.
Thread 2 (Thread 1644):
#0  0x00007f3b4fbaf5e5 in ?? ()
No symbol table info available.
Cannot access memory at address 0x7f3b44783cd8
.
Thread 1 (Thread 1637):
#0  0x00007f3b4fedccff in ?? ()
No symbol table info available.
Cannot access memory at address 0x7fffa6b2bdf8