[Xen-users] Starting xend breaks networking in Dom0

[Michael LeMay <lemaymd@xxxxxxxxxxx>]

Hello,

I have reviewed all the FAQs and manuals I could find, because this
seems like a misconfiguration problem, but I haven't found anything
helpful.  Hopefully somebody else has encountered this and can set me
straight...

Vital stats: Xen 3.0.2, Gentoo Linux, Linux version 2.6.16-xen0 (gcc
version 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8)) #1 Mon Apr 24
13:14:49 CDT 2006

When I initially boot into Dom0, networking works just fine.  Then, when
I attempt to start the daemon, it takes about 30 seconds for the daemon
to start, and networking within Dom0 no longer operates.  Here is the
output from ifconfig (after starting xend):

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:33 errors:0 dropped:0 overruns:0 frame:0
         TX packets:33 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:1908 (1.8 Kb)  TX bytes:1908 (1.8 Kb)

peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
         RX packets:78960 errors:0 dropped:0 overruns:0 frame:0
         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:7430482 (7.0 Mb)  TX bytes:0 (0.0 b)
         Interrupt:20

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:8 errors:0 dropped:0 overruns:0 frame:0
         TX packets:50221 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:4720 (4.6 Kb)  TX bytes:3195426 (3.0 Mb)

vif1.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:8 errors:0 dropped:0 overruns:0 frame:0
         TX packets:386 errors:0 dropped:46671 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:4720 (4.6 Kb)  TX bytes:25206 (24.6 Kb)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:73428 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:5860565 (5.5 Mb)  TX bytes:0 (0.0 b)

As you can see, eth0 is gone, and I can't restart it.

Here are the relevant lines from my Xen config:

(network-script network-bridge)
(vif-script vif-bridge)

Any ideas?

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