[New LWP 22122] [New LWP 22120] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". 0x00007f23fcc5ffeb in waitpid () from /lib64/libc.so.6 Thread 3 (Thread 0x7f23fd63c700 (LWP 22120)): #0 0x00007f23fcc8758d in poll () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f23fd12f766 in timer_thread_sleep (gvl=0x6cff28) at thread_pthread.c:1442 result = 0 need_polling = 0 pollfds = {{fd = 3, events = 1, revents = 0}, {fd = 5, events = 1, revents = 0}} #2 0x00007f23fd12f933 in thread_timer (p=0x6cff28) at thread_pthread.c:1549 gvl = 0x6cff28 #3 0x00007f23fc993364 in start_thread () from /lib64/libpthread.so.0 No symbol table info available. #4 0x00007f23fcc9034d in clone () from /lib64/libc.so.6 No symbol table info available. Thread 2 (Thread 0x7f23ef0ad700 (LWP 22122)): #0 0x00007f23fcc8758d in poll () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f23fa873dcc in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #2 0x00007f23fa874182 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #3 0x00007f23f9d3a006 in ?? () from /usr/lib64/libgio-2.0.so.0 No symbol table info available. #4 0x00007f23fa89ac85 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #5 0x00007f23fc993364 in start_thread () from /lib64/libpthread.so.0 No symbol table info available. #6 0x00007f23fcc9034d in clone () from /lib64/libc.so.6 No symbol table info available. Thread 1 (Thread 0x7f23fd617700 (LWP 22119)): #0 0x00007f23fcc5ffeb in waitpid () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f23fb214064 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 0x00007f23fb214268 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 No symbol table info available. #4 0x00007f23f8ed0bc6 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 0x00007f23f8ed0e46 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 0x00007f23f8ed0ee5 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 0x00007f23f8ed2a5e 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 0x00007f23f8f0c523 in _cairo_xlib_xcb_surface_flush (abstract_surface=0x424dbe0, 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 = 0x424dbe0 #9 0x00007f23f8ed0c61 in __cairo_surface_flush (surface=0x424dbe0, 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 0x00007f23f8ed2a97 in _cairo_surface_flush (surface=0x424dbe0, 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 0x00007f23f8edc16e in _cairo_surface_subsurface_flush (abstract_surface=0x37af490, flags=0) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface-subsurface.c:228 surface = 0x37af490 #12 0x00007f23f8ed0c61 in __cairo_surface_flush (surface=0x37af490, 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 0x00007f23f8ed2a97 in _cairo_surface_flush (surface=0x37af490, 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 0x00007f23f8ed21b0 in _cairo_surface_finish_snapshots (surface=0x37af490) at /var/tmp/portage/x11-libs/cairo-1.14.6/work/cairo-1.14.6/src/cairo-surface.c:1017 status = 32764 #15 0x00007f23f8ed2018 in INT_cairo_surface_destroy (surface=0x37af490) 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 0x00007f23fcfd3192 in run_final (objspace=0x6d09f0, zombie=15540720) at gc.c:2459 key = 15541160 table = 15541160 #17 0x00007f23fcfd321b in finalize_list (objspace=0x6d09f0, zombie=15540720) at gc.c:2475 next_zombie = 15540560 page = 0xec61e0 #18 0x00007f23fcfd32ed in finalize_deferred (objspace=0x6d09f0) at gc.c:2496 zombie = 7192480 #19 0x00007f23fcfd346a in rb_objspace_call_finalizer (objspace=0x6d09f0) at gc.c:2562 p = 0x7f23fcbdb550 pend = 0x7ffcc0fbe6c0 i = 0 __PRETTY_FUNCTION__ = "rb_objspace_call_finalizer" #20 0x00007f23fcfd3429 in rb_gc_call_finalizer_at_exit () at gc.c:2548 No locals. #21 0x00007f23fcfba004 in ruby_finalize_1 () at eval.c:128 No locals. #22 0x00007f23fcfba529 in ruby_cleanup (ex=0) at eval.c:229 _th = 0x6d05f0 _tag = {tag = 0, retval = 12892046832, buf = {{__jmpbuf = {140723546221216, 139792544932646, 140723546220448, 140723546221584, 0, 0, 0, 139792549590557}, __mask_was_saved = 5, __saved_mask = {__val = {0, 0, 139792544479528, 0, 140723546221312, 4196480, 139792549617344, 4196480, 139792546458496, 0, 140723546221256, 4196480, 0, 8384512, 0, 0}}}}, prev = 0x0} state = 0 errs = {8, 8} th = 0x6d05f0 nerr = 2 #23 0x00007f23fcfba7c6 in ruby_run_node (n=0x9260a8) at eval.c:309 status = 32547 #24 0x00000000004009c3 in main (argc=3, argv=0x7ffcc0fbec18) at main.c:36 variable_in_this_stack_frame = 0 A debugging session is active. Inferior 1 [process 22119] will be detached. Quit anyway? (y or n) [answered Y; input not from terminal]