linux-kernel - Re: [uml-devel] Floating point problems on UML

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Message-ID: <4E4CB13C.7010502@meduna.org>
Date:	Thu, 18 Aug 2011 08:29:16 +0200
From:	Stanislav Meduna <stano@...una.org>
To:	Richard Weinberger <richard@....at>
CC:	linux-kernel@...r.kernel.org, gunnarlindroth@...mail.com,
	user-mode-linux-devel@...ts.sourceforge.net
Subject: Re: [uml-devel] Floating point problems on UML - help needed

On 17.08.2011 22:58, Richard Weinberger wrote:

> It looks like FPU registers get sometimes lost after switching between
> two or more threads.

This is probably a bug in UML I reported nearly three years ago.
For me mode=skas0 worked aruond the issue.

http://thread.gmane.org/gmane.linux.uml.devel/11824/focus=11840

You might try the patch posted in
http://thread.gmane.org/gmane.linux.uml.devel/12158
(I don't have the environment to test it anymore)

Regards
-- 
                                     Stano
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