Application: konsole5 (3.91.0)

Qt Version: 5.4.0
Operating System: Linux 3.16.0-31-generic x86_64
Distribution: Ubuntu 14.10

-- Information about the crash:
I was selecting text in Konsole by double-clicking, possibly tripple-clicking, and it got a Segmentation Fault

-- Backtrace:
Application: Konsole (konsole5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f291848b8c0 (LWP 4132))]

Thread 2 (Thread 0x7f29032e9700 (LWP 4133)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f291047256a in _L_lock_913 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007f2910472390 in __GI___pthread_mutex_lock (mutex=0x94efe8) at ../nptl/pthread_mutex_lock.c:79
#3  0x00007f2912274d94 in _xcb_conn_wait (c=c@entry=0x94efd0, cond=cond@entry=0x94f010, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:464
#4  0x00007f291227664f in xcb_wait_for_event (c=0x94efd0) at ../../src/xcb_in.c:622
#5  0x00007f2905a89f79 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#6  0x00007f29148bee4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f29104700a5 in start_thread (arg=0x7f29032e9700) at pthread_create.c:309
#8  0x00007f2917f61cfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f291848b8c0 (LWP 4132)):
[KCrash Handler]
#5  poll_for_reply (c=c@entry=0x94efd0, request=request@entry=27112, reply=reply@entry=0x7fff691ee338, error=error@entry=0x7fff691ee438) at ../../src/xcb_in.c:422
#6  0x00007f2912276414 in wait_for_reply (c=c@entry=0x94efd0, request=27112, e=e@entry=0x7fff691ee438) at ../../src/xcb_in.c:489
#7  0x00007f2912276512 in xcb_wait_for_reply (c=c@entry=0x94efd0, request=27112, e=e@entry=0x7fff691ee438) at ../../src/xcb_in.c:520
#8  0x00007f29126cc69f in _XReply (dpy=dpy@entry=0x94d9a0, rep=rep@entry=0x7fff691ee4b0, extra=extra@entry=0, discard=discard@entry=0) at ../../src/xcb_io.c:602
#9  0x00007f2905617f32 in XIQueryDevice (dpy=0x94d9a0, deviceid=10, ndevices_return=0x7fff691ee534) at ../../src/XIQueryDevice.c:60
#10 0x00007f2905aa6de1 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#11 0x00007f2905a98229 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#12 0x00007f2905a88f5c in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#13 0x00007f2905a8a39b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#14 0x00007f2914b287ba in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f29153f6d3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f29153fc330 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f2914af803b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f2914afa07b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f2914b4ee83 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f290fd39c5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f290fd39f48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f290fd39ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f2914b4f277 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f2914af58d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f2914afd37c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f291824d3ef in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konsole.so
#27 0x00007f2917e89ec5 in __libc_start_main (main=0x400730 <main>, argc=1, argv=0x7fff691eef98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff691eef88) at libc-start.c:287
#28 0x000000000040075e in _start ()

Reported using DrKonqi