.
Thread 4 (LWP 23233):
#0  0x00007f7cdc29a3cb in ?? ()
No symbol table info available.
Cannot access memory at address 0x7f7caf06bac0
.
Thread 3 (LWP 22729):
#0  0x00007f7cdb61f773 in ?? ()
No symbol table info available.
Cannot access memory at address 0x7f7cc3b94b20
.
Thread 2 (LWP 22728):
#0  0x00007f7cdb61f773 in ?? ()
No symbol table info available.
Cannot access memory at address 0x7f7cc4395b20
.
Thread 1 (LWP 22670):
#0  0x00007f7cdb5803a5 in ?? ()
No symbol table info available.
Cannot access memory at address 0x7fffc1af89c8