. Thread 5 (Thread 0x7f996cb09700 (LWP 6498)): #0 0x00007f998a426773 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f996cd26029 in ?? () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3 No symbol table info available. #2 0x00007f996cd25b71 in avahi_simple_poll_run () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3 No symbol table info available. #3 0x00007f996cd25dd2 in avahi_simple_poll_iterate () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3 No symbol table info available. #4 0x00007f996cd25f73 in avahi_simple_poll_loop () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3 No symbol table info available. #5 0x00007f996cd260a1 in ?? () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3 No symbol table info available. #6 0x00007f998a6f7edc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #7 0x00007f998a43289d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #8 0x0000000000000000 in ?? () No symbol table info available. . Thread 4 (Thread 0x7f9982473700 (LWP 6492)): #0 0x00007f998a426773 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f998ad7f368 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f998ad7fb92 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f998baaaf86 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f998ada4916 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f998a6f7edc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f998a43289d 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 3 (Thread 0x7f9982c74700 (LWP 6491)): #0 0x00007f998a426773 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f998ad7f368 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f998ad7fb92 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f9982c79c7b in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007f998ada4916 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f998a6f7edc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f998a43289d 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 0x7f9977d75700 (LWP 6494)): #0 0x00007f998a42aa47 in ioctl () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f997715c283 in ?? () from /lib/libusb-0.1.so.4 No symbol table info available. #2 0x00007f996bbdc176 in ?? () from /usr/lib/libhpmud.so.0 No symbol table info available. #3 0x00007f996bbdeef3 in ?? () from /usr/lib/libhpmud.so.0 No symbol table info available. #4 0x00007f996bbd9c32 in ?? () from /usr/lib/libhpmud.so.0 No symbol table info available. #5 0x00007f996bbdba66 in ?? () from /usr/lib/libhpmud.so.0 No symbol table info available. #6 0x00007f996c0f02a7 in ?? () from /usr/lib/sane/libsane-hpaio.so.1 No symbol table info available. #7 0x00007f996c0ed531 in ?? () from /usr/lib/sane/libsane-hpaio.so.1 No symbol table info available. #8 0x00007f996c0ed804 in ?? () from /usr/lib/sane/libsane-hpaio.so.1 No symbol table info available. #9 0x00007f996c0ec435 in sane_hpaio_read () from /usr/lib/sane/libsane-hpaio.so.1 No symbol table info available. #10 0x0000000000420b7b in ?? () No symbol table info available. #11 0x0000000000421bcd in ?? () No symbol table info available. #12 0x00007f998ada4916 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #13 0x00007f998a6f7edc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #14 0x00007f998a43289d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #15 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 0x7f998ce67940 (LWP 6489)): #0 0x00000000004152ea in ?? () No symbol table info available. #1 0x00007f998b03fed4 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #2 0x00007f998b05317b in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #3 0x00007f998b05c797 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #4 0x00007f998b05cb4d in g_signal_emit_by_name () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0x00000000004124da in page_set_page_info () No symbol table info available. #6 0x0000000000418887 in ?? () No symbol table info available. #7 0x00007f998b03fed4 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #8 0x00007f998b05317b in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #9 0x00007f998b05c797 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #10 0x00007f998b05cb4d in g_signal_emit_by_name () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #11 0x000000000041ebe2 in ?? () No symbol table info available. #12 0x00007f998ad7ee5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #13 0x00007f998ad7f658 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #14 0x00007f998ad7fb92 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #15 0x00007f998c12210d in gtk_main () from /usr/lib/libgtk-3.so.0 No symbol table info available. #16 0x000000000041a350 in application_main () No symbol table info available. #17 0x00007f998a37230d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #18 0x000000000040c2c9 in _start () No symbol table info available.