.
Thread 3 (Thread 0x7f9d8325b700 (LWP 2195)):
#0  0x00007f9d8a506ddd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f9d8aa45fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9d8aa460ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9d8aa46129 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f9d8aa6af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9d8a7e7182 in start_thread (arg=0x7f9d8325b700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f9d8325b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140314486880000, -8695155290527407520, 0, 0, 140314486880704, 140314486880000, 8678326660996620896, 8678311867423875680}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f9d8a51412d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 2 (Thread 0x7f9d83a5c700 (LWP 2014)):
#0  0x00007f9d8a506ddd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f9d8aa45fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9d8aa4630a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9d8b02d306 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f9d8aa6af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9d8a7e7182 in start_thread (arg=0x7f9d83a5c700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f9d83a5c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140314495272704, -8695155290527407520, 0, 0, 140314495273408, 140314495272704, 8678327761045119584, 8678311867423875680}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f9d8a51412d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7f9d8de69a00 (LWP 1870)):
#0  0x00007f9d8aa60bc5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#1  0x00007f9d8aa18231 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9d8aa61929 in g_slice_free1 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9d8ad3607c in g_type_free_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007f9d8ad18494 in g_cclosure_marshal_VOID__OBJECTv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007f9d8ad155e7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f9d8ad2e088 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f9d8ad2ece2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f9d8c9d14a0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#9  0x00007f9d8c9c2683 in gtk_tree_view_remove_column () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#10 0x00007f9d8c9c8607 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#11 0x00007f9d8ad15332 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007f9d8ad270d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007f9d8ad2ea29 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007f9d8ad2ece2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007f9d8c8f5fc0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#16 0x00007f9d8ad1bad0 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007f9d8c92e90e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#18 0x00007f9d8c85a08f in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#19 0x00007f9d8ad15332 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x00007f9d8ad270d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#21 0x00007f9d8ad2ea29 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#22 0x00007f9d8ad2ece2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#23 0x00007f9d8c8f5fc0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#24 0x00007f9d8ad1bad0 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#25 0x00007f9d8c8fa5c0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#26 0x00007f9d8c85a08f in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#27 0x00007f9d8ad15332 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#28 0x00007f9d8ad270d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#29 0x00007f9d8ad2ea29 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#30 0x00007f9d8ad2ece2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#31 0x00007f9d8c8f5fc0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#32 0x00007f9d8ad1bad0 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#33 0x00007f9d8c9531f8 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#34 0x00007f9d8c85a08f in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#35 0x00007f9d8ad15332 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#36 0x00007f9d8ad270d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#37 0x00007f9d8ad2ea29 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#38 0x00007f9d8ad2ece2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#39 0x00007f9d8c8f5fc0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#40 0x00007f9d8ad1bad0 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#41 0x00007f9d8c85a08f in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#42 0x00007f9d8ad153b8 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#43 0x00007f9d8ad270d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#44 0x00007f9d8ad2ea29 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#45 0x00007f9d8ad2ece2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#46 0x00007f9d8c8f5fc0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#47 0x00007f9d8ad1bad0 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#48 0x00007f9d8c8d04ae in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#49 0x00007f9d8c33c18c in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#50 0x00007f9d8aa45e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#51 0x00007f9d8aa46048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#52 0x00007f9d8aa4630a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#53 0x00007f9d8c8cf3f7 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#54 0x00007f9d8dec928e in ?? ()
No symbol table info available.
#55 0x00007f9d8a43aec5 in __libc_start_main (main=0x7f9d8dec8eb0, argc=4, argv=0x7fff2ce04e08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2ce04df8) at libc-start.c:285
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8695155290527407520, 140314667684905, 140733946285568, 0, 0, 8694977077778145888, 8678312040998855264}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fff2ce04e30, 0x7f9d8dea51c8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 752897584}}}
        not_first_call = <optimized out>
#56 0x00007f9d8dec9452 in ?? ()
No symbol table info available.