On Mon, Jan 24, 2011 at 05:03:23PM +0900, Ryan McBride wrote: > $ sudo qemu -m 128 -no-fd-bootchk \ > -hda virtual.img -boot n -nographic \ > -net nic,vlan=0,model=rtl8139,macaddr=52:54:00:12:34:03 \ > -net user -tftp /usr/src/sys/arch/i386/compile/TEST -bootp pxeboot \ > -net nic,vlan=1,model=rtl8139,macaddr=52:54:00:23:03:01 \ > -net tap,vlan=1,script=no \ > -net nic,vlan=3,model=rtl8139,macaddr=52:54:00:23:03:03 \ > -net socket,vlan=3,mcast=230.0.0.1:10003 > setsockopt(SOL_IP, IP_MULTICAST_LOOP): Invalid argument > qemu: -net socket,vlan=3,mcast=230.0.0.1:10003: Device 'socket' could not be > initialized > > Works fine if I comment out the last two lines.
setsockopt(SOL_IP, IP_MULTICAST_LOOP) takes a u_char, not int as in the 0.13.0 qemu code. The patch to net/socket.c below fixes this, which lets me test the pthreads changes properly with my setup. Index: Makefile =================================================================== RCS file: /cvs/ports/emulators/qemu/Makefile,v retrieving revision 1.60 diff -u -p -r1.60 Makefile --- Makefile 19 Jan 2011 16:22:31 -0000 1.60 +++ Makefile 24 Jan 2011 23:40:48 -0000 @@ -6,7 +6,7 @@ ONLY_FOR_ARCHS = i386 amd64 sparc64 COMMENT = multi system emulator DISTNAME = qemu-0.13.0 -REVISION = 0 +REVISION = 1 CATEGORIES = emulators HOMEPAGE = http://www.qemu.org/ --- /dev/null Tue Jan 25 08:41:19 2011 +++ patches/patch-net_socket_c Tue Jan 25 05:57:22 2011 @@ -0,0 +1,23 @@ +$OpenBSD$ +--- net/socket.c.orig Sat Oct 16 05:56:09 2010 ++++ net/socket.c Tue Jan 25 05:57:04 2011 +@@ -154,6 +154,7 @@ static int net_socket_mcast_create(struct sockaddr_in + struct ip_mreq imr; + int fd; + int val, ret; ++ u_char val2; + if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) { + fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n", + inet_ntoa(mcastaddr->sin_addr), +@@ -193,9 +194,9 @@ static int net_socket_mcast_create(struct sockaddr_in + } + + /* Force mcast msgs to loopback (eg. several QEMUs in same host */ +- val = 1; ++ val2 = 1; + ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, +- (const char *)&val, sizeof(val)); ++ (const char *)&val2, sizeof(val2)); + if (ret < 0) { + perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); + goto fail;
