.
Thread 2 (Thread 1230):
#0  0x00c58422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00369941 in select () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0x080578ff in ?? ()
No symbol table info available.
#3  0x0804f6c6 in ?? ()
No symbol table info available.
#4  0x002b9bd6 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#5  0x0804a131 in _start ()
No symbol table info available.
.
Thread 1 (Thread 1270):
#0  0x00c58422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x002cd641 in raise () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0x002d0a72 in abort () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0x0030448d in ?? () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#4  0x0030e581 in ?? () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#5  0x0030fdd8 in ?? () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#6  0x00312ebd in free () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#7  0x00125c6b in usb_destroy_configuration () from /lib/libusb-0.1.so.4
No symbol table info available.
#8  0x001253a2 in usb_free_dev () from /lib/libusb-0.1.so.4
No symbol table info available.
#9  0x00125820 in usb_find_devices () from /lib/libusb-0.1.so.4
No symbol table info available.
#10 0x0804d871 in ?? ()
No symbol table info available.
#11 0x0804e08a in ?? ()
No symbol table info available.
#12 0x0044f96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#13 0x003709de in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.