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[Xen-users] Xen peth0 dropping

  • To: <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "John Cianfarani" <jcianfarani@xxxxxxxxxx>
  • Date: Sun, 12 Mar 2006 19:03:56 -0500
  • Delivery-date: Mon, 13 Mar 2006 00:07:26 +0000
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  • Thread-topic: Xen peth0 dropping

I’ve got a Dell Poweredge 850 setup to do some testing with xen and I notice peth0 just seems to die quite frequently.

I don’t really have to be doing anything for it to happen, no domU’s running no real traffic other than ssh connections.

After this happens bringing eth0/xenbr0  down and up doesn’t help only ifconfig peth0 down and then up seems to restore connectivity.


If I do a tcpdump –i peth0 while it’s down I see no traffic at all.


I setup tcpdump –i peth0 while it was working and eventually it stops with the error:


tcpdump: pcap_loop: recvfrom: Network is down


and in /var/log/messages I find


Mar 12 17:51:09 nlnsrv1 kernel: xenbr0: port 2(peth0) entering disabled state



Does anyone have any suggestions as to what this could be?

I’m testing with Xen3.0.1 on CentOS 4.2.




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