From mboxrd@z Thu Jan 1 00:00:00 1970 From: Farkas Levente Subject: Re: [ANNOUNCE] kvm-46 release Date: Wed, 10 Oct 2007 13:35:54 +0200 Message-ID: <470CB91A.1020508@bppiac.hu> References: <470C8D28.2060408@qumranet.com> <470CB672.4070209@bppiac.hu> <470CB75E.4000404@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel To: Avi Kivity Return-path: In-Reply-To: <470CB75E.4000404-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Avi Kivity wrote: > Farkas Levente wrote: >> Avi Kivity wrote: >> >>> We've now switched to allocating guest memory in userspace rather than >>> in the kernel. This is important if you have a mainframe, but also if >>> you want to share memory between guests and implement nice features like >>> swapping. >>> >> >> we did a quick test against this version and it's turn out the smp >> guests are still not working. even if we start only one linux guest with >> 4cpu on 4cpu host the guest kernel hangs at random stages of the kernel >> loading process (if we run more smp guests then they hang earlier, but >> different random stage), but it's never reach the end of the kernel so >> hang somewhere inside the kernel. and the cpu usage of these process >> goes up to until the qemu-kvm processes eat all cpus (ie. 100%). t > > > What host cpu are you using? What guest kernel version? 32-bit or 64-bit? > > I have no problems running a 4-way Linux guest here. - host: - Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz - Intel S3000AHV - 8GB RAM - CentOS-5 - kernel-2.6.18-8.1.14.el5 x86_64 64bit - guest-1: - CentOS-5 - kernel-2.6.18-8.1.14.el5 i386 32bit - guest-2: - CentOS-5 - kernel-2.6.18-8.1.14.el5 x86_64 64bit - guest-3: - Mandrake-9 - kernel-2.4.19.16mdk-1-1mdk 32bit - guest-4: - Windows XP Professional 32bit start the first guest-1 with 4cpu produce the above hang. (and of course using kvm-46:-) -- Levente "Si vis pacem para bellum!" ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/