Adding switch --cpu mode=host-model along with --arch x86_64 fixes this issue. However I am not able to boot with "any other" CPU type like I used to be able to give --cpu core2duo and things would work ! On 9/6/15, Bhasker C V <bhasker@xxxxxxxxxxxxx> wrote: > Using virt-manager and copying host CPU can still boot the guest OS > (64-bit) > virt-install however still is not doing the job. > > On 9/6/15, Bhasker C V <bhasker@xxxxxxxxxxxxx> wrote: >> Hi, >> >> I have this setup >> >> >> kernel: x86_64 version 4.2.0 >> operating system (rootfs binutils etc.,) : i386 (ELF-32-bit) >> qemu-system : version 2.4.0 qemu-system-x86_64 (i386 binary) >> libvirt: 1.2.19 (i386 ) >> >> When I run the qemu-system-x86_64 binary with --enable-kvm, the guest >> machine is working properly as hvm. So >> QEMU can run x86_64 OS as hvm >> >> when I install using virt-install >> virt-install --name debian --cdrom >> ./debian-stretch-DI-a1-amd64-netinst.iso --disk /STOR/DEBIAN,bus=sata >> --ram 1024 --graphics vnc >> >> I expect the 64-bit kernel to load and start install in the guest but >> i get a complaint that the guest cannot boot since the cpu is not >> 64-bit capable (please use a kernel appropriate for your CPU) >> >> I tried adding the machine option to virt-install >> virt-install --name debian --cdrom >> ./debian-stretch-DI-a1-amd64-netinst.iso --disk /STOR/DEBIAN,bus=sata >> --ram 1024 --graphics vnc --machine pc-i440fx-2.0 >> >> No joy >> >> Tried changing the machine as hvm and also added --arch x86_64 >> none of them help ! >> >> Can someone tell me how to do this ? >> Just because the binutils and the OS is 32-bit I think libvirt must >> not refuse to hvm a x86_64 guest since the kernel is still x86_64 >> kernel and so so the kvm (module) >> >> I am guessing I am missing some option passed to virt-install or this >> is a limitation purely on libvirt (not qemu or kvm) >> >> Moreover QEMU is able to run a hvm guest x86_64 and manually running >> qemu does bootup the 64-bit kernel guests. >> > _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users