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Date: Thu, 14 Dec 2000 10:35:14 +0900
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From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: freebsd-emulation@FreeBSD.ORG
Cc: barry@lustig.com
Subject: Re: VMWare performance when returning from suspend to disk
In-Reply-To: <20001212183737.29213.qmail@devious.lustig.com>
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At Tue, 12 Dec 2000 13:37:36 -0500,
Barry Lustig wrote:
> 
> VMWare running on dual 800Mhz with 512MB RAM runs great, except when I  
> suspend to disk and then restore that image.  When the restored image starts  
> running, the mouse will move for a few moments and then freeze and then start  
> moving again.  The same behavior happens to window input.  During the  
> freezes, VMWare seems to be doing a lot of I/O.  Any thoughts on where to  
> look?
> 
> Thanks,

This is because the restored image is mmaped without MAP_NOSYNC flag.
(When you 'power on', the image is mmapped with the flag because
the image is unlinked just after mmapped.)

Try the patch included in
http://home.jp.FreeBSD.ORG/cgi-bin/showmail/FreeBSD-users-jp/55885

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: finger -l simokawa@sat.t.u-tokyo.ac.jp


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