Mesh testing

Ricardo Carrano carrano at laptop.org
Mon May 5 12:15:02 EDT 2008


Bill,
That's great!
Would you take a look at  http://dev.laptop.org/ticket/6237 and check if
this is something that can be done within your time frame?

Cheers!
Ricardo Carrano

On Mon, May 5, 2008 at 12:40 PM, Bill Mccormick <billmcc at nortel.com> wrote:

> If nobody else is doing this, I'll volunteer.   It'll be a couple of
> days though, I'm just starting.
>
> Bill McCormick
> Open innovation lab
> Nortel
> ESN 393-6298
> External (613) 763-6298
>
>
>
> -----Original Message-----
> From: devel-bounces at lists.laptop.org
> [mailto:devel-bounces at lists.laptop.org] On Behalf Of Polychronis
> Ypodimatopoulos
> Sent: Monday, May 05, 2008 11:34 AM
> To: Kim Quirk
> Cc: OLPC Development
> Subject: Mesh testing
>
> I 've been doing experiments on a 50-node testbed (703, Q2D14, 22.p9,
> simple mesh) and getting all 50 of them to communicate consistently has
> been hard, even in the absence no sharing or heavy workloads involved.
>
> Out of the 50 nodes (over a period of time of 6 hours), 8 nodes
> "decided" to take msh0 down, half of which did not come up again
> (NetworkManager?).
>
> About 18 out of 50 nodes (not including the previous 8) for some reason
> stopped being reachable from the rest of the network, although their
> network interface did not seem to have been reset. Restarting the
> NetworkManager seems to fix the problem.
>
> Is anyone still maintaining the NetworkManager? It seems to me that the
> NetworkManager chooses to restart msh0 sometimes. Is this true? Does it
> go so far as to reload the firmware?
>
> Pol
>
>
> --
> Polychronis Ypodimatopoulos
> Graduate student
> Viral Communications
> MIT Media Lab
> Tel: +1 (617) 459-6058
> http://www.mit.edu/~ypod/ <http://www.mit.edu/%7Eypod/>
>
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