#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x000000000043972a in ?? ()
No symbol table info available.
#2  0x000000000043ab45 in mm_serial_port_queue_command ()
No symbol table info available.
#3  0x0000000000422eeb in ?? ()
No symbol table info available.
#4  0x000000000040e084 in ?? ()
No symbol table info available.
#5  0x00007f45c48a3c4e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.