Hi Jeff,

Well I've been following the thread here, and I have a few
suggestions/ideas/things to try.

1. Can you give a hardware list for this machine? Does it differ from the
one you say is working with RH6.0?

2. Can you provide the output of an strace on the failing ping?

3. When you changed out the nic card was it one that used a different
driver? (may be a good thing to try)

4. Are there other networking problems besides ping? Are these problems only
when trying to reach outside of the LAN? (ie. everything works when the
protocols can use the hosts file for the internal LAN)

5. If you do a ping -n host does it work without seg faulting?

6. Try downloading a new copy of glibc and installing it. Just to make sure
there is no corruption in the libs you have. The strace may also point out a
problem with that. (you don't need to an updated glibc, just one from a
different source then the one you installed from)

7. Are there any firewalls this machine has to go through that may be
causing packet corruption? Check the rules if it's ipchains. Also check to
see if you are properly handling packet fragmentation.

8. Have you tried any other OS/version of RH on the hardware to try to
eliminate the hardware issue?

9. To answer one of your questions and to offer another suggestion, the rpm
that contains ping, traceroute etc., is iputils. (rpm -qf /bin/ping to find
this yourself) You may also want to try installing a new one of that rpm
like I suggested above for glibc.

Ping shouldn't die with a seg fault, regardless of what is going on. (dns
lookup or not, good packets or not) So there is something else wrong. The
last time I saw something similar was on RH 6.0 for Alpha, which was due to
a problem with the glibc libraries(for alpha not i386). So you have probably
got a hardware problem, some kind of file corruption or a very obscure bug
(or something else I can't think of, hey I've been wrong plenty of times ;) )

I would bet on a hardware problem (probably not what you want to hear) but
there is still much to check before condemning anything. I look forward to
your feedback. Good luck.

Have fun,
-- 
_________________________________________________________________
 Brian Ashe                     CTO
 [EMAIL PROTECTED]              Dee-Web Software Services, LLC.
 http://www.dee-web.com/
-----------------------------------------------------------------
Those who desire to give up Freedom in order to gain Security,
will not have, nor do they deserve, either one.

Wednesday, July 19, 2000, 12:30:55 PM, you wrote:

JG> I still haven't figured out why my networking isn't working on my
JG> new 6.2 mail server. Does anyone know if a busted reverse DNS could
JG> cause ping to seg fault? Also does anyone know exactly what packages
JG> control networking? I wonder if maybe I should try a different
JG> (older version). I tried upgrading the kernel but that didn't help.
JG> Anyone?

JG> Thanks,
JG> Jeff



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