Program received signal SIGPIPE, Broken pipe.
0xffffe430 in __kernel_vsyscall ()
(gdb) bt f
#0  0xffffe430 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7c59dec in writev ()
   from /lib/libc.so.6
No symbol table info available.
#2  0x0813c8fe in _XSERVTransSocketWritev (
    ciptr=0xa838310, buf=0xbfeb21c4, size=1)
    at /usr/include/X11/Xtrans/Xtranssock.c:2189
No locals.
#3  0x0813b93f in _XSERVTransWritev (
    ciptr=0xa838310, buf=0xbfeb21c4, size=1)
    at /usr/include/X11/Xtrans/Xtrans.c:912
No locals.
#4  0x08137892 in FlushClient (
    who=0xb8555d8, oc=0xb8427f8, 
    __extraBuf=0x0, extraCount=0) at io.c:899
---Type <return> to continue, or q <return> to quit---
	before = <value optimized out>
	remain = <value optimized out>
	i = -1075109436
	len = <value optimized out>
	oco = (ConnectionOutputPtr) 0x9980458
	connection = 61
	trans_conn = (
    XtransConnInfo) 0xa838310
	iov = {{iov_base = 0x9f965a0, 
    iov_len = 160}, {iov_base = 0x80910e1, 
    iov_len = 3219857944}, {iov_base = 0x88, 
    iov_len = 3219857960}}
	written = 0
	padsize = 0
	notWritten = 160
	todo = 160
	padBuffer = "\000\000"
---Type <return> to continue, or q <return> to quit---
#5  0x0813820f in FlushAllOutput ()
    at io.c:649
	index = <value optimized out>
	base = 1
	mask = 0
	oc = (OsCommPtr) 0xb8427f8
	client = (ClientPtr) 0x1
	newoutput = <value optimized out>
#6  0x0808ce7d in Dispatch ()
    at dispatch.c:456
	result = 0
	client = (ClientPtr) 0x847d9c0
	nready = 0
	start_tick = 80040
#7  0x08071d6d in main (argc=8, 
    argv=0xbfeb2364, envp=0x80910e1)
    at main.c:397
---Type <return> to continue, or q <return> to quit---
	i = <value optimized out>
	alwaysCheckForInput = {0, 1}
(gdb)