[libvirt] --checksum-fill error on Ubuntu 10.04

[Laine Stump]

  On 10/25/2010 07:43 PM, Justin Clift wrote:
> Hi us,
>
> Just noticed an error message when manually starting libvirtd (built
> from git) on Ubuntu 10.04, while checking something else:
>
>    iptables v1.4.4: unknown option `--checksum-fill'
>
> It shows up in the initial default network setup:

Yes, this is a known issue (I won't say "problem", because it indicates 
no ill effects until the OS in question supports vhost-net).

This message is due to Ubuntu not having a recent enough version of 
iptables, and is informational only. Unless you are using vhost-net 
networking (which I'm guessing Ubuntu also does not yet have) under 
specific conditions, the lack of --checksum-fill will not have any ill 
effects.

For more detailed info, see the similar bug report for Fedora:

https://bugzilla.redhat.com/show_bug.cgi?id=642355

and on RHEL:

https://bugzilla.redhat.com/show_bug.cgi?id=605555
https://bugzilla.redhat.com/show_bug.cgi?id=612588
https://bugzilla.redhat.com/show_bug.cgi?id=612587


>    10:40:19.807: error : virRunWithHook:855 : internal error
> '/sbin/iptables --table mangle --insert POSTROUTING --out-interface
> virbr0 --protocol udp --destination-port 68 --jump CHECKSUM
> --checksum-fill' exited with non-zero status 2 and signal 0: iptables
> v1.4.4: unknown option `--checksum-fill'
> Try `iptables -h' or 'iptables --help' for more information.
>
> Just a FYI, in case someone wants to look into it.
>
> Regards and best wishes,
>
> Justin Clift
>
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