block compositing. -- Backtrace: Application: KWin (kwin_x11), signal: Aborted Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7fda81c73840 (LWP 22973))] Thread 5 (Thread 0x7fda6a05e700 (LWP 23089)): #0 0x00007fda88443afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fda88f4728c in () at /usr/lib/libQt5Script.so.5 #2 0x00007fda88f472a9 in () at /usr/lib/libQt5Script.so.5 #3 0x00007fda8843da9d in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fda8ab00b23 in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fda6b060700 (LWP 23086)): #0 0x00007fda88443afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fda6b5fcc84 in () at /usr/lib/dri/i965_dri.so #2 0x00007fda6b5fc9a8 in () at /usr/lib/dri/i965_dri.so #3 0x00007fda8843da9d in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fda8ab00b23 in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fda7a0d9700 (LWP 23083)): #0 0x00007fda8aaf5d16 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fda89683bab in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fda8968508b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fda89630b2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fda89474569 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fda87bfb969 in () at /usr/lib/libQt5Qml.so.5 #6 0x00007fda8947596c in () at /usr/lib/libQt5Core.so.5 #7 0x00007fda8843da9d in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fda8ab00b23 in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fda7bbd5700 (LWP 23037)): #0 0x00007fda8aaf5d16 in ppoll () at /usr/lib/libc.so.6 #1 0x00007fda89683bab in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007fda8968508b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007fda89630b2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fda89474569 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007fda87660ba6 in () at /usr/lib/libQt5DBus.so.5 #6 0x00007fda8947596c in () at /usr/lib/libQt5Core.so.5 #7 0x00007fda8843da9d in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fda8ab00b23 in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fda81c73840 (LWP 22973)): [KCrash Handler] #6 0x00007fda8aa3cd7f in raise () at /usr/lib/libc.so.6 #7 0x00007fda8aa27672 in abort () at /usr/lib/libc.so.6 #8 0x00007fda8aa27548 in _nl_load_domain.cold.0 () at /usr/lib/libc.so.6 #9 0x00007fda8aa35396 in () at /usr/lib/libc.so.6 #10 0x00007fda882d7c30 in () at /usr/lib/libepoxy.so.0 #11 0x00007fda883305a0 in () at /usr/lib/libepoxy.so.0 #12 0x00007fda8831e4da in () at /usr/lib/libepoxy.so.0 #13 0x00007fda883b75ad in KWin::GLTexturePrivate::~GLTexturePrivate() () at /usr/lib/libkwinglutils.so.11 #14 0x00007fda883b9444 in () at /usr/lib/libkwinglutils.so.11 #15 0x00007fda883b8aaa in KWin::GLTexture::~GLTexture() () at /usr/lib/libkwinglutils.so.11 #16 0x00007fda78e80431 in () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #17 0x00007fda8965a7ab in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5 #18 0x00007fda89663825 in QObject::~QObject() () at /usr/lib/libQt5Core.so.5 #19 0x00007fda8a859b0f in KWin::Toplevel::~Toplevel() () at /usr/lib/libkwin.so.5 #20 0x00007fda8a87283b in KWin::Deleted::~Deleted() () at /usr/lib/libkwin.so.5 #21 0x00007fda8a872aa7 in KWin::Deleted::discard() () at /usr/lib/libkwin.so.5 #22 0x00007fda8a858b4b in () at /usr/lib/libkwin.so.5 #23 0x00007fda8a85907d in KWin::Compositor::suspend(KWin::Compositor::SuspendReason) () at /usr/lib/libkwin.so.5 #24 0x00007fda8965d152 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5 #25 0x00007fda89ffbe24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #26 0x00007fda8a0036e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #27 0x00007fda89631e99 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #28 0x00007fda89634f38 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5 #29 0x00007fda89684efd in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #30 0x00007fda815b1cbf in () at /usr/lib/libQt5XcbQpa.so.5 #31 0x00007fda89630b2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #32 0x00007fda89638e36 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #33 0x00007fda8abd28c9 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so #34 0x00007fda8aa29223 in __libc_start_main () at /usr/lib/libc.so.6 #35 0x0000563c9945b05e in _start () [Inferior 1 (process 22973) detached] Reported using DrKonqi
I guess that's yet another "Missing OpenGL context assertion". Unfortunately, the backtrace lacks debug symbols. Could you please repackage kwin and submit a new backtrace? Also, how exactly you launched Braid? From steam or from kickoff?
Could you please post output of `qdbus org.kde.KWin /KWin supportInformation` as well?
Created attachment 117971 [details] kwin backtrace Will that do?
Created attachment 117972 [details] kwin supportInformation
I start Braid from a desktop icon (it's a GOG install), it then displays a launcher window and after I click the 'Launch!' button it starts and kwin crashes - sometimes, not every time - and Braid continues to run. >I set a kwin rule for it to block compositing. Actually scratch that, I was thinking of another game.
(In reply to Mariusz Libera from comment #3) > Will that do? Yeah.
*** Bug 404634 has been marked as a duplicate of this bug. ***
It looks like this bug was fixed by https://phabricator.kde.org/R108:9a68cbd9b110b529021c128ea6650ce6774f462a