can Fedora's QEMU run ppc guest in F12 x86_64 host?

[Bill Davidsen]

Andre Robatino wrote:
> On 12/05/2009 08:27 PM, Bill Davidsen wrote:
>> Andre Robatino wrote:
>>> I've tried to create a F12 ppc guest in a F12 x86_64 host, using F12's
>>> Virtual Machine Manager and with qemu-system-ppc installed.  It's
>>> reading a verified copy of Fedora-12-ppc-DVD.iso from the HDD.  It fails
>>> with
>>>
>>> CDROM boot failure code : 0004
>>> Boot failed: could not read the boot disk
>>>
>>> FATAL: No bootable device.
>>>
>>> (Screenshot attached.)  At least this is an improvement over F11 which
>>> would generate a kernel failure instead.  Is this supposed to work?  The
>>> page
>>>
>>> http://fedoraproject.org/wiki/Features/KVM_and_QEMU_merge
>>>
>>> claims that it is.
>>>
>> Were I you, I would take all the virtual "dumb it down" stuff out of the
>> picture, create a 6GB or so qcow2 device with qemu-img, then run the ppc
>> from the command line:
>>   qemu-system-ppc64 -, 1200 -hda mydisk.img -cdrom install.iso -boot d
>> -net nic
>> look at the man page, those may not be exactly what you need for your
>> system.
>>
>> I have found that this works when more convenient tools don't, due
>> either to limitations in the tool or in the doc, or in my understanding.
>>
>> If this works it will point to the need to understand the convient tool
>> better.
> 
> Good advice, I didn't know how to use QEMU on the command line.  I tried
> making it work in the simplest way possible.  The following works with
> an x86_64 image:
> 
> qemu-system-x86_64 -hda Fedora_12_x86_64.img -cdrom Fedora-12-x86_64-DVD.iso
> 
> but the corresponding command for ppc
> 
> qemu-system-ppc -hda Fedora_12_ppc.img -cdrom Fedora-12-ppc-DVD.iso
> 
> fails with the error
> 
> cd:0,\ppc\chrp\yaboot.conf: Unknown or corrupt filesystem
> Can't open config file
> Welcome to yaboot version 1.3.14 (Red Hat 1.3.14-23.fc12)
> Enter "help" to get some basic usage information
> boot:
> 
> I tried creating the .img file in both qcow2 and the default raw format,
> and both the qemu-system-ppc and qemu-system-ppc64 commands.
> 
You need to tell it to boot off the cdrom. That's what the "-boot d" means. If 
that doesn't work I'll have to pull down a CD and try it. Also, is that ppc iso 
32 or 64 bit? There's a 64 bit qemu as well.

-- 
Bill Davidsen <davidsen at tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot