Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 6 Jun 2004 09:12:21 +0100
From:      David Malone <dwmalone@maths.tcd.ie>
To:        David Schultz <das@FreeBSD.org>
Cc:        cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/amd64/amd64 fpu.c
Message-ID:  <20040606081221.GA11314@walton.maths.tcd.ie>
In-Reply-To: <200406050313.i553Dd3q070600@repoman.freebsd.org>
References:  <200406050313.i553Dd3q070600@repoman.freebsd.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Jun 04, 2004 at 08:13:39PM -0700, David Schultz wrote:
>   Modified files:
>     sys/amd64/amd64      fpu.c 
>   Log:
>   Initialize the MXCSR to the appropriate default value at startup.

This seems to result in a "Fault trap 1: privileged instrustion
fault while in the kernel" while executing the ldmscsr instruction.
If I comment it out, everything works fine again.

>   Tested on:      tjr

This must be a situation where testing on humans is bad ;-)

	David.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040606081221.GA11314>