.
Thread 3 (Thread 0x7f8c218ad700 (LWP 16499)):
#0  0x00007f8c288c744d in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f8c2942687c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f8c29426d52 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f8c2a151b76 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f8c2944a565 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f8c28ba5f9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f8c288d30cd in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 2 (Thread 0x7f8c220ae700 (LWP 16498)):
#0  0x00007f8c288c744d in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f8c2942687c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f8c294269a4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f8c220b557d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f8c2944a565 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f8c28ba5f9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f8c288d30cd in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 1 (Thread 0x7f8c2c3a59c0 (LWP 16495)):
#0  0x00007f8c2aec5aae in gtk_icon_theme_lookup_by_gicon () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#1  0x00007f8c2aec5ca1 in gtk_icon_theme_lookup_by_gicon () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#2  0x00007f8c2ae57877 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#3  0x00007f8c2affe67e in gtk_tree_view_column_cell_get_size () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#4  0x00007f8c2afe6bf7 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#5  0x00007f8c2afe9cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#6  0x00007f8c2afe9f92 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#7  0x00007f8c2afea029 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#8  0x00007f8c2ab28ea7 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#9  0x00007f8c294265a5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007f8c294268e8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f8c29426d52 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007f8c2aef0f17 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#13 0x0000000000422e69 in fe_main ()
No symbol table info available.
#14 0x000000000041d05a in main ()
No symbol table info available.