Re: [Xen-devel] [xen-unstable test] 13383: regressions - FAIL

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("Re: [Xen-devel] [xen-unstable test] 13383: regressions - 
FAIL"):
> http://www.chiark.greenend.org.uk/~xensrcts/logs/13383/test-amd64-i386-pair/dhcpleases-debian.nolease
>  contains:
>         lease 10.80.251.54 {
>           starts 3 2012/06/27 14:10:01;
>           ends 3 2012/06/27 14:40:01;
>           tstp 3 2012/06/27 14:40:01;
>           cltt 3 2012/06/27 14:10:01;
>           binding state free;
>           hardware ethernet 00:00:1a:1b:01:a1;
>           uid "\001\000\000\032\033\001\241";
>         }
> 
> Which has a mismatched mac address? dhcpleases-debian.new seems to have
> the same.

Note "binding state free".  Ie that's an old lease.  Later we see:
          lease 10.80.251.54 {
            starts 4 2012/06/28 15:21:52;
            ends 4 2012/06/28 15:51:52;
            cltt 4 2012/06/28 15:21:52;
            binding state active;
            next binding state free;
            hardware ethernet 5a:36:0e:47:00:09;
          }

The guest console log says:
    Listening on LPF/eth0/5a:36:0e:47:00:09
    Sending on   LPF/eth0/5a:36:0e:47:00:09
    Sending on   Socket/fallback
    DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
    DHCPOFFER from 10.80.248.4
    DHCPREQUEST on eth0 to 255.255.255.255 port 67
    DHCPACK from 10.80.248.4
    bound to 10.80.251.54 -- renewal in 854 seconds.
    done.

So that all does seem consistent.

But even so:

    2012-06-28 15:22:06 Z guest debian.guest.osstest 5a:36:0e:47:00:09 22 
link/ip/tcp: ping gave (256): PING 10.80.251.54 (10.80.251.54) 56(84) bytes of 
data. |  | --- 10.80.251.54 ping statistics --- | 5 packets transmitted, 0 
received, 100% packet loss, time XXXms |  |  (waiting) ...

The same happens at at least 15:22:34 and perhaps a few times in
between.

It would seem that either something broke in the guest or host between
the successful dhcp negotiation, or there was a transient network
problem of some kind.

Ian.

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