On Wed, Mar 23, 2011 at 10:29:04PM +0100, Alexander Graf wrote:
>
> On 23.03.2011, at 22:08, Benjamin Herrenschmidt wrote:
>
> > On Wed, 2011-03-23 at 15:45 +0100, Alexander Graf wrote:
> >>
> >> What's the magic to start a guest? I tried passing a disk which SLOF
> >> didn't detect (obviously - there's no IDE there). I also tried running
> >> a kernel directly with -kernel which gave me no output. How are you
> >> usually running your images?
> >
> > hrm... you using -M pseries right ?
>
> Yup
>
> > so -kernel should work with a kernel that is compiled for the pseries
> > platform (and it won't use SLOF).
>
> Yeah, that part works.
>
> > a disk should work with SLOF if you use the default which is scsi (ie
> > pseries machine sets that flag that tells qemu to default to scsi, which
> > is then picked up by our vscsi).
> >
> > IE. You should be able to stick a distro ISO in the virtual CD-ROM and
> > boot from that with SLOF. SLOF will read the qemu boot list (tho it only
> > knows about "c", "d" and "n" at that stage) and try them in order.
>
> That one doesn't. If I just pass in a disk w/o specifically saying
> it's a scsi disk I end up with no hard disk in the guest :).
Um, this is very odd. I use the command line below routinely...
./ppc64-softmmu/qemu-system-ppc64 -nographic -M pseries -m 512 rhel6-root.img
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| _way_ _around_!
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