From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Xen 4.0.1 "xc_map_foreign_batch: mmap failed: Cannot allocate memory" Date: Thu, 16 Dec 2010 20:33:23 +0000 Message-ID: References: <4D0A04C0020000910006885B@novprvoes0310.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4D0A04C0020000910006885B@novprvoes0310.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Charles Arnold , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 16/12/2010 19:23, "Charles Arnold" wrote: > The bug is that qemu-dm seems to make the assumption that it can mmap from > dom0 all the memory with which the guest has been defined instead of the > memory > that is actually available on the host. 32-bit dom0? Hm, I thought the qemu mapcache was supposed to limit the total amount of guest memory mapped at one time, for a 32-bit qemu. For 64-bit qemu I wouldn't expect to find a limit as low as 3.25G. -- Keir