.
Thread 6 (LWP 8071):
#0  0x00007fc00e7007ce in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (LWP 27543):
#0  0x00007fc00e41bfbd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (LWP 27542):
#0  0x00007fc00e41bfbd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 27540):
#0  0x00007fc00e41bfbd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (LWP 8114):
#0  0x00007fc00e7007ce in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 27534):
#0  0x00000000004796c9 in ?? ()
No symbol table info available.
#1  0x00000016000000a4 in ?? ()
No symbol table info available.
#2  0x000000050000016e in ?? ()
No symbol table info available.
#3  0x00000016000000a4 in ?? ()
No symbol table info available.
#4  0x00000005000000dc in ?? ()
No symbol table info available.
#5  0x00000016000000a4 in ?? ()
No symbol table info available.
#6  0x0000000001c26150 in ?? ()
No symbol table info available.
#7  0x00000000014a3a60 in ?? ()
No symbol table info available.
#8  0x00007fffdcf08260 in ?? ()
No symbol table info available.
#9  0x0000000000000186 in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.