[Xen-users] Problems with domU networking

["Sami Louko" <proton@xxxxxxxxx>]

Moi!

I upgraded Xen-2.0.1 to Xen-2.0.5 (testing) and everything compiled cleanly.
I'm still able to boot dom0 and start domUs but networking doesn't work
anymore.
xen-br0 appears in dom0, but vif-interfaces now only when ifconfig -a is
used. Interface appears in domU and all seems to be fine, except no any
data doesn't move in any direction. I can't even ping between dom0 and domU.
So it creates an interface, but somehow it doesn't work properly.
What might be wrong? No firewalls enabled atm.
Here are some information.

dolphin:~# ifconfig |grep HWa
eth0      Link encap:Ethernet  HWaddr 00:50:DA:B0:D7:77
eth1      Link encap:Ethernet  HWaddr 00:0D:88:B5:8E:F4
xen-br0   Link encap:Ethernet  HWaddr 00:50:DA:B0:D7:77

dom0 interfaces works fine. Network is up and running. And eth0 is bind to
xen-br0.

dolphin:~# xm create tamagotchi
Using config file "/etc/xen/tamagotchi".
Started domain tamagotchi, console on port 9603

domU creation does fine. Virtual starts up and i can use it from console.

dolphin:~# tail /var/log/xend.log
[2005-04-23 10:22:25 xend] DEBUG (XendDomainInfo:1130) Creating vbd dom=3
uname=file:/swapfiles/tamagotchi.swp
[2005-04-23 10:22:25 xend] DEBUG (blkif:146) Connecting blkif
<BlkifBackendInterface 3 0>
[2005-04-23 10:22:25 xend] DEBUG (XendDomainInfo:1130) Creating vbd dom=3
uname=file:/images2/tamagotchi-home.img
[2005-04-23 10:22:25 xend] DEBUG (blkif:146) Connecting blkif
<BlkifBackendInterface 3 0>
[2005-04-23 10:22:25 xend] DEBUG (XendDomainInfo:1107) Creating vif dom=3
vif=0 mac=FE:FD:0A:00:01:01
[2005-04-23 10:22:25 xend] INFO (XendRoot:91) EVENT> xend.console.create
[11, 3, 9603]
[2005-04-23 10:22:25 xend] WARNING (XendDomainInfo:1038) Unknown config
field restart
[2005-04-23 10:22:25 xend] INFO (XendRoot:91) EVENT> xend.domain.create
['tamagotchi', '3']
[2005-04-23 10:22:25 xend] INFO (XendRoot:91) EVENT> xend.domain.unpause
['tamagotchi', '3']
[2005-04-23 10:22:25 xend] DEBUG (blkif:192) Connecting blkif to event
channel <BlkifBackendInterface 3 0> ports=16:3

Creation logs fine. I noticed a warning, deprecated option maybe?

dolphin:~# xm list
Name              Id  Mem(MB)  CPU  State  Time(s)  Console
Domain-0           0      187    0  r----    128.1
tamagotchi         3      192    1  -b---      0.5    9603

domU also shows up in the list.

tamagotchi ~ # ifconfig eth0|grep HWa
eth0      Link encap:Ethernet  HWaddr FE:FD:0A:00:01:01

domU network interface is present and MAC address is correct.
All other values are also fine, i just supressed them off.
I'm able to ping the domU address but not dom0.
dom0 cannot ping domU either.

dolphin:~# xm vif-list tamagotchi
(vif (idx 0) (vif 0) (mac fe:fd:0a:00:01:01) (bridge xen-br0) (evtchn 17
4) (index 0))

vif-list looks fine, that was exactly the same it was with previous
xen-version.

dolphin:~# ifconfig vif3.0
vif3.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 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:0 (0.0 b)  TX bytes:0 (0.0 b)

And vif-interface exists, it shows only up with ifconfig vif?.0 or
ifconfig -a,
but it is not displayed if i only type ifconfig. (i displayed earlier)

So here is an issue, i might need some help. Please. :-)

--
Sami Louko <proton@xxxxxxxxx>




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