*BSD News Article 67131


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From: raju@rssd.hk.olivetti.com (Raju M. Daryanani)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: ed0: device timeout (help)
Date: 27 Apr 1996 03:32:02 GMT
Organization: Olivetti (HK) Ltd.
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References: <4l695g$sup@river.biddeford.com> <4loh0p$7n8@verdi.nethelp.no>
Reply-To: raju@rssd.hk.olivetti.com
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Steinar Haug (sthaug@nethelp.no) wrote:
: [Jim Deitch]

: |   >I have had _many_ device timeouts from _many_ different network cards.
: |   >The only thing these network cards (a selection of Intel, SMC and NE2000
: |   >clones) had in common was that they were at least 18 months old.  Some
: |   >were close to 5 years old.  FreeBSD would give me a timeout error
: |   >everytime, but Linux would work fine _with all of them_.  At first I
: |   >thought it was something to due with the fact that I'd put these old,
: |   >slow cards in a hybrid ISA/PCI-bussed computer and that it was actually
: |   >a bus problem.  Well, Linux proved that wrong.

I installed an Intel EtherExpress 10 in an Olivetti ISA/PCI machine and
had the same problems with FreeBSD 2.1.  Finally I went into the BIOS setup 
and disabled the PCI/ISA buffer cache (or something like that).  Since then 
it seems to be much better.  3 timeouts in the last 3 days of operation with 
the following packet rate:

Name  Mtu   Network     Address            Ipkts Ierrs    Opkts Oerrs  Coll
ix0   1500  <Link>00.aa.00.53.14.4e      1094735     0   566359     3  2238

Before I got timeouts every time I tried to even ftp a file bigger than 50K.
Now it's probably doing close to 100MB a day of traffic in & out.
A 3Com 3C509 in the same machine hasn't given me any timeouts, but the
docs say that driver is supposed to be buggy.

Raju
--
Raju M. Daryanani
Technical Manager           | Email: raju@rssd.hk.olivetti.com
Software & Network Services |        raju@hk.super.net, raju@air.org
Service Business Unit       | Tel: +852 2979 2450 / Fax: +852 2802 6591
Olivetti (HK) Ltd.          | [Finger for PGP key] [MIME understood]