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Re: [Xen-users] GPLPV and dhcp should it work?

To: James Harper <james.harper@xxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] GPLPV and dhcp should it work?
From: Silviu Paragina <silviu@xxxxxxxxxxx>
Date: Tue, 15 Sep 2009 18:06:23 +0300
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James Harper wrote:
My problem:
I have
- a xen ubuntu 9.04 with xen from the repository (3.3.0 with some
patches) and the debian kernel
- windows 2008 server guest with the attached config
- dhcp3 server with the attached config

If I leave everything as is (without gplpv) everything works great.
If I install gplpv and remove type=ioemu from the config the machine
not get the ip, but if I manually set the ip address it works fine.
On the dhcp server side I get "dhcpd: 5 bad udp checksums in 5
I have tried Checksum offloading from properties on the xen network
device with no luck. I shall try again anyhow (I might have missed
something, because I had other issues with xen at the time).

So even with checksum offload off you get checksum errors?

Can you try the very latest -dontuse version?


Xen-users mailing list
Ok my stupidity amazes me :| . The checksum offloading I touched last time was actually "Check checksum on RX packets" ... I have disabled checksum offloading and everything works great... (with dontuse and 86 too).

About that second question (the cdrom doesn't show up in my computer) is it my fault or just not yet implemented? Now considering the dontuse version is actually for testing should I use it? (it seems stable :-?? ) Or I'm better off with the 86 one. (I intend to do this on a production system now that it works)


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