RE: [Qemu-devel] Booting AIX / First try w/QEMU

[Laurent Vivier <Laurent@vivier.eu>]

>To whom it shall concern,
>
>I have absolutely no time for mailing lists or to spend much time on  
>this other than to report the bug, so please understand I am just here  
>to report this, and have little time for continued testing of it. I  
>leave that to you, the developers.
>
>I ran into two different bugs attempting to try QEMU 0.11, under  
>CentOS 5.3 64bit (fully updated), QEMU compiled from source  
>flawlessly, while under under VirtualBox on a Lenvo T400 laptop.
>
>My goal was to try to boot an AIX CDROM from QEMU 0.11 (AIX 6.1), I  
>never got that far due to these bugs.
>
>
>Bug #1:
>
>It seems to complain about some 1MB BIOS file being missing or  
>dysfunctional, really I did not see any BIOS files that big, so, I  
>gave up with this type of boot. Then I tried below, "Bug #2", met with  
>more problems, so I gave up entirely as I had no more time to play  
>with it.
>
>/usr/local/bin/qemu-system-ppc -nographic -hda aix.raw -cdrom  
>./Image_091013_1359.iso -M prep
>qemu: hardware error: PowerPC 601 / 620 / 970 need a 1MB BIOS
>
>CPU #0:
>NIP fff00100   LR 00000000 CTR 00000000 XER 00000000
>MSR 00000040 HID0 00000000  HF 00000000 idx 1
>TB 00000000 00000000 DECR ffffffff
>GPR00 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>GPR04 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>GPR08 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>GPR12 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>GPR16 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>GPR20 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>GPR24 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>GPR28 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>CR 00000000  [ -  -  -  -  -  -  -  -  ]             RES ffffffff
>FPR00 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>FPR04 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>FPR08 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>FPR12 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>FPR16 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>FPR20 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>FPR24 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>FPR28 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>FPSCR 00000000
>SRR0 00000000 SRR1 00000000 SDR1 00000000
>t: line 5: 11668 Aborted                  
>/usr/local/bin/qemu-system-ppc -nographic -hda aix.raw -cdrom  
>./Image_091013_1359.iso -M prep
>[root@localhost qemu]#

To boot AIX6.1, you must emulate a CHRP with at least a POWER4.
Moreover, AIX6.1 needs the hypervisor support in OpenFirmware (which is not the case of OpenBIOS).

>
>Bug #2: never even tries to boot from CD-ROM and gives some wildly odd  
>error and display messages.
>
>
>/usr/local/bin/qemu-system-ppc -nographic -hda aix.raw -cdrom  
>./Image_091013_1359.iso -M g3beige
>
>>> =============================================================
>>> OpenBIOS 1.0 [Jul 5 2009 17:36]
>>> Configuration device id QEMU version 1 machine id 2
>>> CPUs: 1
>>> Memory: 128M
>>> UUID: 00000000-0000-0000-0000-000000000000
>>> CPU type PowerPC,750
>Welcome to OpenBIOS v1.0 built on Jul 5 2009 17:36
>
>>> *** Boot failure! No secondary bootloader specified ***
>
>0 > boot cdrom
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist
>
>>> partition 2 does not exist

This should be corrected in OpenBIOS HEAD SVN repository.

>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>>> *** Boot failure! No secondary bootloader specified ***
>  ok

Regards,
Laurent
-- 
--------------------- Laurent@vivier.eu  ---------------------
"Tout ce qui est impossible reste à accomplir"    Jules Verne
"Things are only impossible until they're not" Jean-Luc Picard