Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261807AbVEHQq7 (ORCPT ); Sun, 8 May 2005 12:46:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262894AbVEHQq7 (ORCPT ); Sun, 8 May 2005 12:46:59 -0400 Received: from lakshmi.addtoit.com ([198.99.130.6]:1800 "EHLO lakshmi.solana.com") by vger.kernel.org with ESMTP id S261807AbVEHQq5 (ORCPT ); Sun, 8 May 2005 12:46:57 -0400 Date: Sun, 8 May 2005 12:42:10 -0400 From: Jeff Dike To: Andi Kleen Cc: Antoine Martin , linux-kernel@vger.kernel.org Subject: Re: 2.6.11.8 + UML/x86_64 (2.6.12-rc3+) = oops Message-ID: <20050508164210.GC25130@ccure.user-mode-linux.org> References: <20050504191828.620C812EE7@sc8-sf-spam2.sourceforge.net> <1115248927.12088.52.camel@cobra> <1115392141.12197.3.camel@cobra> <1115483506.12131.33.camel@cobra> <1115570102.10373.23.camel@cobra> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 770 Lines: 17 On Sun, May 08, 2005 at 05:15:36PM +0200, Andi Kleen wrote: > Antoine Martin writes: > Ok, the bug is found now. It is a kernel bug that it allows to set > non canonical addresses in 64bit segment registers through ptrace. > > But even if I fixed that then it will not help you run UML, because > UML needs to set correct addresses of course, not illegal ones. True, but if the host stays up, and maybe printks something (or even returns -EIO), that would help track down the UML problem. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/