On Tue, Jul 27, 2010 at 2:47 PM, Kenni Lund <kenni at kelu.dk> wrote: > 2010/7/27 cris rock <queneroviejo at hotmail.com>: >> And my packages installed: >> >> # rpm -qa | grep qemu >> qemu-0.12.4-1.el5.rf >> >> # rpm -qa | grep kvm >> etherboot-zroms-kvm-5.4.4-13.el5.centos >> kmod-kvm-83-164.el5_5.12 >> kvm-83-164.el5_5.12 > > I haven't used CentOS as a KVM host yet, only Fedora, but your setup > still puzzles me...why do you have a brand new qemu-package (as in > "not from the CentOS/RHEL repositories") installed? I would guess that > this package would conflict with the kvm package and mess things up. > > Your error message mentions /usr/bin/qemu-system-x86_64 as the > executable. If you run > rpm -qf /usr/bin/qemu-system-x86_64 > does it then tell you that this file belong to the qemu package? If > so, I believe this is your problem...you try to use qemu, which has > partial KVM support, instead of using qemu-kvm (which is the "real" > KVM userspace executable that originates from the kvm package). I > don't think the arguments supported by qemu-system-x86_64 and qemu-kvm > are the same, which probably could be the cause of the client not > booting and libvirt/virt-manager failing. Right, and there is a bit more about kvm-qemu (correct) versus qemu (incorrect) as explained by Fabian Arrotin in this bug report: http://bugs.centos.org/view.php?id=4111 Remove the installed qemu and install kvm-qemu-img and try again. Akemi