.
Thread 1 (process 19169):
#0  0x00002adff13a3ac0 in ?? () from /usr/lib/libmfp.so
#1  0x00002adff13a569a in m_parport_ECP_supported () from /usr/lib/libmfp.so
#2  0x00002adff13a5ac7 in port_init () from /usr/lib/libmfp.so
#3  0x00002adff13a5bdb in dpa_init () from /usr/lib/libmfp.so
#4  0x00002adff139f52b in mfp_get_devices () from /usr/lib/libmfp.so
#5  0x00002adff1275271 in port::init_mfp_port_control ()
   from /usr/lib/sane/libsane-smfp.so.1
#6  0x00002adff1266ae9 in device::init_mfp_port_control ()
   from /usr/lib/sane/libsane-smfp.so.1
#7  0x00002adff1268fa9 in driver::init_mfp_port_control ()
   from /usr/lib/sane/libsane-smfp.so.1
#8  0x00002adff1265304 in backend::init ()
   from /usr/lib/sane/libsane-smfp.so.1
#9  0x00002adff1264d61 in sane_smfp_init ()
   from /usr/lib/sane/libsane-smfp.so.1
#10 0x00002adfe82d16c0 in ?? () from /usr/lib/libsane.so.1
#11 0x00002adfe82ce000 in ?? ()
#12 0x00002adfe82a25d4 in ?? () from /lib64/ld-linux-x86-64.so.2
#13 0x00002adfe82a8272 in ?? () from /lib64/ld-linux-x86-64.so.2
#14 0x000000000045cd7e in ?? ()
#15 0x0000000000467b7b in ?? ()
#16 0x0000000000468b3d in ?? ()
#17 0x00002adfecf238e4 in __libc_start_main () from /lib/libc.so.6
#18 0x0000000000409129 in ?? ()
#19 0x00007fffc2812278 in ?? ()
#20 0x0000000000000000 in ?? ()