.
Thread 1 (Thread 0x7f9685ea6780 (LWP 3340)):
#0  0x00007f968374f445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 3340
#1  0x00007f9683752bab in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, sa_mask = {__val = {0, 140284427107400, 140284468626664, 0, 0, 0, 0, 4294967295, 0, 0, 3, 2130144, 0, 140284446825360, 1, 140284457680896}}, sa_flags = -2050193548, sa_restorer = 0x1}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f968544cc35 in ?? () from /usr/lib/libkscreensaver.so.5
No symbol table info available.
#3  <signal handler called>
No symbol table info available.
#4  0x00007f968374f445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 3340
#5  0x00007f9683752bab in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x6e00000001, sa_sigaction = 0x6e00000001}, sa_mask = {__val = {140284430975360, 140284427107400, 140284468626664, 140284446825360, 1, 1, 140284428159179, 4294967295, 206158430240, 140736725114656, 3, 5046704, 0, 140284446825360, 1, 140284434145280}}, sa_flags = -2050193548, sa_restorer = 0x1}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#6  0x00007f9683e4750b in qt_message_output (msgType=<optimized out>, buf=0x1d68b98 "klines.kss(3340): Got X error after loss of parent process. Terminating. ") at global/qglobal.cpp:2276
No locals.
#7  0x00007f968544cdb5 in ?? () from /usr/lib/libkscreensaver.so.5
No symbol table info available.
#8  0x00007f968300336f in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#9  0x00007f9683000311 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#10 0x00007f9683000355 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#11 0x00007f9683000df5 in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#12 0x00007f9682ff242f in XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#13 0x00007f96849edbac in x11EventSourceCheck (s=0x1bbbdc0) at kernel/qguieventdispatcher_glib.cpp:85
        source = 0x1bbbdc0
#14 0x00007f9681220a33 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x00007f9681220f96 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#16 0x00007f9681221124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#17 0x00007f9683f803bf in QEventDispatcherGlib::processEvents (this=0x1b99770, flags=...) at kernel/qeventdispatcher_glib.cpp:424
        d = 0x1bbf6c0
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#18 0x00007f96849edd6e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
        d = 0x1bbf6c0
        saved_flags = {i = 0}
        returnValue = false
#19 0x00007f9683f4fc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
        d = 0x1d43810
#20 0x00007f9683f4fed7 in QEventLoop::exec (this=0x7fffd281e320, flags=...) at kernel/qeventloop.cpp:204
        d = 0x1d43810
        locker = {val = 28935112}
        app = 0x7fffd281e450
#21 0x00007f9683f54f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
        threadData = 0x1b982b0
        eventLoop = {<QObject> = {_vptr.QObject = 0x7f96842a4650, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7f968402a820 "QObject", data = 0x7f968402a8c0, extradata = 0x7f96842a1b80}}, static staticMetaObjectExtraData = {objects = 0x0, static_metacall = 0x7f9683f69390 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>}, d_ptr = {d = 0x1d43810}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7f9684033740 "Qt", data = 0x7f9684037060, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x7f96842a1b60, stringdata = 0x7f968403d1c0 "QEventLoop", data = 0x7f968403d1e0, extradata = 0x7f96842a46e0}}, static staticMetaObjectExtraData = {objects = 0x0, static_metacall = 0x7f9683fb1e20 <QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>}}
        returnCode = <optimized out>
#22 0x00007f968544d4d2 in kScreenSaverMain(int, char**, KScreenSaverInterface&) () from /usr/lib/libkscreensaver.so.5
No symbol table info available.
#23 0x0000000000404ad5 in ?? ()
No symbol table info available.
#24 0x00007f968373a76d in __libc_start_main (main=0x404ac0, argc=3, ubp_av=0x7fffd281e7c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd281e7b8) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1871577369510354859, 4213480, 140736725116864, 0, 0, -1871658304108552277, -1813777106505359445}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x407270, 0x7fffd281e7c8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4223600}}}
        not_first_call = <optimized out>
#25 0x0000000000404b11 in _start ()
No symbol table info available.