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Re: [Xen-users] network start loses the network

To: Mike Wray <mike.wray@xxxxxx>
Subject: Re: [Xen-users] network start loses the network
From: David F Barrera <dfbp@xxxxxxxxxx>
Date: Fri, 27 May 2005 09:56:21 -0500
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
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On Thu, 2005-05-26 at 12:18 +0100, Mike Wray wrote:
> Since updating from unstable yesterday I'm losing the network
> when xend starts.

I have observed the same thing, Mike. In fact, I just saw with in the
latest xen-unstable-src.tgz file, May 26 20:08. The problem is I cannot
recreate it consistently; sometimes it just seems to work.


>  The culprit appears to be the 'network' script.
> Details below. I just noticed that if I run 'network start' by hand
> I get this error:
> 
> *network start bridge=xen-br0 netdev=eth0 antispoof=yes
> iptables v1.2.7a: can't initialize iptables table `filter': iptables who? (do 
> you need to insmod?)
> Perhaps iptables or your kernel needs to be upgraded.
> 
> What version of iptables is needed now?
> 
> I also noticed that in xend-config.sxp I have
> (vif-antispoof     no)
> 
> But the message above shows 'antispoof=yes'. Something got broke.
> 
> Before it runs I have this:
> 
> [mjw@dhcp-28-24 scripts]$  route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 15.144.24.0     0.0.0.0         255.255.248.0   U     0      0        0 eth0
> 169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth0
> 127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
> 0.0.0.0         15.144.24.1     0.0.0.0         UG    0      0        0 eth0
> 
> eth0      Link encap:Ethernet  HWaddr 00:60:B0:FC:F3:6D
>            inet addr:15.144.28.24  Bcast:15.144.31.255  Mask:255.255.255.255
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:4534 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:213 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:1000
>            RX bytes:443795 (433.3 Kb)  TX bytes:37427 (36.5 Kb)
>            Interrupt:18 Base address:0x7ce0
> 
> After it runs I have the following and no network:
> 
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 15.144.24.0     0.0.0.0         255.255.248.0   U     0      0        0 veth0
> 169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 veth0
> 127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
> 0.0.0.0         15.144.24.1     0.0.0.0         UG    0      0        0 veth0
> 
> eth0      Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>            UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
>            RX packets:1434 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:178 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:1000
>            RX bytes:149013 (145.5 Kb)  TX bytes:32691 (31.9 Kb)
>            Interrupt:18 Base address:0x7ce0
> 
> veth0     Link encap:Ethernet  HWaddr 00:60:B0:FC:F3:6D
>            inet addr:15.144.28.24  Bcast:15.144.31.255  Mask:255.255.255.255
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:197 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:0
>            RX bytes:18011 (17.5 Kb)  TX bytes:1428 (1.3 Kb)
> 
> vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:14 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:197 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:0
>            RX bytes:1428 (1.3 Kb)  TX bytes:18011 (17.5 Kb)
> 
> xen-br0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:193 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:14775 (14.4 Kb)  TX bytes:0 (0.0 b)
> 
> 
> Mike
> 
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
> 
-- 
Regards,

David F Barrera
Linux Technology Center
Systems and Technology Group, IBM

"The wisest men follow their own direction. "
                                                        Euripides


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