From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carlo Marcelo Arenas Belon Subject: Re: boot stops after console handover? Date: Mon, 7 Jan 2008 16:36:16 -0600 Message-ID: <20080107223616.GA5706@tapir> References: <47812BC3.6060503@nagafix.co.uk> <4781EDE3.2000008@qumranet.com> <47827DE4.2020306@nagafix.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Avi Kivity To: Antoine Martin Return-path: Content-Disposition: inline In-Reply-To: <47827DE4.2020306-pzR7fkEi+fEqdlJmJB21zg@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 Mon, Jan 07, 2008 at 07:30:44PM +0000, Antoine Martin wrote: > Avi Kivity wrote: > > Antoine Martin wrote: > >> > >> Hi, > >> > >> Trying to boot KVM on a Core2Duo system, kvm-59 + linux-2.6.23.12 > >> Booting with: > >> qemu-system-x86_64 -hda /home/uml/BusyBox-1.5.0-amd64-root_fs -m 384 > >> - -nographic -cpu qemu64 -kernel /boot/vmlinuz-2.6.23.12 -append > >> "earlyprintk=serial,ttyS0,115200" > >> > >> > > > > Does regular boot (without -kernel) work? > > > Nope, it's just spinning at 100% cpu, tried stock 2.6.23.12 and > 2.6.24-rc6, lots of clock_gettime(CLOCK_MONOTONIC,... this is a big guess as I have no way to test it or know the internals well enough to come with an authoritative answer, but I remember having a similar problem once which was fixed by using the kernel option "nolapic" > Do I need to enable/disable some RTC / HPET options? there used to be a bug about it before which was closed by the reported even though I was able to reproduce it after all (haven't looked since) and it was related to the use of CONFIG_HPET_EMULATE_RTC=y in the guest kernel. sorry for not giving you any hard evidence, but I am just going from memory here and though I would mention it just in case it could help. Carlo ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace