Subject: Re: 1.3 net errors - sn0:receive buffers exhausted
To: Colin Wood <cwood@ichips.intel.com>
From: Andrew Diller <dillera@dolphin.upenn.edu>
List: port-mac68k
Date: 01/26/1998 15:46:16
Date: Monday, January 26, 1998 12:37 PM
Subject: Re: 1.3 net errors - sn0:receive buffers exhausted


>Andrew Diller wrote:
>>
>>
>> Now I am getting some ethernet overflows that I never had with the SE/30
and
>> an asante card.
>>
>> sn0: receive buffers exhausted
>>
>> MacBSD is using the built-in ethernet on the Centris, of course.
>>

>
>Are you on a very busy ethernet?  That's usually the cause of these types
>of errors, I believe.  Anyway, I believe that these buffers are actually
>in hardware on the card, and if they are filling up, it basically should
>mean that NetBSD isn't servicing the card often enough (i.e. it is
>spending too much time at some higher interrupt level).  Are you doing a
>lot of hard disk activity?
>
>Allen would probably know more about this one, tho.
>


Yes and Yes. It is a fairly large collision-domain, since the school refuses
to get any ethernet switches.  There is also probally a lot of HD activity,
because the main purpose for the machine is a web site (apache & cgiwrap)
with lots of perl scripts.

If they are hardware, then I guess there isn't much I can do about it.

Still, the difference between an SE/30 w/ 32megs, and a Centris 650 w/ 32
megs -- same hardrive with 1.3a -- is amazing.

Its like night and day with these perlscripts!!!!

thanks,

Andy Diller