From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Abrahams Subject: Re: Windows under KVM + dual boot Date: Wed, 11 Apr 2007 23:15:40 -0400 Message-ID: <87ejmq706b.fsf@grogan.peloton> References: <871wivr3e5.fsf@valverde.peloton> <46185D82.2090908@codemonkey.ws> <87bqhvcih7.fsf@grogan.peloton> <461CBEEB.50303@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: 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 Wed Apr 11 2007, Avi Kivity wrote: > David Abrahams wrote: >>>> I want to be able to launch the same windows installation under KVM/Linux >>>> that I can also boot into directly. Are there instructions somewhere >>>> for that? >>>> >>>> I could try to adapt http://www.motin.eu/www/mirror/physvmware/, but I >>>> would prefer to have something more kvm-specific if possible. >>>> >>>> >>> I'm not aware of anyone doing this currently although I suspect that >>> it's definitely possible. If you have any success, documenting it in >>> the wiki would be greatly appreciated! >>> >> >> Unfortunately, KVM core dumps the instant I select XP from my grub >> menu. By contrast, it will happily launch a linux kernel (on >> partitions other than the ones I'm booted into; don't worry). This >> makes me think that it's probably not a driver problem, although I >> could of course be wrong. >> >> Anyone care to help me diagnose this one? >> > > We probably misemulate something that grub uses when chainloading > another bootloader. > > A good test is running with -no-kvm. The VM hangs immedately, with a few random characters scattered across its console. > The gdb backtrace from the core dump is also interesting. Happy to try that, but where is it putting the core dumps? I can't find them. -- Dave Abrahams Boost Consulting http://www.boost-consulting.com Don't Miss BoostCon 2007! ==> http://www.boostcon.com ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV