Bug 376337

Application: krunner (5.7.5)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.8.0-37-generic x86_64
Distribution: Ubuntu 16.10

-- Information about the crash:
Fresh install of Kubuntu, installed VLC, now the system boots to a black screen

The crash can be reproduced every time.

-- Backtrace:
Application: krunner (krunner), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcfd8a558c0 (LWP 1439))]

Thread 3 (Thread 0x7fcfbf373700 (LWP 1446)):
#0  0x00007fcfd51dec8d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcfd268ec80 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcfd264a485 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcfd264a974 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcfd264aaec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcfd5b114ab in QEventDispatcherGlib::processEvents (this=0x7fcfb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#6  0x00007fcfd5ab90fa in QEventLoop::exec (this=this@entry=0x7fcfbf372cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fcfd58ded43 in QThread::exec (this=this@entry=0x7fcfd8bebd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:500
#8  0x00007fcfd8b77575 in QDBusConnectionManager::run (this=0x7fcfd8bebd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:171
#9  0x00007fcfd58e3c68 in QThreadPrivate::start (arg=0x7fcfd8bebd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:341
#10 0x00007fcfd2fbd6ca in start_thread (arg=0x7fcfbf373700) at pthread_create.c:333
#11 0x00007fcfd51ef0af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7fcfc541c700 (LWP 1445)):
#0  0x00007fcfd51e30bd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcfd46cbc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fcfd46cd8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fcfc7da2299 in QXcbEventReader::run (this=0x5556e904c750) at qxcbconnection.cpp:1325
#4  0x00007fcfd58e3c68 in QThreadPrivate::start (arg=0x5556e904c750) at thread/qthread_unix.cpp:341
#5  0x00007fcfd2fbd6ca in start_thread (arg=0x7fcfc541c700) at pthread_create.c:333
#6  0x00007fcfd51ef0af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7fcfd8a558c0 (LWP 1439)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
#7  0x00007fcfd511e3ea in __GI_abort () at abort.c:89
#8  0x00007fcfd58cacc1 in qt_message_fatal (context=..., message=<synthetic pointer>...) at global/qlogging.cpp:1648
#9  QMessageLogger::fatal (this=this@entry=0x7ffde58da170, msg=msg@entry=0x7fcfd8a4d8a4 "Could not initialize GLX") at global/qlogging.cpp:790
#10 0x00007fcfd8a4aca9 in QGLXContext::init (this=0x5556e9090b80, screen=0x5556e904ee60, share=<optimized out>) at qglxintegration.cpp:309
#11 0x00007fcfd8a488fb in QXcbGlxIntegration::createPlatformOpenGLContext (this=<optimized out>, context=0x7ffde58da2c0) at qxcbglxintegration.cpp:187
#12 0x00007fcfc7da8be1 in QXcbIntegration::createPlatformOpenGLContext (this=<optimized out>, context=0x7ffde58da2c0) at qxcbintegration.cpp:224
#13 0x00007fcfd5e4d02d in QOpenGLContext::create (this=this@entry=0x7ffde58da2c0) at kernel/qopenglcontext.cpp:606
#14 0x00007fcfd8a4b4e6 in QGLXContext::queryDummyContext () at qglxintegration.cpp:675
#15 0x00007fcfd8a4b6c1 in QGLXContext::supportsThreading () at qglxintegration.cpp:706
#16 0x00007fcfd7c56b2b in QSGRenderLoop::instance() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007fcfd7c899f5 in QQuickWindowPrivate::init(QQuickWindow*, QQuickRenderControl*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007fcfd87c026c in PlasmaQuick::Dialog::Dialog(QQuickItem*) () from /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#19 0x00005556e73560ae in View::View (this=0x7ffde58da7c0) at ./krunner/view.cpp:57
#20 0x00005556e735497b in main (argc=<optimized out>, argv=<optimized out>) at ./krunner/main.cpp:83

Possible duplicates by query: bug 373371, bug 372178, bug 364721, bug 364342, bug 362777.

Reported using DrKonqi