[Bug 673705] Re: running guests freeze when a guest is powered down
Mathias Gug
mathiaz at ubuntu.com
Thu Nov 11 15:10:37 GMT 2010
Network manager is running.
$ sudo iptables -nL
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:53
ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:53
ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:67
ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:67
ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:53
ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:53
ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:67
ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:67
Chain FORWARD (policy ACCEPT)
target prot opt source destination
ACCEPT all -- 0.0.0.0/0 192.168.233.0/24 state RELATED,ESTABLISHED
ACCEPT all -- 192.168.233.0/24 0.0.0.0/0
ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable
REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable
ACCEPT all -- 0.0.0.0/0 192.168.122.0/24 state RELATED,ESTABLISHED
ACCEPT all -- 192.168.122.0/24 0.0.0.0/0
ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable
REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
$ sudo iptables -nL -t nat
Chain PREROUTING (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
MASQUERADE tcp -- 192.168.233.0/24 !192.168.233.0/24 masq ports: 1024-65535
MASQUERADE udp -- 192.168.233.0/24 !192.168.233.0/24 masq ports: 1024-65535
MASQUERADE all -- 192.168.233.0/24 !192.168.233.0/24
MASQUERADE tcp -- 192.168.122.0/24 !192.168.122.0/24 masq ports: 1024-65535
MASQUERADE udp -- 192.168.122.0/24 !192.168.122.0/24 masq ports: 1024-65535
MASQUERADE all -- 192.168.122.0/24 !192.168.122.0/24
$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
Two guests: 179 was shutdown, 110 froze.
Before:
$ cat /proc/net/arp
IP address HW type Flags HW address Mask Device
192.168.242.1 0x1 0x2 00:12:17:1a:50:47 * eth0
192.168.122.110 0x1 0x2 52:54:00:a2:4e:07 * virbr0
192.168.122.179 0x1 0x2 52:54:00:72:58:e3 * virbr0
While the freeze:
$ cat /proc/net/arp
IP address HW type Flags HW address Mask Device
192.168.242.1 0x1 0x2 00:12:17:1a:50:47 * eth0
192.168.122.110 0x1 0x2 52:54:00:a2:4e:07 * virbr0
192.168.122.179 0x1 0x2 52:54:00:72:58:e3 * virbr0
Just after the freeze stopped:
$ cat /proc/net/arp
IP address HW type Flags HW address Mask Device
192.168.242.1 0x1 0x2 00:12:17:1a:50:47 * eth0
192.168.122.110 0x1 0x2 52:54:00:a2:4e:07 * virbr0
192.168.122.179 0x1 0x2 52:54:00:72:58:e3 * virbr0
Some time after the freeze stop (guess: ~30 seconds):
$ cat /proc/net/arp
IP address HW type Flags HW address Mask Device
192.168.242.1 0x1 0x2 00:12:17:1a:50:47 * eth0
192.168.122.110 0x1 0x2 52:54:00:a2:4e:07 * virbr0
--
running guests freeze when a guest is powered down
https://bugs.launchpad.net/bugs/673705
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