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Date:      Mon, 3 Mar 2003 23:48:00 -0800
From:      Kris Kennaway <kris@obsecurity.org>
To:        Khairil Yusof <kaeru@pd.jaring.my>
Cc:        freebsd-smp@FreeBSD.ORG
Subject:   Re: Temporary lockups on 5-release
Message-ID:  <20030304074800.GA89765@rot13.obsecurity.org>
In-Reply-To: <1046755156.598.92.camel@daemon.home.net>
References:  <1046755156.598.92.camel@daemon.home.net>

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On Tue, Mar 04, 2003 at 01:19:18PM +0800, Khairil Yusof wrote:
> Since upgrading to 5.0, I often get temporary lockups.
>=20
> Basically the system just hangs for a second or two, almost as if it's
> going to freeze and hang, then continues again.
>=20
> I'm no expert on SMP, but how can a user like me, help out trace
> problems like this?
>=20
> Or is this behaviour expected due to SMPng not being complete and a lot
> of drivers still using Giant lock?

It can be due to Giant contention..was the system under heavy load at
the time?

Kris

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