.
Thread 4 (LWP 2394):
#0  0x00007fa01e3ee0fe in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 2381):
#0  0x00007fa01e10bd93 in ?? ()
No symbol table info available.
#1  0x0000000002072780 in ?? ()
No symbol table info available.
#2  0x00007fa0ffffffff in ?? ()
No symbol table info available.
#3  0x0000000000000005 in ?? ()
No symbol table info available.
#4  0x00007fa014006e30 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x00007fa01e647136 in ?? ()
No symbol table info available.
#7  0x0000000002072780 in ?? ()
No symbol table info available.
#8  0xffffffff7fffffff in ?? ()
No symbol table info available.
#9  0x0000000000000001 in ?? ()
No symbol table info available.
#10 0x0000000002072730 in ?? ()
No symbol table info available.
#11 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (LWP 2383):
#0  0x00007fa01e10bd93 in ?? ()
No symbol table info available.
#1  0x000000000207e900 in ?? ()
No symbol table info available.
#2  0x00007fa00001d4c0 in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x00007fa0040010e0 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x00007fa01e647136 in ?? ()
No symbol table info available.
#7  0x000000000207e900 in ?? ()
No symbol table info available.
#8  0x0001d4c07fffffff in ?? ()
No symbol table info available.
#9  0x0000000000000001 in ?? ()
No symbol table info available.
#10 0x00007fa0040010c0 in ?? ()
No symbol table info available.
#11 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 2380):
#0  0x00007fa01e64e13b in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.