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Path: utzoo!mnetor!uunet!husc6!cmcl2!brl-adm!adm!cpw%sneezy@lanl.gov
From: cpw%sneezy@lanl.gov (C. Philip Wood)
Newsgroups: comp.unix.wizards
Subject: DEC DEUNA interface
Message-ID: <8821@brl-adm.ARPA>
Date: Mon, 17-Aug-87 13:37:27 EDT
Article-I.D.: brl-adm.8821
Posted: Mon Aug 17 13:37:27 1987
Date-Received: Tue, 18-Aug-87 04:58:33 EDT
Sender: news@brl-adm.ARPA
Lines: 18

On August 5, our milnet host/gateway which is configured like:

Name  Mtu   Ipkts   Ierrs Opkts   Oerrs Collis
imp0  1006  522915  0     255326  0     4     
il0   1500  92210   0     98523   0     17    
de0   1500  768926  0     583036  0     464   
hsd0  25960 40696   0     37261   0     2     
hsp0  1006  563601  0     299209  0     0     
lo0   1536  0       0     0       0     0 

was doing fine except for the 'de0' which when asked to send a packet
would return the ENOBUFS error.  The ifqueue for this device was full.
It stayed in this state, while the other devices continued to function.
We had to reboot the system to continue doing business.  Its as if
there was no mechanism to wakeup and attempt to drain the queue once it
filled up.  Any ideas on why this happened, and what to do about it?

-Phil Wood (cpw@lanl.gov)