From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Xen 3.4.0 - Windows 2008 Lockup Date: Sat, 23 May 2009 14:23:41 +0100 Message-ID: References: <9b5c9bb30905230424i927c801n2b62a911e8904074@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <9b5c9bb30905230424i927c801n2b62a911e8904074@mail.gmail.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: Teck Choon Giam , "xen-devel@lists.xensource.com" Cc: Ian Jackson , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org On 23/05/2009 12:24, "Teck Choon Giam" wrote: >> How slow is 'slow'? Is that across more than one type of guest OS? Do you >> run the GPLPV drivers? > > I do not run any GPLPV drivers. Performance wise between 3.3.2 and > 3.4 difference as in speed and performing tasks via remote desktop in > HVM windows 2008 guest is very noticeable. Lag time can be more than > twice just for remote desktop logins with no other changes just the > difference of xen version 3.3.2 and 3.4.0. > > I might have jumped into wrong conclusion too soon though and will > test again later then report back the result. If you have any test > tools for me to perform and compare between both versions will be > great ;) Could be a number of things. Changes in qemu are quite a possibility, but that's not certain. Remote desktop means you use RDP in the Windows guest rather than the qemu vncserver? -- Keir