From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: (long) kvm and virt-manager not ready for daily usage Date: Sat, 08 Sep 2007 16:51:00 -0500 Message-ID: <1189288260.2304.1.camel@squirrel> References: <46E28438.5000403@bppiac.hu> <1189264729.19248.3.camel@squirrel> <46E30AFA.5060800@bppiac.hu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Farkas Levente Return-path: In-Reply-To: <46E30AFA.5060800-lWVWdrzSO4GHXe+LvDLADg@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 On Sat, 2007-09-08 at 22:50 +0200, Farkas Levente wrote: > Anthony Liguori wrote: > >> the host see as i've 4 cpu. i've got a change to gives more cpu to the > >> guest, what's more they starts, but after a few minutes running the > >> system crash. not just the guest os but the host os crash without any > >> kind of info, log or any useful info what was the cause of it, but hard > >> reset helps:-((( first of all it's serious problem, even if it's a known > >> bug and documented somewhere (but there is not any kind of docs about > >> neither kvm nor virt-manager/libvirt and what i can find that very > >> limited), since all of the new hvm cpu (which is required for kvm) has > >> more core, so the guest can't use the real power of the cpu this means > >> i've to put a lots of guests with one virtual cpu to the host or > >> currently can't exploit these cpus. > > > > I'm having difficulty understanding what your problem is. Are you > > after i reread my sentences it was difficult for me too:-( > > > saying that guest SMP isn't working for you? The host OS definitely > > shouldn't crash. Can you be more specific about what configs you are > > using? There was a host oops fixed in kvm-36 so upgrading may help you. > > exactly. i've got 4 phisical core (Intel Core 2 Quad) and i try to give > 4 cpus for 2 guests and 2 cpus for a third guest and restart libvirtd. > the result was that even the host system crash without any stack trace > or kernel panic and only the hard reset helps. Could you try to reproduce the problem with kvm-36? Host crash bugs are very important to fix especially one so easily reproducible. Regards, Anthony Liguori ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/