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 :). Alex