Application: kded4 (4.14.2)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.17.1-dp-mst x86_64
Distribution: Debian GNU/Linux 8.4 (jessie)

-- Information about the crash:
See ticket open here https://github.com/AdnanHodzic/displaylink-debian/issues/13

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe2d0910780 (LWP 1095))]

Thread 4 (Thread 0x7fe2a77fe700 (LWP 1153)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007fe2ce0a4d32 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007fe2caf8bee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe2caf8bffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe2cf520d37 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe2cf4f0271 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe2cf4f05d5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe2cf3e4e99 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fe2cf4d0ac3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fe2cf3e770f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fe2cb87d0a4 in start_thread (arg=0x7fe2a77fe700) at pthread_create.c:309
#11 0x00007fe2ce0ad87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fe2a6ffd700 (LWP 1160)):
#0  0x00007ffffc5fea83 in clock_gettime ()
#1  0x00007fe2ce0ba4cd in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fe2cf43ea05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007fe2cf521b85 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe2cf52046c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe2cf520535 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe2caf8b45d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fe2caf8be0b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fe2caf8bffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fe2cf520d37 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fe2cf4f0271 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007fe2cf4f05d5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007fe2cf3e4e99 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007fe2b1e16bc7 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#14 0x00007fe2cf3e770f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007fe2cb87d0a4 in start_thread (arg=0x7fe2a6ffd700) at pthread_create.c:309
#16 0x00007fe2ce0ad87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fe2a67fc700 (LWP 1161)):
#0  0x00007fe2ce0a4d3d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe2caf8bee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe2caf8bffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe2cf520d37 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe2cf4f0271 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe2cf4f05d5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe2cf3e4e99 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe2cf3e770f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fe2cb87d0a4 in start_thread (arg=0x7fe2a67fc700) at pthread_create.c:309
#9  0x00007fe2ce0ad87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fe2d0910780 (LWP 1095)):
[KCrash Handler]
#6  0x00007fe2b26841ee in ?? () from /usr/lib/x86_64-linux-gnu/kde4/plugins/kscreen/1/KSC_XRandR.so
#7  0x00007fe2b267465e in ?? () from /usr/lib/x86_64-linux-gnu/kde4/plugins/kscreen/1/KSC_XRandR.so
#8  0x00007fe2cf50671c in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fe2b267619b in ?? () from /usr/lib/x86_64-linux-gnu/kde4/plugins/kscreen/1/KSC_XRandR.so
#10 0x00007fe2d030739e in ?? () from /usr/lib/libkdeui.so.5
#11 0x00007fe2cf4e2d6e in QAbstractEventDispatcher::filterEvent(void*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007fe2ce8e6e0c in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#13 0x00007fe2caf8bc5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fe2caf8bf48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007fe2caf8bffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007fe2cf520d1d in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007fe2ce8e6f96 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#18 0x00007fe2cf4f0271 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007fe2cf4f05d5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#20 0x00007fe2cf4f6059 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#21 0x00007fe2b98ba349 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#22 0x00000000004084b0 in _start ()

Possible duplicates by query: bug 340885, bug 336718, bug 335646.

Reported using DrKonqi