Re: new ip65 release

[Jonno Downes <jonnosan@gmail.com>]

On Mar 22, 1:56 pm, schmidtd <schmi...@my-deja.com> wrote:
>
> Thanks.  I'm wrestling (and losing, so far) with Ruby on Windows. :-(

If you want, send me an email with the errors you're getting and I'll
see if I can assist.

>
> > BTW, why do you think there are problems with the checksums?
>
> I had random hangs during big data transfers.  I traced the packets
> with WireShark and found that some packets had incorrect checksums.
> Per worked out the degenerate case with one-byte payloads; that bug
> was fixed.  But there remain cases where big packets fail, too.  I'm
> not smart enough to debug his routine myself, and Per's interest seems
> to have waned.  I ended up transplanting the checksum routine from
> Contiki, and the bad checksums went away.

Is that the fix per this line in the change log?

2006-09-20	Per Olofsson 	Fixed checksum calculation for odd packet
sizes

In any case, I've been using tftp to load and run 20k+ programs
(although each tftp block is only 512 bytes of data + the
ethernet,ip,udp+tftp headers, so not sure if that qualifies as 'big'
or not).

Regards

Jonno