On Tue, Dec 23, 2014 at 05:27:20PM +0800, CloudBeyond wrote: > Dear Developers, > > Sorry for interrupting if i sent to wrong email group, but i got a problem on > running Solaris 10 on icehouse openstack. > I found it is need to disable CPU feature x2apic so that solaris 10 NIC > could work in KVM as following code in libvirt.xml > > <cpu mode="custom" match="exact"> > <model>SandyBridge</model> > <vendor>Intel</vendor> > <feature policy='disable' name='x2apic'/> > </cpu> > > if without line > <feature policy='disable' name='x2apic'/> > the NIC in Solaris could not work well. > > And I try to migrate the KVM libvirt xml to Nova. I found only two options > to control the result. > > First I used default setting cpu_mdoe = None in nova.conf , the Solaris 10 > would keep rebooting before enter desktop env. > > And then I set cpu_mode = custom, cpu_model = SandyBridge. Solaris 10 could > start up but NIC not work. > > I also set cpu_mode = host-model, cpu_model = None. Solaris 10 could work > but NIC not. > > I read the code located > in /usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py. Is that > possible to do some hacking to customize the cpu feature?
Correct, the only way is to change the code. Really a bug needs to be filed against QEMU to report the problem with x2apic, because it is not something that should be allowed to break any guest OS. Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :| _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
