Top frame of LP's backtrace rubbish. I got the following: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fb6d7051700 (LWP 3053)] 0x00007fb73bf9c463 in DisplayWindow::makeCurrent() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqpa-mirserver.so (gdb) bt #0 0x00007fb73bf9c463 in DisplayWindow::makeCurrent() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqpa-mirserver.so #1 0x00007fb73bf9ec07 in MirOpenGLContext::makeCurrent(QPlatformSurface*) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqpa-mirserver.so #2 0x00007fb7456555c2 in QOpenGLContext::makeCurrent (this=0x10a92a0, surface=0xce9960) at kernel/qopenglcontext.cpp:813 #3 0x00007fb744abfb12 in QSGRenderThread::sync (this=0x131bc90) at scenegraph/qsgthreadedrenderloop.cpp:537 #4 0x00007fb744abfe98 in QSGRenderThread::syncAndRender (this=0x131bc90) at scenegraph/qsgthreadedrenderloop.cpp:587 #5 0x00007fb744ac07d8 in QSGRenderThread::run (this=0x131bc90) at scenegraph/qsgthreadedrenderloop.cpp:704 #6 0x00007fb743b3dd2e in QThreadPrivate::start (arg=0x131bc90) at thread/qthread_unix.cpp:345 #7 0x00007fb7423690a5 in start_thread (arg=0x7fb6d7051700) at pthread_create.c:309 #8 0x00007fb7432b190d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
and the unity8 log shows me: QtCompositor::setAllWindowsExposed false DisplayWindow::event got QEvent::Hide QtCompositor::setAllWindowsExposed true DisplayWindow::event got QEvent::Show So appears as if Qt is trying to render with the display off - which will crash. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1410457 Title: DisplayWindow::makeCurrent crash with xmir apps To manage notifications about this bug go to: https://bugs.launchpad.net/qtmir/+bug/1410457/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
