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From: john@chook.ua.oz.au (John Warburton)
Newsgroups: comp.sys.encore
Subject: UMAX 4.3 - waiting processes ??
Keywords: UMAX 4.3, problem, random waits
Message-ID: <1201@sirius.ucs.adelaide.edu.au>
Date: 26 Jul 90 02:22:20 GMT
Sender: news@ucs.adelaide.edu.au
Reply-To: john@chook.ua.oz.au (John Warburton)
Organization: Comp Sci, Uni of Adelaide, Australia
Lines: 30

Hello encore users,
	
	well , I have just had a wonderful experience installing UMAX 4.3, and
still here to tell the tale :-)

	As soon as it was up, I noticed that every now and again, commands
would take longer than normal to execute. This was very random, since the 
next time I typed the command, it would work straight away.

	Now that the machine is up in multi-user mode, the problem has reared 
its head again. Commands are just randomly put on hold for a few seconds and
are then executed. We can sometimes get a glimpse of the process when it is 
waiting, using 'ps', with a STAT of S - a semaphore wait.

	It has become a problem since it affects all processes, even nfs ones. 
If these hang for any amount of time, the client machine that has directories
on our multimax nfs mounted, will give us the message :
		nfs server medusa not responding
which consequently slows down the client machine. So, now we have two machines
that aren't running properly.

	Has anyone seen this problem, and is there a fix for it??

Thanks for any help

JOhn
John Warburton                          Phone   : +61 8 228 5583
Department of Computer Science          Telex   : UNIVAD AA89141
University of Adelaide                  Fax     : +61 8 223 1206
GPO Box 498 Adelaide SA 5001            ACSnet  : john@cs.ua.oz