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From: Artyom Tarasenko <atar4qemu@googlemail.com>
Date: Wed, 16 Sep 2009 10:28:42 +0200
Message-ID: <fb8d4f70909160128m5a9fe5d0mf4a2fad5029e9850@mail.gmail.com>
Subject: Re: [Qemu-devel] Solaris SPARC guest on QEMU
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To: Blue Swirl <blauwirbel@gmail.com>
Cc: qemu-devel@nongnu.org, Luis Freitas <lfreitas34@yahoo.com>

2009/9/15 Blue Swirl <blauwirbel@gmail.com>:
> On Tue, Sep 15, 2009 at 11:55 AM, Artyom Tarasenko
> <atar4qemu@googlemail.com> wrote:
>> 2009/9/14 Luis Freitas <lfreitas34@yahoo.com>:
>>> Hi,
>>>
>>> =A0 I would like to use QEMU to run a guest Solaris 8/Sparc machine.
>>
>> You are not alone. This topic pops every 1-2 years.
>>
>>> =A0 Seems that openbios is missing something that Solaris needs to comp=
lete the boot process. I posted a entry on the qemu users forum but got no =
replies. The boot seems to be failing after the initial boot program is loa=
ded from the disk, it seems unable to find the second stage boot program, s=
o it is probably something related to how the second stage should identify =
the boot device.
>
> Maybe the raw disk access (without partition translation) does not
> work. There was something on OpenBIOS list recently for PPC:
> http://www.openfirmware.info/pipermail/openbios/2009-September/003977.htm=
l
>
>> The real Sun's OBP under qemu has the same problem. I guess it's not
>> the problem of OpenBIOS, but some bugs in SCSI/DMA/(IO)MMU layer.
>> It's not the identification of the boot device though. The first stage
>> reads something from a disk. It just fails to find some magic patterns
>> in what it gets.
>
> IIRC the CD-ROM drives used by Sun were slightly different from
> standard SCSI models, something like the block size could be 512 bytes
> instead of 2048 or vice versa.

I don't think it has to do with it. Booting from a hd image produces
the same error.