Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!sco!md
From: md@sco.COM (Michael Davidson)
Newsgroups: comp.unix.i386
Subject: Re: Kernel Size limitation on Interactive 386/ix
Message-ID: <4895@scolex.sco.COM>
Date: 19 Feb 90 03:49:35 GMT
References: <205@ncrday.Dayton.NCR.COM> <1990Feb16.034543.2303@virtech.uucp>
Sender: news@sco.COM
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cpcahil@virtech.uucp (Conor P. Cahill) writes:

>There is no real limit on the size of /unix (although I believe it must
>fit into the first 1023 cylinders of the disk :-) ) since release 3.2 (of 
>which 2.0.2 is a derivative).  

Actually there is a limit in the standard AT&T release 3.2 for the 386
- the kernel must not exceed 4 megabytes (the amount of memory that can be
mapped by one 386 page directory entry). While it is unlikely that
this is the problem, it is not impossible for a system with TCP/IP,
NFS and a very large buffer pool to exceed this size. (Please note,
this is a problem in the standard AT&T release - I have no idea whether
it exists in ISC's 2.0.2 release)