.
Thread 3 (LWP 11145):
#0  0x00007f7967e3eddd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (LWP 11144):
#0  0x00007f7967e3eddd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 11143):
#0  0x00007f7967d87f79 in ?? ()
No symbol table info available.
#1  0x00007f7967d8b388 in ?? ()
No symbol table info available.
#2  0x0000000000000020 in ?? ()
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.