known bugs (was [CUWiN-Dev] State of the Network?)
David Young
dyoung at pobox.com
Mon Apr 18 02:05:11 CDT 2005
On Sun, Apr 17, 2005 at 06:54:28PM -0500, David Young wrote:
> On Sun, Apr 17, 2005 at 05:17:10PM -0500, Sascha Meinrath wrote:
> > Hi all,
> >
> > The good news is that I'm writing this from my living room! The bad news
> > is that I can't connect directly to the Internet: currently I ssh into
> > Nicole's node (169.254.17.141) then to Laura's (?) -- 169.254.99.16 -- and
> > then to Zach's (169.254.118.200) -- from Zach's I can ssh into my e-mail
> > account. It's great that the nodes are now communicating; but any ideas
> > for why the nodes aren't creating a seamless network?
>
> Bugs. This means that the *test*bed is working as planned. :-)
There are a few known problems:
* We're running Mar 9 software on the testbed. Since Mar 9,
some bugs have been fixed. I do not remember which ones.
* There is at least one bug in the Mar 9 SPF code. One SPF bug
triggers a diagnostic assertion and core dump---hslsd prefers
to commit seppuku than to live with the dishonor of a fubar'd
routing table. I believe I fixed that bug last night (I have
not checked in the fix). Of course, the Mar 9 software does
not contain that fix.
* There is something wrong with ETX so that it produces metrics
less than 256 (the nominal minimum). I am not certain that
this adversely affects the testbed operation, but it might.
I have a pretty good lead on the cause of this bug.
I know of a new bug on the trunk: on our indoor testbed, it looks like
ETX dumped core on two nodes as it tried to interpret a scrambled buffer.
I'm going to leave some hslsd running overnight to see if it happens
again.
Dave
--
David Young OJC Technologies
dyoung at ojctech.com Urbana, IL * (217) 278-3933
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