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Date:      Fri, 14 Aug 1998 03:55:48 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        tlambert@primenet.com (Terry Lambert)
Cc:        current@FreeBSD.ORG
Subject:   Re: Tentative fix for VM bug
Message-ID:  <199808140355.UAA00642@usr06.primenet.com>
In-Reply-To: <199808140244.TAA26443@usr02.primenet.com> from "Terry Lambert" at Aug 14, 98 02:44:08 am

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> A posting about NFS problems to the -hackers list gave me the clue
> I needed.
> 
> I believe I have a fix for the VM bug.
> 
> Would people running -current *AND* experiencing:
> 
> o	zeroed pages that shouldn't be
> 
> o	process hangs sleeping in "vmopar"
> 
> o	nfs client instability when executing programs or accessing
> 	files from the server (ie: mailboxes, etc., using lockfiles)
> 
> o	parts of files getting written to other files (that's me)
> 
> o	file corruption when accessing files via two routes (either
> 	two processes, or one process that both mmap's and extends
> 	the file via a descriptor).

Note: If I have lost my mind, there are two other places where this
could be happening instead.

If I have lost my mind, then I expect an increase in the occurance
"vm_page_free: freeing free page", and I will have to go back to
the other places (which are vastly more complicated to fix).


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.

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