On Tue, May 27, 2008 at 05:54:12PM +0200, Farkas Levente wrote: > Daniel P. Berrange wrote: > >On Tue, May 27, 2008 at 04:56:06PM +0200, Farkas Levente wrote: > >>hi, > > > >KVM only virtualizes a CPU that matches the host. If you're on a 64-bit > >host, then it only virtualizes a 64-bit CPU. It doesn't virtualize a > >32-bit CPU - if you want a true 32-bit cpu on a 64-bit host you need to > >emulate with QEMU instead. That said its rather pointless because you > >can run a 32-bit guest OS in a 64-kvm KVM vm just fine. > > huu i learn again something:-) until now (ie. in previous version of > virt-manager) i can select 32bit for my guest so i assume kvm can > virtualize 32bit cpu on 64bit host. Then you have likely been running your VMs with plain QEMU and no acceleration > but if it can't it'd better to not > allow to choose 32bit in case of kvm. and of course virt-manager already > know the host has only kvm hypervisor. That is already the case - if you select KVM then it won't let you select i386 and vica-verca. > >>- after select i386 creating the disk image virt-manager crash with some > >>python backtrace as can't connect the guest. > > > >Please file a BZ with the details > > it's more then half year old: > https://www.redhat.com/archives/et-mgmt-tools/2007-October/msg00062.html Note where I said *BZ*, and that is not enough information anyway. It needs the full virt-manager log file, and the VM log from /var/log/libvirt > but anyway. my question is anybody ever be able to install a guest from > virt-manager using pxe boot on kvm? since my assumption is that it's > never been tried and never worked. It has been tried and does work. As I said in my previous mail there are sometimes problems with some versions of KVM, and also incompatabilities with certain DHCP/PXE servers. There are also frequently mis-configured hosts by the sysadmin which block the traffic in the firewall. Dan. -- |: Red Hat, Engineering, Boston -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :| _______________________________________________ et-mgmt-tools mailing list et-mgmt-tools@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/et-mgmt-tools
