.
Thread 2 (process 2657):
#0  0x00613416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x0049ae96 in *__GI___poll (fds=0x96acdf8, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = <value optimized out>
	oldtype = -516
	result = <value optimized out>
#2  0xffffffff in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (process 2654):
#0  0x00442f9e in _IO_default_xsputn (f=0xbf24f5cc, data=0x243bdf, n=1)
    at genops.c:55
	s = 0x243bdf "(%s:%lu): "
	more = 1
#1  0x0041612a in _IO_vfprintf_internal (s=0x535b00, 
    format=0x449760 "U\211�\203�\030\211]��c��\201�\206�\016", 
    ap=0x449c20 "U\211�\203�\020\211]�\213U\b��^��\201���\016")
    at vfprintf.c:2168
	_buffer = {__routine = 0x1, __arg = 0x44705e, __canceltype = 2374745, 
  __prev = 0x23f5fd}
	_avail = <value optimized out>
	thousands_sep = Unhandled dwarf expression opcode 0x9f