[OpenBIOS] [PATCHv2 2/6] ppc: fix ESCC reg properties

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Tue Feb 23 22:07:59 CET 2016


On 23/02/16 20:19, Programmingkid wrote:

>> Just this one patch, or the entire patchset? Pretty much everything just
>> works with "git am" these days?
> 
> It was with this patch only. This patch would not show up when I went to view it as raw text. 

How strange. The entire patchset was a straightforward invocation of git
format-patch.

>> I think there are two issues here: firstly something does cause memory
>> corruption which can cause random crashes under OS 9, and secondly the
>> changes to the serial ports. We know that OT probe causes OS 9 to
>> crash/hang when booting from a vanilla image, but the probe doesn't take
>> place on pre-installed images. In these cases the hang is almost better
>> than the crash in that at least the OS gets to the point where it can
>> probe the serial ports, it is just that the QEMU emulation is lacking.
> 
> Agreed.
> 
>>
>> If the change in behaviour occurs when booting from a fresh ISO then I'm
>> not too worried because everyone testing at the moment will have removed
>> these extensions from their images. However if existing installed images
>> start to fail then perhaps the patch needs more work.
> 
> It was fresh ISO's that I used for testing. 

Well that's definitely not a regression, just not an improvement :)  As
long as yourself/Howard are happy that the pre-installed OS 9 images
work then I think we're good.


ATB,

Mark.




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