.
Thread 5 (LWP 1467):
#0  0x00007f33f501f83d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f33f5da333c in ?? ()
No symbol table info available.
#2  0x00007ffc688eeb1f in ?? ()
No symbol table info available.
#3  0x0000000101c7d000 in ?? ()
No symbol table info available.
#4  0x000000647fffffff in ?? ()
No symbol table info available.
#5  0x79ab05f77037f100 in ?? ()
No symbol table info available.
#6  0x00007ffc688eeb1f in ?? ()
No symbol table info available.
#7  0x0000000001c85c10 in ?? ()
No symbol table info available.
#8  0x0000000000000001 in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (LWP 1469):
#0  0x00007f33f501f83d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f33f5da333c in ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 1507):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f33f5de7d0a in ?? ()
No symbol table info available.
#2  0x0000000000000027 in ?? ()
No symbol table info available.
#3  0x00000000263538fa in ?? ()
No symbol table info available.
#4  0x000000000000000e in ?? ()
No symbol table info available.
#5  0x000000003b9ac54e in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (LWP 1468):
#0  0x00007f33f501f83d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f33f5da333c in ?? ()
No symbol table info available.
#2  0x0000000000000020 in ?? ()
No symbol table info available.
#3  0x0000000101c933a0 in ?? ()
No symbol table info available.
#4  0xffffffff7fffffff in ?? ()
No symbol table info available.
#5  0x79ab05f77037f100 in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 1466):
#0  0x00007f33f763f846 in ?? ()
No symbol table info available.
#1  0x0000000001d4f860 in ?? ()
No symbol table info available.
#2  0x0000000000000010 in ?? ()
No symbol table info available.
#3  0x0000000000000004 in ?? ()
No symbol table info available.
#4  0x00007f33f5d922d0 in ?? ()
No symbol table info available.
#5  0x0000000001deea71 in ?? ()
No symbol table info available.
#6  0x0000000001c44180 in ?? ()
No symbol table info available.
#7  0x0000000001c5e170 in ?? ()
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.