. Thread 3 (Thread 1811): #0 0x00007f4fa40c2093 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f4fa45f11c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f4fa45f19f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f4f98c18a0b in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007f4fa4616506 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f4fa4395d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f4fa40cf1dd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 1810): #0 0x00007f4fa40c2093 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f4fa45f11c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f4fa45f19f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f4fa52cfb36 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f4fa4616506 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f4fa4395d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f4fa40cf1dd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 1807): #0 0x00007f4f9af9f2c3 in ?? () from /usr/lib/gtk-3.0/3.0.0/theming-engines/libunico.so No symbol table info available. #1 0x00007f4fa627fbbd in gtk_icon_set_render_icon_pixbuf () from /usr/lib/libgtk-3.so.0 No symbol table info available. #2 0x00007f4fa62957cf in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #3 0x00007f4fa62b5073 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #4 0x00007f4fa63f81c0 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #5 0x00007f4fa4dacdda in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x00007f4fa4dbff34 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #7 0x00007f4fa4dc9596 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #8 0x00007f4fa4dc98d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #9 0x00007f4fa640ac7a in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #10 0x00007f4fa622586e in gtk_container_propagate_draw () from /usr/lib/libgtk-3.so.0 No symbol table info available. #11 0x00007f4fa61dc2c3 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #12 0x00007f4fa6224023 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #13 0x00007f4fa62b5073 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #14 0x00007f4fa63f81c0 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #15 0x00007f4fa4dacdda in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #16 0x00007f4fa4dbff34 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #17 0x00007f4fa4dc9596 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #18 0x00007f4fa4dc98d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #19 0x00007f4fa640ac7a in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #20 0x00007f4fa622586e in gtk_container_propagate_draw () from /usr/lib/libgtk-3.so.0 No symbol table info available. #21 0x00007f4fa6224023 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #22 0x00007f4fa61e64e7 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #23 0x00007f4fa62b5073 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #24 0x00007f4fa63f81c0 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #25 0x00007f4fa4dacdda in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #26 0x00007f4fa4dbff34 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #27 0x00007f4fa4dc9596 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #28 0x00007f4fa4dc98d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #29 0x00007f4fa640ac7a in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #30 0x00007f4fa622586e in gtk_container_propagate_draw () from /usr/lib/libgtk-3.so.0 No symbol table info available. #31 0x00007f4fa6224023 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #32 0x00007f4fa62b5073 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #33 0x00007f4fa63f81c0 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #34 0x00007f4fa4dacdda in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #35 0x00007f4fa4dbff34 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #36 0x00007f4fa4dc9596 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #37 0x00007f4fa4dc98d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #38 0x00007f4fa640ac7a in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #39 0x00007f4fa622586e in gtk_container_propagate_draw () from /usr/lib/libgtk-3.so.0 No symbol table info available. #40 0x00007f4fa63a077b in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #41 0x00007f4fa62b5073 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #42 0x00007f4fa63f81c0 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #43 0x00007f4fa4dacdda in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #44 0x00007f4fa4dbff34 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #45 0x00007f4fa4dc9596 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #46 0x00007f4fa4dc98d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #47 0x00007f4fa640ac7a in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #48 0x00007f4fa622586e in gtk_container_propagate_draw () from /usr/lib/libgtk-3.so.0 No symbol table info available. #49 0x00007f4fa61dc2c3 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #50 0x00007f4fa6224023 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #51 0x00007f4fa62b5073 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #52 0x00007f4fa63f81c0 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #53 0x00007f4fa4dacdda in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #54 0x00007f4fa4dbff34 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #55 0x00007f4fa4dc9596 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #56 0x00007f4fa4dc98d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #57 0x00007f4fa640ac7a in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #58 0x00007f4fa622586e in gtk_container_propagate_draw () from /usr/lib/libgtk-3.so.0 No symbol table info available. #59 0x00007f4fa6224023 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #60 0x00007f4fa641881e in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #61 0x00007f4fa62b5073 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #62 0x00007f4fa63f81c0 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #63 0x00007f4fa4dace84 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #64 0x00007f4fa4dbff34 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #65 0x00007f4fa4dc9596 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #66 0x00007f4fa4dc98d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #67 0x00007f4fa640ac7a in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #68 0x00007f4fa640adc1 in gtk_widget_send_expose () from /usr/lib/libgtk-3.so.0 No symbol table info available. #69 0x00007f4fa62b4f5c in gtk_main_do_event () from /usr/lib/libgtk-3.so.0 No symbol table info available. #70 0x00007f4fa5efe847 in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #71 0x00007f4fa5efde1f in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #72 0x00007f4fa5efe2b8 in gdk_window_process_all_updates () from /usr/lib/libgdk-3.so.0 No symbol table info available. #73 0x00007f4fa6223b49 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #74 0x00007f4fa5ee391f in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #75 0x00007f4fa45f0cbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #76 0x00007f4fa45f14b8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #77 0x00007f4fa45f19f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #78 0x00007f4fa62b40ad in gtk_main () from /usr/lib/libgtk-3.so.0 No symbol table info available. #79 0x0000000000417813 in ?? () No symbol table info available. #80 0x00007f4fa5a1357f in ?? () from /usr/lib/libguile.so.17 No symbol table info available. #81 0x00007f4fa59ea12a in ?? () from /usr/lib/libguile.so.17 No symbol table info available. #82 0x00007f4fa5a508b3 in usernamem_c_catch () from /usr/lib/libguile.so.17 No symbol table info available. #83 0x00007f4fa59ea6b7 in usernamem_i_with_continuation_barrier () from /usr/lib/libguile.so.17 No symbol table info available. #84 0x00007f4fa59ea750 in usernamem_c_with_continuation_barrier () from /usr/lib/libguile.so.17 No symbol table info available. #85 0x00007f4fa5a4ed64 in usernamem_i_with_guile_and_parent () from /usr/lib/libguile.so.17 No symbol table info available. #86 0x00007f4fa5a13635 in usernamem_boot_guile () from /usr/lib/libguile.so.17 No symbol table info available. #87 0x000000000040db2f in ?? () No symbol table info available. #88 0x00007f4fa4007e1f in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #89 0x000000000040db65 in ?? () No symbol table info available. #90 0x00007fff49801468 in ?? () No symbol table info available. #91 0x000000000000001c in ?? () No symbol table info available. #92 0x0000000000000001 in ?? () No symbol table info available. #93 0x00007fff49801a92 in ?? () No symbol table info available. #94 0x0000000000000000 in ?? () No symbol table info available.