+invirt-xen-config (0.0.34) unstable; urgency=low
+
+ * The kernel fails to issue a udev event when a paravirtualized guest
+ shuts down (see
+ http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1275). So, we
+ must design our configuration so that it does need any tearing
+ down. We do this by not creating a bridge for paravirtualized guests.
+
+ -- Quentin Smith <quentin@mit.edu> Sun, 02 Jan 2011 02:44:27 -0500
+
invirt-xen-config (0.0.33) unstable; urgency=low
* If we don't turn off offloading for the vif interface, the guest
. "$dir/vif-common.sh"
main_ip=$(dom0_ip)
+
dev=${dev:-${vif}}
+intfname=${dev}
-brname=dom${vif#vif}
+if [ ${dev} != ${vif} ]; then
+ # This is an HVM and it has two interfaces, so we'll set up a bridge.
+ brname=dom${vif#vif}
+ intfname=${brname}
+fi
case "$command" in
online)
- create_bridge ${brname}
- setup_bridge_port ${dev}
- add_to_bridge ${brname} ${dev}
- if [ "$dev" != "$vif" ]; then
+ if [ $brname ]; then
+ create_bridge ${brname}
+ setup_bridge_port ${dev}
setup_bridge_port ${vif}
+ add_to_bridge ${brname} ${dev}
add_to_bridge ${brname} ${vif}
fi
- ifconfig ${brname} ${main_ip} netmask 255.255.255.255 up
- echo 1 >/proc/sys/net/ipv4/conf/${brname}/proxy_arp
- echo 1 >/proc/sys/net/ipv4/conf/${brname}/rp_filter
+ ifconfig ${intfname} ${main_ip} netmask 255.255.255.255 up
+ echo 1 >/proc/sys/net/ipv4/conf/${intfname}/proxy_arp
+ echo 1 >/proc/sys/net/ipv4/conf/${intfname}/rp_filter
xenstore-write "$XENBUS_PATH/feature-gso-tcpv4" 0
ethtool -K ${vif} tx off
ipcmd='add'
cmdprefix=''
;;
offline)
- do_without_error brctl delif ${brname} ${vif}
- do_without_error brctl delif ${brname} ${dev}
- do_without_error ifconfig ${brname} down
+ if [ $brname ]; then
+ do_without_error brctl delif ${brname} ${vif}
+ do_without_error brctl delif ${brname} ${dev}
+ do_without_error ifconfig ${brname} down
+ fi
ipcmd='del'
cmdprefix='do_without_error'
;;
# If we've been given a list of IP addresses, then add routes from dom0 to
# the guest using those addresses.
for addr in ${ip} ; do
- ${cmdprefix} ip route ${ipcmd} ${addr} dev ${brname} src ${main_ip}
+ ${cmdprefix} ip route ${ipcmd} ${addr} dev ${intfname} src ${main_ip}
if [ "$ipcmd" == "del" ]; then
do_without_error ip route del ${addr} dev ${dev} src ${main_ip}
fi
fi
fi
-if [ "$command" == "offline" ]
+if [[ "$command" == "offline" && -n "$brname" ]]
then
do_without_error brctl delbr ${brname}
fi