[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] could not get IP address for the interface created by netfront driver on HVM guest
On Fri, Jun 24, 2011 at 7:31 PM, veerasena reddy <veeruyours@xxxxxxxxx> wrote: > And when I explicitly ran dhclient on domU, i observed "5 bad udp checksums > in 5 packets" which was causing drop of packets and the DHCP reply observed > in tcpdump was not reaching DHCP client. > when i disabled Tx checksum on the dom0 vif corresponding to the netfront on > domU, i could successfully get IP address assigned for my interface on > Guest. > # ethtool -K vif1.0 tx off <<<---- executed on dom0 > > Any idea why the "bad checksum" happening with PV driver? (while everything > was fine with pure HVM). checksum is kinda on-and-off thing with Xen. At this point I'd suggest trying later kernels for domU. In particular, Ubuntu's 2.6.38-server kernel work fine on my setup (including DHCP). You might want to start with latest stable kernel (which shouldn't require any additional patch). -- Fajar _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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