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Date:      Wed, 10 Nov 1999 09:25:23 -0800 (PST)
From:      Doug Ambrisko <ambrisko@whistle.com>
To:        billm@danger.ms (Bill Marquette)
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: No buffer space available errors
Message-ID:  <199911101725.JAA68371@whistle.com>
In-Reply-To: <Pine.BSF.4.10.9911072157590.10718-100000@nuke.danger.ms> from Bill Marquette at "Nov 7, 99 10:26:06 pm"

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Bill Marquette writes:
| For the last week and a half or so I've been trying to track this down
| assuming it was a configuration error on my part or a problem with my
| ISP's DHCP configuration.  After switching from a DEC 20141 chipset card
| to a 3com 3c905, I found I was still having problems although the error
| message had changed.  I'm now back to the DEC card cause I found more
| results in the mailing lists on the errors I was seeing.
| 
| At first it appeared to be dhclient having issues, but I've finally found
| occurances of other programs showing symptoms prior to dhclient log
| entries.  Also, until today I couldn't replicate the problem while sitting
| at the console, it would only show itself after I'd been away for a few
| minutes (I swear it has a mind of it's own) usually, when I was going to
| be away for more than 10-15 minutes.  Today I managed to force the machine
| to have problems by doing multiple simultaneous downloads and uploads, I
| was running about 100K/sec through the NIC.

On one out of 8 machines, I ran into this problem.  My network is running
at 100BaseTX.  I noticed that ifconfig showed OACTIVE flag set and I
was running in autosense mode.  So I setup the media to 100BaseTX and now
it works okay.

My guess is the autosense gets confused sometimes.

Doug A.


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