.
Thread 2 (LWP 1735):
#0  0x00007faf931f1bb7 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 1732):
#0  0x00007faf9310ee97 in ?? ()
No symbol table info available.
#1  0x000000000a392000 in ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.