[Qemu-devel] Re: [Bug 623852] Re: PPC emulation loops on booting a FreeBSD kernel

[Nigel Horne <623852@bugs.launchpad.net>]

On 25/08/10 10:08, agraf wrote:
> It looks like a firmware issue. Please report this to
> openbios@openbios.org. You get the output below by using the -nographic
> option.
>    
I have done so, though to be honest I don't see that panic even if I use 
-nographic, QEMU still silently loops for me.
>>> =============================================================
>>> OpenBIOS 1.0 [Aug 17 2010 14:41]
>>> Configuration device id QEMU version 1 machine id 2
>>> CPUs: 1
>>> Memory: 512M
>>> UUID: 00000000-0000-0000-0000-000000000000
>>> CPU type PowerPC,750
>>>        
> Welcome to OpenBIOS v1.0 built on Aug 17 2010 14:41
> Trying cd:,\\:tbxi...
> Consoles: Open Firmware console
>
> FreeBSD/powerpc Open Firmware loader, Revision 0.1
> (root@xserve.lan.xcllnt.net, Sun Jul 18 04:50:11 UTC 2010)
> Memory: 524288KB
> Booted from: cd
>
> Loading /boot/defaults/loader.conf
> /boot/kernel/kernel data=0x72c6b8+0x3e280 syms=[0x4+0x5ac10+0x4+0x7d8ad]
> /
> Hit [Enter] to boot immediately, or any other key for command prompt.
> Booting [/boot/kernel/kernel]...
> Kernel entry at 0x100100 ...
> panic: OFW translations above 32-bit boundary!
> Uptime: 1s
>
>    
-Nigel

-- 
Nigel Horne. Arranger, Adjudicator, Band Trainer, Composer, Tutor, Typesetter.
NJH Music, ICQ#20252325, twitter: @nigelhorne
njh@bandsman.co.uk http://www.bandsman.co.uk

-- 
PPC emulation loops on booting a FreeBSD kernel
https://bugs.launchpad.net/bugs/623852
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Status in QEMU: New

Bug description:
Has anyone tried booting FreeBSD8.1-ppc under QEMU (Linux x86_64 host; PPC guest)?  I can get Linux/PPC to run fine, and FreeBSD8.1-i386 as well; but there seems to be a problem with whatever the FreeBSD8.1 kernel does, that QEMU's PPC emulation can't handle.

I am using the latest version of QEMU from GIT as of 25/8/10.  I don't know how to get a "git commit hash", so I can't quote it.

The kernel starts OK then loops after "Kernel entry at 0x100100 ...".

The command I am running is

qemu-system-ppc -cdrom FreeBSD-8.1-RELEASE-powerpc-disc1.iso -hda freebsd8.1-ppc -m 94 -boot d"

I obtained the kernel from ftp://ftp.freebsd.org/pub/FreeBSD/releases/powerpc/ISO-IMAGES/8.1/FreeBSD-8.1-RELEASE-powerpc-disc1.iso.