From owner-freebsd-hackers  Mon May  7 14:50: 7 2001
Delivered-To: freebsd-hackers@freebsd.org
Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11])
	by hub.freebsd.org (Postfix) with SMTP id 7B61937B422
	for <freebsd-hackers@FreeBSD.ORG>; Mon,  7 May 2001 14:50:04 -0700 (PDT)
	(envelope-from dwmalone@maths.tcd.ie)
Received: from walton.maths.tcd.ie by salmon.maths.tcd.ie with SMTP
          id <aa89010@salmon>; 7 May 2001 22:49:51 +0100 (BST)
Date: Mon, 7 May 2001 22:49:50 +0100
From: David Malone <dwmalone@maths.tcd.ie>
To: Valentin Nechayev <netch@iv.nn.kiev.ua>
Cc: Rohit Rakshe <rakshe@cs.umn.edu>, freebsd-hackers@FreeBSD.ORG
Subject: Re: FPU exception, kernel panic
Message-ID: <20010507224950.A38879@walton.maths.tcd.ie>
References: <Pine.GSO.4.31.0105051400070.16637-100000@mercury.cs.umn.edu> <Pine.GSO.4.31.0105061711210.15916-100000@melchizedek.cs.umn.edu> <20010507083206.A511@iv.nn.kiev.ua>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5i
In-Reply-To: <20010507083206.A511@iv.nn.kiev.ua>; from netch@iv.nn.kiev.ua on Mon, May 07, 2001 at 08:32:06AM +0300
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On Mon, May 07, 2001 at 08:32:06AM +0300, Valentin Nechayev wrote:
>  Sun, May 06, 2001 at 17:14:08, rakshe (Rohit Rakshe) wrote about "Re: FPU exception, kernel panic": 
> 
> (I cannot even guarantree 50% this is the same problem, but...)
> There were some reports in current@ about incorrect usage of i586_bzero()
> which uses FPU for zero-filling. It generated random kernel panics mainly
> on K6-2, also on P5-MMX and similars. You can try to disable such bzero,
> but IMHO it is reasonable to upgrade to 4.3-RELEASE (RELENG_4_3) first.

This problem should not happen in 4.X as it is a side effect of the
SMP-NG stuff in -current.

	David.

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message