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Date: Thu, 9 Nov 2006 17:09:26 -0500
From: Kris Kennaway <kris@obsecurity.org>
To: Zbigniew Szalbot <zbyszek@szalbot.homedns.org>
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Cc: freebsd-questions@freebsd.org, Kris Kennaway <kris@obsecurity.org>
Subject: Re: periodic, short freezes
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On Thu, Nov 09, 2006 at 10:56:53PM +0100, Zbigniew Szalbot wrote:
> Hello,
>=20
> On Thu, 9 Nov 2006, Kris Kennaway wrote:
>=20
> >Is your system swapping?  Monitor with top, swapinfo, etc.
>=20
> I will take a more careful look in the course of next few days. The=20
> problem is that I access this box only via tty so when it does freeze I=
=20
> have no way to determine what really happens.

How do you know the entire system is freezing instead of just the tty?
:) If you have e.g. heavy disk write activity then the syncer will
grab Giant while flushing periodically and delay other things that
require Giant, like serial terminals.

Kris

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