.
Thread 3 (Thread 0x7f0882e03700 (LWP 4334)):
#0  0x00007f088b976bf9 in __GI___poll (fds=0x560a3e92bad0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f088bc9f439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f088bc9f7d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f088c28be76 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f088bcc6e05 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f088aac06db in start_thread (arg=0x7f0882e03700) at pthread_create.c:463
        pd = 0x7f0882e03700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139674532198144, -2761025214665462408, 139674532195456, 0, 94601999039968, 140726681883664, 2864249721675312504, 2864231544471678328}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f088b98388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7f0883604700 (LWP 4333)):
#0  0x00007f088b976bf9 in __GI___poll (fds=0x560a3e91a230, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f088bc9f439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f088bc9f54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f088bc9f591 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f088bcc6e05 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f088aac06db in start_thread (arg=0x7f0883604700) at pthread_create.c:463
        pd = 0x7f0883604700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139674540590848, -2761025214665462408, 139674540588160, 0, 94601999039808, 140726681883280, 2864246423677300088, 2864231544471678328}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f088b98388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7f088dd40a80 (LWP 4332)):
#0  0x00007f088d2db1ed in gtk_drag_finish () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#1  0x00007f088d2db65b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#2  0x00007f088d2db889 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#3  0x00007f088de18b18 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#4  0x00007f088bc9fb73 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f088bc9f0f5 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f088bc9f4c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#7  0x00007f088bc9f7d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x00007f088d151005 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#9  0x0000560a3e034e2c in ?? ()
No symbol table info available.
#10 0x00007f088b883b97 in __libc_start_main (main=0x560a3e034bf0, argc=1, argv=0x7ffd7be256d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd7be256c8) at ../csu/libc-start.c:310
        self = <optimized out>
        __self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8483271196884331896, 94601990065792, 140726681884368, 0, 0, 2761878611043020152, 2864229037665545592}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f088dcf0733 <_dl_init+259>, 0x7f088dcde250}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1915812045}}}
        not_first_call = <optimized out>
#11 0x0000560a3e034eaa in ?? ()
No symbol table info available.