From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carsten Schiers Subject: AW: RE: No C-States any longer... Date: Thu, 9 Jun 2011 12:50:17 +0200 Message-ID: <1645122.21307616617566.JavaMail.root@uhura> References: <625BA99ED14B2D499DC4E29D8138F1505CC5AF722F@shsmsx502.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: In-Reply-To: <625BA99ED14B2D499DC4E29D8138F1505CC5AF722F@shsmsx502.ccr.corp.intel.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Tian, Kevin" , xen-devel List-Id: xen-devel@lists.xenproject.org > The more interesting thing is > about the gear logic between dom0 and Xen. Does the dom0 notify > Xen on earth? Is there some condition making Xen reject the call? ... I am not sure whether this is a gear, but in dmesg I have a WARNING which is issued by enlighten.c/xen_apic_write, saying: Warn to see if there's any stray reference. > You may check Xen/dom0 > log to see any error there, or manually add some printk in set_cx_pminfo to > see any error there. I'll do that tonight, Kernel is already baking... BR, Carsten.