AlphaServer 400 vs. Alpha Core 1.0

[Sergey Tikhonov]

Jay Estabrook wrote:

>On Thu, Oct 27, 2005 at 12:36:13PM -0400, Jay Estabrook wrote:
>  
>
>>>With the AC2 qboot1 is the same
>>>      
>>>
>>Thanks, that saves me some time... :-)
>>    
>>
>
>And indeed, it saved enough... ;-}
>
>Tracked down the problem to patches that went into 2.6.11.
>
>Seems that early rev(s) of the NCR 810 didn't identify themselves as
>PCI class SCSI but as undefined, which leads to them not being
>initialized properly (because of that new code in 2.6.11).
>
>Easiest fix is to borrow the "quirk" fixup for the chip from the
>PPC or IA32 code.
>
>Because it's only certain rev(s) of the 810 chip that exhibit this
>problem, this explains why some folks have seen the problem and many
>others (with later revs) have not.
>
>The fix should go into official kernels at some future time, but the
>main idea is to use this fix in updating either the AC1 or AC2 kernel.
>
>Note again that the current CentOS-4.2 kernel does NOT have the
>problem (it is based on 2.6.9), so if you are desperate... ;-}
>
Thank you Jay. I'll try to apply proposed patches and release new qboot image.

Regards,

-- 
Sergey Tikhonov
Solvo Ltd.
tsv at solvo.ru