Supermicro H8DAE-2 support

[Thomas Ching]

Just wanted to share the progress a little bit in case anyone is
interested to know:

4.5 started without any problem. However, the second IO chip (IO-55) on
this board requires ACPI support and that's what I am working on. I am
downloading the 5.5 release and hoping to back port it to 4.5 and
continue from there.

Thomas

-----Original Message-----
From: Julian Elischer [mailto:julian at elischer.org] 
Sent: Thursday, October 11, 2007 2:19 PM
To: Thomas Ching
Cc: freebsd-smp at FreeBSD.org
Subject: Re: Supermicro H8DAE-2 support

Thomas Ching wrote:
> Hi, Julian:
> 
> Thanks for the useful info; I think I will start with Vanilla 4.5 on
the board first to see if it's even possible. If no luck, I will try
4.11. 
> 
> Regarding the changes, I am actually new to the company and I do not
know all the history and details, all I am told is "massive".
> 
> I think mostly are on the TCP stack. I will learn more about it in the
next few weeks.

"Massive" is relative.
4.x doesn't support using > 1 CPU in the kernel at one time.
So unless this is what your changes do, it means you can't use your 2nd
CPU for networking..

anyhow, good luck and do come back if you have problems.

> 
> Again appreciate your fast responses and ideas/suggestions.
> 
> Thomas
> 
> -----Original Message-----
> From: Julian Elischer [mailto:julian at elischer.org] 
> Sent: Thursday, October 11, 2007 11:48 AM
> To: Thomas Ching
> Cc: freebsd-smp at FreeBSD.org
> Subject: Re: Supermicro H8DAE-2 support
> 
> Thomas Ching wrote:
>> Hi, Julian:
>>
>> Thanks for your response. Our existing products (which heavily
changed the kernel code) were developed based on the 4.5 kernel that's
why we need to stick with it for a short while.
>>
>> Is there anything I can learn on the tricks you mentioned in your
email? I am open to examine all possibilities.
>>
>> Thanks
>> Thomas
>>
>> -----Original Message-----
>> From: Julian Elischer [mailto:julian at elischer.org] 
>> Sent: Thursday, October 11, 2007 10:36 AM
>> To: Thomas Ching
>> Cc: freebsd-smp at FreeBSD.org
>> Subject: Re: Supermicro H8DAE-2 support
>>
>> Thomas Ching wrote:
>>> Hi,
>>>
>>>
>>>
>>> I am a newbie to this so I apologize if I did not follow any
protocol
>>> that I am supposed to.
>>>
>>>
>>>
>>> I am porting FreeBSD 4.5 to this board and I am just wondering if
>>> anyone has any information that I can read. I am really concerned
>>> about given how new the board is and 4.5 would probably not run on
>>> it.
>>>
>> Ok so explain why it needs to be 4.5?
>>
>> Assuming it does, you may be able to run it straight away
>> or at worst with just a couple of tweeks,
>> but there are tricks you may not know about to avoid running new
hardware
>> on old systems.
>>
>>> It has to be 4.5 for legacy reasons.
>> why?
>>
>> explain this in detail.
> 
> It's a pitty you have kernel changes because if you had just userland
requirements,
> I'd run a 6.2 system and make a 4.5 jail to match the apps.
> 
> Since you have kernel changes that won't work. however I'd still
suggest 
> moving up to at least 4.11.
> The changes between 4.5 and 4.11 were not that great, but a lot of
newer hardware
> was supported. Your kernel changes will nearly all apply with minimal
change 
> (if any at all), but you may have a chance to get some newer hardware
working easier.
> There are also security and bug fixes.. in fact I'd go for a RELENG_4
> system (i.e. from the 4 branch but after 4.11..  you compile it
yourself).
> 
> what KIND of changes? (some changes can be ported forward to 5.x
really easy too.
> It depends on what kind they are and where they are.
> 
> 
> 
> 
> 
> 
>>>
>>> Thanks
>>>
>>> Thomas
>>>
>>>
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No virus found in this incoming message.
Checked by AVG Free Edition. 
Version: 7.5.488 / Virus Database: 269.14.8/1063 - Release Date:
10/11/2007 9:11 AM