.
Thread 5 (LWP 1868):
#0  0xb77d2cb0 in ?? ()
Python Exception <class 'gdb.MemoryError'> Cannot access memory at address 0x6: 
No symbol table info available.
.
Thread 4 (LWP 1824):
#0  0xb77d2cb0 in ?? ()
No symbol table info available.
Cannot access memory at address 0x6