diff -rc qemu-kvm-0.11.0-rc1-orig/slirp/socket.c qemu-kvm-0.11.0-rc1/slirp/socket.c
*** qemu-kvm-0.11.0-rc1-orig/slirp/socket.c	2009-08-02 15:38:42.000000000 +0200
--- qemu-kvm-0.11.0-rc1/slirp/socket.c	2009-08-05 18:09:20.000000000 +0200
***************
*** 587,592 ****
--- 587,593 ----
             u_int lport, int flags)
  {
  	struct sockaddr_in addr;
+ 	struct sockaddr_un addr_un;
  	struct socket *so;
  	int s, opt = 1;
  	socklen_t addrlen = sizeof(addr);
***************
*** 621,633 ****
  	so->so_lport = lport; /* Kept in network format */
  	so->so_laddr.s_addr = laddr; /* Ditto */
  
! 	addr.sin_family = AF_INET;
! 	addr.sin_addr.s_addr = haddr;
! 	addr.sin_port = hport;
  
! 	if (((s = socket(AF_INET,SOCK_STREAM,0)) < 0) ||
  	    (setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)) < 0) ||
! 	    (bind(s,(struct sockaddr *)&addr, sizeof(addr)) < 0) ||
  	    (listen(s,1) < 0)) {
  		int tmperrno = errno; /* Don't clobber the real reason we failed */
  
--- 622,643 ----
  	so->so_lport = lport; /* Kept in network format */
  	so->so_laddr.s_addr = laddr; /* Ditto */
  
!         int unix_socket = ntohs(hport) >= 0xff00;
  
!         if (unix_socket) {
!             addr_un.sun_family = AF_UNIX;
!             sprintf(addr_un.sun_path, "./%d.socket", ntohs(hport));
!             unlink(addr_un.sun_path);
!         } else {
!             addr.sin_family = AF_INET;
!             addr.sin_addr.s_addr = haddr;
!             addr.sin_port = hport;
!         }
! 
! 	if (((s = socket(unix_socket ? PF_UNIX : AF_INET, SOCK_STREAM, 0)) < 0) ||
  	    (setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)) < 0) ||
!             (bind(s, unix_socket ? (struct sockaddr *) &addr_un : (struct sockaddr *) &addr,
!                 unix_socket ? sizeof(addr_un) : sizeof(addr)) < 0) ||
  	    (listen(s,1) < 0)) {
  		int tmperrno = errno; /* Don't clobber the real reason we failed */
  
***************
*** 643,654 ****
  	}
  	setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int));
  
! 	getsockname(s,(struct sockaddr *)&addr,&addrlen);
! 	so->so_fport = addr.sin_port;
! 	if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr)
! 	   so->so_faddr = slirp->vhost_addr;
! 	else
! 	   so->so_faddr = addr.sin_addr;
  
  	so->s = s;
  	return so;
--- 652,668 ----
  	}
  	setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int));
  
!         if (unix_socket) {
!             so->so_fport = hport;
!             so->so_faddr = slirp->vhost_addr;
!         } else {
!             getsockname(s,(struct sockaddr *)&addr,&addrlen);
!             so->so_fport = addr.sin_port;
!             if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr)
!                 so->so_faddr = slirp->vhost_addr;
!             else
!                 so->so_faddr = addr.sin_addr;
!         }
  
  	so->s = s;
  	return so;