From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Physical memory read: word crosses page boundary + host kernel oops Date: Thu, 29 Mar 2007 16:30:05 +0200 Message-ID: <460BCD6D.9020604@qumranet.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: "Kiselev, Sergey" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Kiselev, Sergey wrote: > Hi > > 1. It seems that first problem happens because this particular > double-word (address 0x9FFFD) is located on the boundary between regular > memory and video memory. Probably this address accessed because some bug > in that old kernel (I don't see any good reason to read this location). > But it will be nice to check for reads/writes to such addresses. > > I agree. > 2. Problem (oops) is gone away in rev 4571. Not sure why. Still it can > be repeatedly reproduced on kvm-18. > > If needed, I can upload an image that reproduces these problems (~150MB > compressed size). > I'd like to see it. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV