*BSD News Article 57880


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Newsgroups: comp.unix.bsd.freebsd.misc
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From: nsayer@quack.kfu.com (Nick Sayer)
Subject: 3C589 (zp0) fails under heavy load?
Message-ID: <nbRrG94@quack.kfu.com>
Sender: news@quack.kfu.com (0000-News(0000))
Organization: The Duck Pond public unix, +1 408 249 9630, log in as guest.
Date: Thu, 21 Dec 1995 09:10:24 UTC
Lines: 26

I have a laptop that is right now doing a heavy NFS operation
(a dump of a filesystem into an NFS mounted file). The Ethernet
interface in question is a 3c589 running with the coax MAU.
The symptom is that the interface will lock up. ping will
report that all the buffer space is filled. ifconfig -a
shows everything as usual, except that the OACTIVE flag shows
up. I must ifconfig the interface down and up to get it to
work again. I have gotten used over the last few minutes to typing
in a remote xterm (like this message), and doing an
'ifconfig zp0 down ; ifconfig zp0 up' in another window when the
xterm locks up. dmesg reports nothing out of the ordinary.
netstat -i shows this:

zp0   1500  <Link>00.20.af.c2.9a.8e        44455     0   123213   475 0
zp0   1500  204.147.226 icarus             44455     0   123213   475 0

which does not seem out of the ordinary (there are always a few oerrs,
but nothing to explain them so far as I can tell).

Has anyone else seen this sort of behavior?

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