Salut and Suspend/Resume issues

Ricardo Carrano carrano at
Tue Feb 19 09:53:33 EST 2008


A mesh will always rely to some degree in multicast/broadcast traffic. This
is not a bug.

Avahi entries will expire after some time. Suspend will prevent it to update
its cache.

On Feb 19, 2008 11:13 AM, Chris Ball <cjb at> wrote:

> Hi,
>   > It does feel like we should turn off suspend for some of our
>   > testing.  I've experienced similar problems.
>   > Chris, do you recommend removing ohm? Or is there something else we
>   > should try?
> I recommend fixing the bug.  :)  We know that we intend to have the CPU
> turned off most of the time on our laptops on the mesh -- why is the
> presence service incompatible with this?  Should we be setting the
> wireless module to wake on multicast, so that we can respond to whatever
> traffic the presence service is using to see who's online?  Should it be
> using unicast traffic instead?  What is it in Avahi's code path that
> causes its peer list to be emptied on resume?
> If we have to disable OHM to test something in particular, that's okay,
> but we won't be testing what we plan on shipping if we do so.
> Thanks,
> - Chris.
> --
> Chris Ball   <cjb at>
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