https://bugzilla.novell.com/show_bug.cgi?id=649584
https://bugzilla.novell.com/show_bug.cgi?id=649584#c15
Erik Brakkee changed:
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CC| |erik@brakkee.org
--- Comment #15 from Erik Brakkee 2012-02-11 19:22:46 UTC ---
I encountered a similar issue today.
What I did was I moved a KVM virtual machine from a server to a laptop. The
virtual machine is running opensuse 11.3 as was the host server on which it was
running before. I use a bridged setup for the network interface.
My laptop is running opensuse 12.1. After moving the virtual machine on my
laptop, I immediately noticed that my TVIX M-6500 box could not successfully
mount the NFS shares anymore. Looking in the server logs of the virtual machine
however did not show anything significant.
When opening the NFS directory on the TVIX, the server logs show
Feb 11 20:11:25 shikra mountd[4032]: authenticated mount request from
192.168.2.4:636 for /data (/data)
This is similar output to what I get when mounting the same directory from a
linux box (opensuse 11.3 and opensuse 12.1). Because of this I was thinking
that perhaps the TVIX box was using UDP and the linux machines were using TCP
which could be the difference.
Then I tried replacing the Device model for the network card in the VM from
virtio to rtl8139, and after this it works.
Therefore, my conclusion is that it is somehow an interoperability issue with
the virtio driver in guest and host machines. Apparently this driver is not
fully downwards compatible.
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