13 messages in com.xensource.lists.xen-develRe: [Xen-devel] Floating Point Except...
FromSent OnAttachments
Georgi Mungov22 Feb 2005 02:58 
Ian Pratt22 Feb 2005 08:07 
Stephan Diestelhorst22 Feb 2005 08:21 
Georgi Mungov22 Feb 2005 08:36 
Ian Pratt22 Feb 2005 09:09 
Robin Green22 Feb 2005 11:26 
Keir Fraser22 Feb 2005 15:47 
Robin Green22 Feb 2005 17:16 
Keir Fraser22 Feb 2005 23:01 
Robin Green05 Mar 2005 11:22 
Ian Pratt05 Mar 2005 11:37 
Keir Fraser06 Mar 2005 01:45 
Robin Green07 Mar 2005 07:03 
Subject:Re: [Xen-devel] Floating Point Exception when compiling w/ gcc
From:Robin Green (gree@presidium.org)
Date:02/22/2005 05:16:45 PM
List:com.xensource.lists.xen-devel

On Tue, 22 Feb 2005, Keir Fraser wrote:

On 22 Feb 2005, at 19:26, Robin Green wrote:

I found a floating-point bug in xen-unstable, which, since I don't know what causes it, might also be present in xen 2.0.4. (See thread "reproducable data corruption in xen-unstable".)

HOWEVER, I did create a workaround patch, which effectively solves the problem for me. Remember to apply this patch both to xen0 and xenU kernels.

I'd like to get to the bottom of this problem. I've checked in some cleanups to FPU code in both -testing and -unstable trees (the cleanups are particularly extensive in the unstable tree). Can you see if the problem still occurs?

When did you check in those changes?

-- Robin

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