From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: How to determine memory size in HVM Date: Tue, 09 Jun 2009 06:38:50 +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: James Harper , "xen-devel@lists.xensource.com" Cc: Steven Smith , George Dunlap List-Id: xen-devel@lists.xenproject.org On 09/06/2009 02:59, "James Harper" wrote: > Thanks for that. > > Another question, if I do 'xm mem-set' (without any handling of the > memory/target value) and then reboot, the system reboots with the new > target memory value, making it impossible to add memory to the system > again (under Windows at least). The only way I can think of fixing that > is to write back to memory/target with the original value just before > rebooting, but even that could be prone to errors in case of an unclean > reboot or something... any way around this? The new HVM populate-on-demand memory support should be able to help. I suppose also some tools changes may be necessary in conjunction with this. Or domain config changes. George Dunlap and Steven Smith can probably advise. -- Keir