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From: Luigi Rizzo <luigi@labinfo.iet.unipi.it>
Message-Id: <199701261147.MAA27929@labinfo.iet.unipi.it>
Subject: Re: exec bug
To: dg@root.com
Date: Sun, 26 Jan 1997 12:47:07 +0100 (MET)
Cc: swallace@ece.uci.edu, current@FreeBSD.ORG
In-Reply-To: <199701261201.EAA06656@root.com> from "David Greenman" at Jan 26, 97 04:00:42 am
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> >I haven't heard anything about the exec but I reported last week
> >when an executable fails to read the image from the media due to a
> >read error.
> >
> >execve() maps the first page to memory and calls exec_aout_imgact()
> >which then accesses this page and fails.  The system then gets
> >a page fault while in kernel mode and dies.

Given this description, would this also occur when trying to run
a program from an nfs-mounted partition which at some point becomes
unavailable ? If not (as I hope!) what is the difference ?

	Thanks
	Luigi