#0  0xb6d18c64 in libusb_get_bus_number () from /lib/i386-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#1  0xb777761e in ?? () from /usr/lib/i386-linux-gnu/libgphoto2_port/0.8.0/usb1.so
No symbol table info available.
#2  0xb76ea85c in gp_port_usb_find_device_by_class () from /usr/lib/i386-linux-gnu/libgphoto2_port.so.0
No symbol table info available.
#3  0xb76f4b11 in gp_abilities_list_detect () from /usr/lib/i386-linux-gnu/libgphoto2.so.2
No symbol table info available.
#4  0xb76f7d88 in gp_camera_init () from /usr/lib/i386-linux-gnu/libgphoto2.so.2
No symbol table info available.
#5  0x0804d0a3 in ?? ()
No symbol table info available.
#6  0x0804d279 in ?? ()
No symbol table info available.
#7  0x0804d843 in ?? ()
No symbol table info available.
#8  0xb75223ef in ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0xb7523cb1 in g_object_newv () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0xb75243b0 in g_object_new () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x08050450 in ?? ()
No symbol table info available.
#12 0x08051f03 in ?? ()
No symbol table info available.
#13 0x0804c211 in ?? ()
No symbol table info available.
#14 0xb7255935 in __libc_start_main (main=0x804c1e0, argc=1, ubp_av=0xbfe8ee64, init=0x8056cd0, fini=0x8056d40, rtld_fini=0xb7797600 <_dl_fini>, stack_end=0xbfe8ee5c) at libc-start.c:260
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1220628480, 0, 0, 0, -752042858, 1212610695}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x1, 0x804c214}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}}
        not_first_call = <optimized out>
#15 0x0804c235 in ?? ()
No symbol table info available.