*BSD News Article 8603


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Path: sserve!manuel.anu.edu.au!sorokin!jason
From: jason@sorokin.anu.edu.au (Jason Andrade)
Newsgroups: comp.unix.bsd
Subject: Re: Occasional system hangs
Date: 8 Dec 92 02:31:04 GMT
Organization: Australian National University
Lines: 42
Message-ID: <jason.723781864@sorokin>
References: <1992Dec2.134644.12405@cli.di.unipi.it> <1992Dec2.140837.12619@cli.di.unipi.it>
NNTP-Posting-Host: 150.203.76.12

luigi@iet.unipi.it writes:


>I'm running 386bsd, with most of patches installed, on a 486-33, *meg
>RAM, IDE drive, WD8013 clone. The system works more or less fine, except
>that I'm experiencing hangs every now and then (the current record for
>uptime is 3 days, but on the average it's hard to have the system up for
>more than 2 days). Symptoms:

>hard to tell, because when it hangs I cannot telnet into the system or
>even use the console. No messages appear on the console either.
>CTRL-ALT-DEL does not work either.  The few times I happened to be
>logged in (via telnet) at crash time, I could type in a command name
>(e.g. uptime...) and see the echo, then CR and that's it: no output, no
>more echo, no more telnet, system hangs without any message on the
>console. It might be that the attempt to execute my command would crash
>the system. But other times the system crashes with only one idle user
>logged via telnet (plus the daemons, of course).

>	Any suggestions ?

>	Thanks
>	Luigi
>====================================================================
>Luigi Rizzo                     Dip. di Ingegneria dell'Informazione
>email: luigi@iet.unipi.it       Universita' di Pisa
>tel: +39-50-568533              via Diotisalvi 2, 56124 PISA (Italy)
>fax: +39-50-568522
>====================================================================

Interesting. I'm having exactly the same problems. Runing nroff 3 or 4 times or compiling a lot seems to hang the system too. (18 reboots so far and about 20% of the srcdist compiled...). I've speculated that its because the machine isnt 
swapping, but i dont really know how id find out if this is the case..

Its pretty irritating to have it suddenly die on a friday night when you can 
only physically reboot the machine the coming monday ...

Oh, i'm using a 386dx/25+387/25, 2x80M Caviar IDE drives. a ne1000 clone and the
kernel is a 0.1 + 1.4 (?) patchkit with the X patches in it too..

(not that i have X running yet :( :()

-jason