.
Thread 2 (LWP 1474):
#0  0x00007f46671dfd93 in ?? ()
No symbol table info available.
#1  0x00000000025525b0 in ?? ()
No symbol table info available.
#2  0x00007f46ffffffff in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x00007f46580010e0 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x00007f46679d80e6 in ?? ()
No symbol table info available.
#7  0x00000000025525b0 in ?? ()
No symbol table info available.
#8  0xffffffff7fffffff in ?? ()
No symbol table info available.
#9  0x0000000000000001 in ?? ()
No symbol table info available.
#10 0x00007f46580010c0 in ?? ()
No symbol table info available.
#11 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 978):
#0  0x00007f46679f0f5a in ?? ()
No symbol table info available.
#1  0x0000000000000040 in ?? ()
No symbol table info available.
#2  0x00007f4667fc63f4 in ?? ()
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.