Date: Fri, 19 Jan 2001 21:48:27 -0500 From: Mike Tancsa <mike@sentex.net> To: Joseph Thomas <jpt@networkcs.com> Cc: freebsd-atm@freebsd.org Subject: Re: HARP (lockups) with hea Message-ID: <4.2.2.20010119214107.019dac30@marble.sentex.net> In-Reply-To: <200101191712.LAA08022@us.networkcs.com> References: <4.2.2.20010118205333.01e8dcd8@marble.sentex.net>
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At 11:12 AM 1/19/2001 -0600, Joseph Thomas wrote:
>Couple of things:
First off, thanks very much for the great background and suggestions. It is
very much appreciated!
[snip]
> Yes, HARP does not attempt to do anything with determinging DMA
Playing around a little more with it, it seems the problem is only when
sending a lot of data. I installed LINUX on the other box and did the same
tests with it against the other FreeBSD box and no lockups on the LINUX
box. Only the FreeBSD box when sending. I would have thought the lockup
would be in either direction. Strange.
> - use Chuck's code;
I am going to give that a try for sure. The other strange thing I ran
into, is that I cant make the en driver talk to the LINUX box. With HARP
its no problem. Anyone out there using the en driver to speak to LINUX ATM
0.78 ?
The box's purpose is pretty simple: to peer with my upstream and run gated
for now, zebra in perhaps a month. If C.C's en driver works, I will run
with it see what happens. With FreeBSD to FreeBSD, I tried a range of
network stress tests and didnt see a single problem, and got great
pps. The current 4700 is down to very little RAM remaining and will have
to go sooner than later :-(
---Mike
--------------------------------------------------------------------
Mike Tancsa, tel +1 519 651 3400
Network Administration, mike@sentex.net
Sentex Communications www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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