[New LWP 2622]
[New LWP 2621]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007f83daff8feb in waitpid () from /lib64/libc.so.6

Thread 3 (Thread 0x7f83db9d5700 (LWP 2621)):
#0  0x00007f83db02058d in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f83db4c8766 in timer_thread_sleep (gvl=0x1d73f28) at thread_pthread.c:1442
        result = 0
        need_polling = 0
        pollfds = {{fd = 3, events = 1, revents = 0}, {fd = 5, events = 1, revents = 0}}
#2  0x00007f83db4c8933 in thread_timer (p=0x1d73f28) at thread_pthread.c:1549
        gvl = 0x1d73f28
#3  0x00007f83dad2c364 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00007f83db02934d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 2 (Thread 0x7f83cd446700 (LWP 2622)):
#0  0x00007f83db02058d in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f83d8c0cdcc in ?? () from /usr/lib64/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f83d8c0d182 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f83d80d3006 in ?? () from /usr/lib64/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f83d8c33c85 in ?? () from /usr/lib64/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f83dad2c364 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x00007f83db02934d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7f83db9b0700 (LWP 2620)):
#0  0x00007f83daff8feb in waitpid () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f83d95ad064 in show_gdb_backtrace () from /home/stefan/.gem/ruby/2.2.0/gems/segv-handler-gdb-1.0.0/lib/segv_handler_gdb.so
No symbol table info available.
#2  0x00007f83d95ad268 in show_gdb_backtrace_handler () from /home/stefan/.gem/ruby/2.2.0/gems/segv-handler-gdb-1.0.0/lib/segv_handler_gdb.so
No symbol table info available.
#3  <signal handler called>
No symbol table info available.
#4  0x00007f83d7269bc6 in cairo_list_is_empty (head=0x108) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-list-inline.h:205
No locals.
#5  0x00007f83d7269e46 in _cairo_surface_has_snapshots (surface=0x0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface.c:310
No locals.
#6  0x00007f83d7269ee5 in _cairo_surface_detach_snapshots (surface=0x0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface.c:332
No locals.
#7  0x00007f83d726ba5e in _cairo_surface_flush (surface=0x0, flags=0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface.c:1545
No locals.
#8  0x00007f83d72a5523 in _cairo_xlib_xcb_surface_flush (abstract_surface=0x930d910, flags=0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-xlib-xcb-surface.c:256
        surface = 0x930d910
#9  0x00007f83d7269c61 in __cairo_surface_flush (surface=0x930d910, flags=0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface-inline.h:48
        status = CAIRO_STATUS_SUCCESS
#10 0x00007f83d726ba97 in _cairo_surface_flush (surface=0x930d910, flags=0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface.c:1550
No locals.
#11 0x00007f83d727516e in _cairo_surface_subsurface_flush (abstract_surface=0x97165c0, flags=0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface-subsurface.c:228
        surface = 0x97165c0
#12 0x00007f83d7269c61 in __cairo_surface_flush (surface=0x97165c0, flags=0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface-inline.h:48
        status = CAIRO_STATUS_SUCCESS
#13 0x00007f83d726ba97 in _cairo_surface_flush (surface=0x97165c0, flags=0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface.c:1550
No locals.
#14 0x00007f83d726b1b0 in _cairo_surface_finish_snapshots (surface=0x97165c0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface.c:1017
        status = 32765
#15 0x00007f83d726b018 in INT_cairo_surface_destroy (surface=0x97165c0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface.c:961
        __PRETTY_FUNCTION__ = "cairo_surface_destroy"
#16 0x00007f83db36c192 in run_final (objspace=0x1d749f0, zombie=158448240) at gc.c:2459
        key = 158448320
        table = 158448320
#17 0x00007f83db36c21b in finalize_list (objspace=0x1d749f0, zombie=158448240) at gc.c:2475
        next_zombie = 158447840
        page = 0x9715f80
#18 0x00007f83db36c78a in rb_objspace_call_finalizer (objspace=0x1d749f0) at gc.c:2623
        p = 0x9847fc0
        pend = 0x9847fc0
        i = 3092
        __PRETTY_FUNCTION__ = "rb_objspace_call_finalizer"
#19 0x00007f83db36c429 in rb_gc_call_finalizer_at_exit () at gc.c:2548
No locals.
#20 0x00007f83db353004 in ruby_finalize_1 () at eval.c:128
No locals.
#21 0x00007f83db353529 in ruby_cleanup (ex=0) at eval.c:229
        _th = 0x1d745f0
        _tag = {tag = 0, retval = 12915787248, buf = {{__jmpbuf = {140724942599344, 140204295140134, 140724942598576, 140724942599712, 0, 0, 0, 140204299798045}, __mask_was_saved = 5, __saved_mask = {__val = {0, 0, 140204294687016, 0, 140724942599440, 4196480, 140204299824832, 4196480, 140204296665984, 0, 140724942599384, 4196480, 0, 8384512, 0, 0}}}}, prev = 0x0}
        state = 0
        errs = {8, 8}
        th = 0x1d745f0
        nerr = 2
#22 0x00007f83db3537c6 in ruby_run_node (n=0x1fc9af8) at eval.c:309
        status = 32643
#23 0x00000000004009c3 in main (argc=3, argv=0x7ffd1436f628) at main.c:36
        variable_in_this_stack_frame = 0
A debugging session is active.

	Inferior 1 [process 2620] will be detached.

Quit anyway? (y or n) [answered Y; input not from terminal]