On Thu, Jun 28, 2012 at 04:25:26PM +0200, Alexander Graf wrote: > On 06/15/2012 12:01 AM, Richard W.M. Jones wrote: > >On Thu, Jun 14, 2012 at 11:34:37PM +0200, Alexander Graf wrote: > >>>/home/rjones/d/qemu/ppc64-softmmu/qemu-system-ppc64 \ > >>> -global virtio-blk-pci.scsi=off \ > >>> -nodefconfig \ > >>> -nodefaults \ > >>> -nographic \ > >>> -device virtio-scsi-pci,id=scsi \ > >>> -drive file=test1.img,cache=off,format=raw,id=hd0,if=none \ > >>> -device scsi-hd,drive=hd0 \ > >>Don't you have to specify bus= too? > >I don't know. The identical command line works on x86-64, but I > >don't know if it's correct. > > > >BTW KVM PR now boots the firmware, but fails when it tries to boot our > >(Fedora) guest kernel because of missing emulation of 'ldx': > > > >[764597.404573] Couldn't emulate instruction 0x7fb6502a (op 31 xop 21) > >[764597.404583] kvmppc_emulate_mmio: emulation failed (7fb6502a) > >[768211.269020] Couldn't emulate instruction 0x7fb6502a (op 31 xop 21) > >[768211.269029] kvmppc_emulate_mmio: emulation failed (7fb6502a) > > > >I will try to see if I can fix this and submit a patch if I'm > >successful. > > Ugh. Mind to give me a link to your Fedora kernel, so I can check > out what it's doing? MMIO with 64 bit instructions is slightly > unusual and rather points to a different error :).
So that bug went away when I recompiled my kernel from source. No idea why that happened, but it made me less interested in fixing the emulation bug. However here are the Fedora ppc64 kernels: http://ppc.koji.fedoraproject.org/koji/packageinfo?packageID=3142 I'm not 100% sure now exactly which of the (.fc17) kernels I was using. I think it was probably this one: http://ppc.koji.fedoraproject.org/koji/buildinfo?buildID=84349 - kernel-3.3.4-5.fc17.ppc64 Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://libguestfs.org
