#0  0x00007f99551b7ca4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f993e24a7de in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#2  0x00007f993e2431dc in libusb_get_device_list () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#3  0x00007f993e98a9f8 in ?? () from /usr/lib/libhpmud.so.0
No symbol table info available.
#4  0x00007f993e97f196 in hpmud_probe_devices () from /usr/lib/libhpmud.so.0
No symbol table info available.
#5  0x00007f993ef5f05d in ?? () from /usr/lib/sane/libsane-hpaio.so.1
No symbol table info available.
#6  0x00007f993ef5f610 in sane_hpaio_get_devices () from /usr/lib/sane/libsane-hpaio.so.1
No symbol table info available.
#7  0x00007f9955f843d6 in sane_dll_get_devices () from /usr/lib/x86_64-linux-gnu/libsane.so.1
No symbol table info available.
#8  0x0000000000402474 in _start ()
No symbol table info available.