Application: konsole (15.08.0)

Qt Version: 5.5.1
Operating System: Linux 4.3.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (stretch)

-- Information about the crash:
Quit Konsole with Ctrl+d

The crash can be reproduced sometimes.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007fe24c694530 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#7  0x00007fe24c6962cc in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#8  0x00007fe24c694b8d in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#9  0x00007fe24c692f95 in xcb_disconnect () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#10 0x00007fe24dbdce57 in XCloseDisplay () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#11 0x00007fe24002f316 in QXcbConnection::~QXcbConnection() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#12 0x00007fe24002f679 in QXcbConnection::~QXcbConnection() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#13 0x00007fe240031116 in QXcbIntegration::~QXcbIntegration() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007fe240031229 in QXcbIntegration::~QXcbIntegration() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#15 0x00007fe250a7a973 in QGuiApplicationPrivate::~QGuiApplicationPrivate() () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007fe251030029 in QApplicationPrivate::~QApplicationPrivate() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fe2507784e8 in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fe251031e19 in QApplication::~QApplication() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fe253ea7375 in kdemain(int, char**) (argc=3, argv=0x7ffcad3dc948) at ../../src/main.cpp:110
#20 0x00007fe253b02870 in __libc_start_main (main=0x400710 <main(int, char**)>, argc=3, argv=0x7ffcad3dc948, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcad3dc938) at libc-start.c:291
#21 0x0000000000400749 in _start () at ../sysdeps/x86_64/start.S:118

Reported using DrKonqi