If you are using kernel 92.1.6 it's because apparently there is a bug. I haven't tried 92.1.10 to check if it has been solved. On 5.2 stock kernel on the other hand I have no problems.
Francesco
Policlinico San Marco
Italy
----- Original Message -----
From: "Dirk H. Schulz" <dirk.schulz@xxxxxxxxxxxxx>
To: "CentOS mailing list" <centos@xxxxxxxxxx>
Sent: Friday, 8 August, 2008 5:33:09 PM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna
Subject: Xen and bonding on Centos 5.2
Hi folks,
I am stuck with a weird phenomenon.
I have set up two servers as xen servers with bonded interfaces (mode 1).
The bond interface works fine on both servers as long as xen is not used.
When using xen's network-bridge script (with netdev=bond0), one server
works fine without problems, and the other starts upping and downing the
slave interfaces of the bond in a very fast manner (several runs per
second). Both configurations are identical, the only difference is:
- the working server has tg3 nic drivers
- the dysfunctional server has e100 nic drivers.
Does it really depend on the nic driver if bonding works? And why does it
not work in xen, but work fine without xen? What can I do to analyse the
problem?
I know I could ask this on the xen list, but I fear that this is a
redhat/centos specific phenomenon.
Any hint or help is appreciated.
Dirk
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