From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Re: [Xen-users] rebased openSUSE Xen dom0 Patches Date: Thu, 15 Apr 2010 19:41:08 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Simon Graham , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 15/04/2010 19:36, "Simon Graham" wrote: > It is not clear whether Dom0 is erroneously using pages that are and truly > should be writable, or whether somehow pages have erroneously become writable; > if anyone can suggest likely places to look for problems that would be > awesome! Typically it means that the guest kernel hasn't managed to zap all of its writable mappings of a page before assigning it for use as a page table. That doesn't immediately point to the bug, unfortunately. ;-) -- Keir