On Tue, Jun 4, 2013 at 2:47 PM, Paolo Bonzini <pbonz...@redhat.com> wrote:
> Il 04/06/2013 05:47, Dunrong Huang ha scritto: > > > > QEMU command: > > ~/usr/bin/qemu-system-x86_64 -enable-kvm -m 1024 debian-append.img > > > > git bisect tells that the following commit causes this bug: > > > > commit 235e8982ad393e5611cb892df54881c872eea9e1 > > Author: Jordan Justen <jordan.l.jus...@intel.com > > <mailto:jordan.l.jus...@intel.com>> > > Date: Wed May 29 01:27:26 2013 -0700 > > > > kvm: support using KVM_MEM_READONLY flag for regions > > > > For readonly memory regions and rom devices in romd_mode, > > we make use of the KVM_MEM_READONLY. A slot that uses > > KVM_MEM_READONLY can be read from and code can execute from the > > region, but writes will exit to qemu. > > > > After reverting this commit, VM can boot normally. > > A patch is queued for that. Using kernel 3.8 or reverting the commit > will both work. > Ok, thanks for information, I will try it. > > Paolo > > -- Best Regards, Dunrong Huang Homepage: http://mathslinux.org
