From mboxrd@z Thu Jan 1 00:00:00 1970 From: ANNIE LI Subject: Re: Balloon down memory failed in x86 PAE mode when memory size>4G Date: Mon, 21 Sep 2009 17:41:43 +0800 Message-ID: <4AB74A57.8020108@oracle.com> References: <4AB74434.8010202@oracle.com> <4AB74683.6060003@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4AB74683.6060003@citrix.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: Paul Durrant Cc: Xen-devel , Keir Fraser List-Id: xen-devel@lists.xenproject.org Paul Durrant wrote: > ANNIE LI wrote: >>>> I implemented balloon in windows pv driver, it works normally on >>>> x86 and >>>> x64 OS. >>>> However, i hit problem to balloon down memory on x86 PAE mode VM when >>>> it's memory >>>> size is larger than 4G. >>>> > > Which version of windows are you booting? It may not be using PAE; > check your boot flags. I am using Srv2008 X86. The memory size in this VM shows as 5.97GB. And I thought PAE mode was enabled in this OS if the memory size is larger than 4G and pae was set 1 in vm configure file. right? Following is my Srv2008 X86 configure file: acpi = 1 apic = 1 boot = 'c' builder = 'hvm' bootloader = '/usr/bin/pygrub' device_model = '/usr/lib/xen/bin/qemu-dm' disk = [ 'file:/mnt/running_pool/win2k8/System.img,hda,w', ] kernel = '/usr/lib/xen/boot/hvmloader' memory = '6114' name = 'win2k8_32' on_crash = '' on_reboot = '' pae = 1 #serial = 'pty' timer_mode = 1 usbdevice = 'tablet' vcpus = 1 vif = [ 'mac=00:16:3E:5E:DF:29, bridge=xenbr0', ] vnc = 1 vnclisten = '0.0.0.0' vncunused = 1 Thanks Annie. > > Paul >