*BSD News Article 18168


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Newsgroups: comp.os.386bsd.bugs
Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!haven.umd.edu!uunet!pipex!uknet!mcsun!sun4nl!utciva.civ.utwente.nl!infnews!seine.cs.utwente.nl!sijben
From: sijben@seine.cs.utwente.nl (Paul Sijben)
Subject: Re: Those NetBSD hard-drive hangs...
Message-ID: <1993Jul9.090546.23934@cs.utwente.nl>
Sender: usenet@cs.utwente.nl
Nntp-Posting-Host: seine.cs.utwente.nl
Organization: University of Twente, Dept. of Computer Science
References:  <9319017.15979@mulga.cs.mu.OZ.AU>
Date: Fri, 9 Jul 1993 09:05:46 GMT
Lines: 37

In article <9319017.15979@mulga.cs.mu.OZ.AU>, summer@ee.mu.OZ.AU (Mark Summerfield) writes:
|> I, too, had problems with NetBSD 0.8 hanging with the hard-drive light on.
|> On advice I spotted in the .bugs group earlier (which I recall being
|> "authoritative", although I can't remember who it was) I removed the
|> /dev/drum device driver, and replaced it with a plain file (i.e. "touch
|> /dev/drum").  I haven't had the problem since (and the system has had a few
|> workouts compiling various things, including a couple of kernels).
|> 
it did not work for me. It went ok for a while but yesterday I had this hang-up
again 

|> So, basically I'm happy with this as a workaround, but I'm curious to know
|> *why* it works, and what other effects it may have.  I don't really
|> understand the details of the way paging works, so I don't know what
|> /dev/drum is usually used for.  I have the general impression that NetBSD
|> is more "chatty" than 386bsd was (i.e. there seems to be more disk activity
|> when "nothing" is happening), and it seems a little slower on some filing
|> system accesses, but I don't know if there is any relationship between any
|> of these things.
|> 
|> Mark.
|>           --------------------------------------------------------
|>               Mark Summerfield,  Photonics Research Laboratory
|> Department of Electrical and Electronic Engineering, University of Melbourne  
|>                 ACSnet[AARN/Internet]: summer@ee.mu.oz[.au] 
|>           --------------------------------------------------------

-- 
_______________
Paul Sijben                         internet     : sijben@cs.utwente.nl 
Twente University computer science department, pegasus project group
telephone (at working hours) +31-53-893795
 
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