.
Thread 2 (LWP 3686):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x0000000000944a39 in ?? ()
No symbol table info available.
#2  0x000000000049455c in ?? ()
No symbol table info available.
#3  0x0000000000943f83 in ?? ()
No symbol table info available.
#4  0x00007f6c403f6182 in start_thread (arg=0x7f6c412c2700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f6c412c2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140102926608128, 1459453407509047032, 0, 0, 140102926608832, 140102926608128, -1542052428653828360, -1542054773617498376}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f6c3f7c212d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (LWP 3677):
#0  0x0000000000939d75 in ?? ()
No symbol table info available.
#1  0x00000000004a8906 in ?? ()
No symbol table info available.
#2  0x00000000004db9b3 in ?? ()
No symbol table info available.
#3  0x00000000004d5d02 in ?? ()
No symbol table info available.
#4  0x00000000004d3b31 in ?? ()
No symbol table info available.
#5  0x0000000000636c16 in ?? ()
No symbol table info available.
#6  0x000000000063798f in ?? ()
No symbol table info available.
#7  0x0000000000637a70 in ?? ()
No symbol table info available.
#8  0x0000000000572481 in ?? ()
No symbol table info available.
#9  0x0000000000574adc in ?? ()
No symbol table info available.
#10 0x00000000005859df in ?? ()
No symbol table info available.
#11 0x000000000058d284 in ?? ()
No symbol table info available.
#12 0x000000000058e98f in ?? ()
No symbol table info available.
#13 0x000000000058ea2d in ?? ()
No symbol table info available.
#14 0x0000000000570ccb in ?? ()
No symbol table info available.
#15 0x0000000000538799 in ?? ()
No symbol table info available.
#16 0x000000000053a515 in ?? ()
No symbol table info available.
#17 0x000000000053b07f in ?? ()
No symbol table info available.
#18 0x00000000006404b7 in ?? ()
No symbol table info available.
#19 0x0000000000640f18 in ?? ()
No symbol table info available.
#20 0x000000000063c372 in ?? ()
No symbol table info available.
#21 0x00000000005e019d in ?? ()
No symbol table info available.
#22 0x0000000000410420 in ?? ()
No symbol table info available.
#23 0x00007f6c3f6e8ec5 in __libc_start_main (main=0x410179, argc=5, argv=0x7fff011e8ee8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff011e8ed8) at libc-start.c:285
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1459453407509047032, 4238208, 140733212167904, 0, 0, -1459439948729981192, -1542065086473607432}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x99d7e0, 0x7fff011e8ee8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 10082272}}}
        not_first_call = <optimized out>
#24 0x000000000040aba9 in ?? ()
No symbol table info available.