RE: [Xen-devel] new /etc/xen/network script

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> I modified the script based on what you suggested. Now after 
> starting xend, there is nothing changed in the output of ifconfig:

After adding 'which brctl' in the script it should have generated some
output in xend.log.

Please post xend.log

Ian
 
> x235:~ # ifconfig
> eth0 Link encap:Ethernet HWaddr 00:09:6B:A5:B5:EE inet 
> addr:9.3.192.65 Bcast:9.3.192.255 Mask:255.255.255.0 UP 
> BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5356 
> errors:0 dropped:0 overruns:0 frame:0 TX packets:374 errors:0 
> dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 
> RX bytes:732337 (715.1 Kb) TX bytes:48514 (47.3 Kb)
> Interrupt:29
> 
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> UP LOOPBACK RUNNING MTU:16436 Metric:1
> RX packets:36 errors:0 dropped:0 overruns:0 frame:0 TX 
> packets:36 errors:0 dropped:0 overruns:0 carrier:0 
> collisions:0 txqueuelen:0 RX bytes:2880 (2.8 Kb) TX 
> bytes:2880 (2.8 Kb)
> 
> Also I can not even do xm list:
> 
> x235:~ # ps -ef|grep xend
> root 22613 1 5 14:35 ? 00:00:00 python /usr/sbin/xend start 
> root 22614 22613 0 14:35 pts/0 00:00:00 python /usr/sbin/xend 
> start root 22615 22614 0 14:35 pts/0 00:00:00 python 
> /usr/sbin/xend start root 22616 22614 0 14:35 pts/0 00:00:00 
> python /usr/sbin/xend start root 22617 22614 0 14:35 pts/0 
> 00:00:00 python /usr/sbin/xend start root 22618 22614 0 14:35 
> pts/0 00:00:00 python /usr/sbin/xend start root 23070 10759 0 
> 14:35 pts/0 00:00:00 grep xend x235:~ # xm list (111, 
> 'Connection refused')
> Error: Error connecting to xend, is xend running?
> 
> Switching back to the original network script, the network 
> works again.
> 
> Not sure if I catched all the changes that you suggested. 
> Here is the diff between the new network file you sent and my 
> modified one:
> 
> 123c123,124
> < brctl addbr ${bridge}
> ---
> > #brctl addbr ${bridge}
> > create_bridge ${bridge}
> 180c181,182
> < if ! ifdown ${netdev} ] ; then
> ---
> > which ifdown
> > if ! ifdown ${netdev} ; then
> 195,196c197,200
> < add_to_bridge ${bridge} vif0.0
> < add_to_bridge ${bridge} p${netdev}
> ---
> > #add_to_bridge ${bridge} vif0.0
> > #add_to_bridge ${bridge} p${netdev}
> > brctl addif ${bridge} vif0.0
> > brctl addif ${bridge} p${netdev}
> 
> Li
> 
> 
> Inactive hide details for "Ian Pratt" 
> <m+Ian.Pratt@xxxxxxxxxxxx>"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
> 
> 
> 
> 
>                               "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> 
> 
>                               08/11/2005 05:17 PM
> 
> 
> 
> To
> 
> Li Ge/Austin/IBM@IBMUS        
> 
> 
> cc
> 
> <ian.pratt@xxxxxxxxxxxx>, "xen-devel" 
> <xen-devel@xxxxxxxxxxxxxxxxxxx>, 
> <xen-devel-bounces@xxxxxxxxxxxxxxxxxxx>, <ian.pratt@xxxxxxxxxxxx>     
> 
> 
> Subject
> 
> RE: [Xen-devel] new /etc/xen/network script   
>               
> 
> > Ok, I modifed the script. Here is the new result:
> > 
> > After I started xend, the network connection of dom0 lost. 
> 
> OK, this is interesting. It's the same symptoms as the old script.
> 
> It looks like peth0 is receiving packets. Please confirm this with:
> tcpdump -i peth0
> 
> What's odd is that there's no xen-br0 showing up in ifconfig. 
> I'd expect to see something like:
> 
> xen-br0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:949 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:0 
>          RX bytes:54097 (52.8 Kb)  TX bytes:0 (0.0 b)
> 
> Can you post the output of 'brctl show'. You should see:
> 
> [root@commando-0 root]# brctl show
> bridge name     bridge id               STP enabled     interfaces
> xen-br0         8000.feffffffffff       no              vif0.0
>                                                        peth0
> 
> Also, please can you try replacing the following lines:
> 
> -        add_to_bridge ${bridge} vif0.0
> -        add_to_bridge ${bridge} p${netdev}
> +        brctl addif ${bridge} vif0.0
> +        brctl addif ${bridge} p${netdev}
> 
> and earlier:
> 
> + create_bridge ${bridge}
> - brctl addbr ${bridge}
> 
> 
> 
> Ian
> 
> 
> 

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