From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [ANNOUNCE] kvm-17 release Date: Sun, 25 Mar 2007 10:46:46 +0200 Message-ID: <460636F6.5060606@qumranet.com> References: <45FFE14F.6020808@qumranet.com> <4602D9D5.7060806@mr511.de> <46039EEA.4070504@qumranet.com> <46048C34.4080300@osadl.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel To: Carsten Emde Return-path: In-Reply-To: <46048C34.4080300-Q945KHDl0DbYtjvyW6yDsg@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 Carsten Emde wrote: > Avi Kivity wrote: >> Michael Riepe wrote: >>> With respect to the Core Duo, this is the best release I've seen so >>> far: > Unfortunately, kvm-17 was less successful here. FC6 did not boot any > longer after I upgraded from kvm-16 to kvm-17, so I was rather > surprised when I read the above message. > > This is the test system: > CPU: Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz, Chipset: Intel 975X > > The exact problem was that FC6 stopped booting before under kvm-16 it > would display the line > IP route cache hash table entries: 4096 (order: 2, 16384 bytes) > > I then reverted to kvm-16 and repeated all upgrade changes until the > problem occurred. The culprit was found to be > > --- kvm_main-17.c 2007-03-24 02:09:00.000000000 +0100 > +++ kvm_main.c 2007-03-24 02:56:15.000000000 +0100 > @@ -1575,7 +1575,9 @@ > if (kvm_run->mmio_completed) { > memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8); > vcpu->mmio_read_completed = 1; > +#ifdef THIS_PREVENTS_FC6_FROM_BOOTING > emulate_instruction(vcpu, kvm_run, vcpu->mmio_fault_cr2, 0); > +#endif > } > > vcpu->mmio_needed = 0; > I've already reverted this optimization. I'd like to get it back, since it is sound, but I don't yet understand why it caused the regression. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- 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