[Coco] Re: NitrOS9 on MESS?

[Roger Taylor]

At 08:11 AM 12/4/2003 -0500, you wrote:

>Disks will become corrupt after a certain amount of usage.  This affects 
>both real disks images and VHD virtual hard disks.  Apparently,
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>somewhere deep in the RBF module the cache structure somehow unloads to 
>disk incorrectly and the disk gets corrupted.
>Robert Gault and I probably put in at least 100+ hours between us trying 
>to track this one down, without any luck.  This bug affects both the 6809 
>and 6309 versions of NitrOS-9, but does not affect older versions of 
>NitrOS-9 nor OS-9.  What I would like to see is someone isolate what 
>specific change to NitrOS-9 caused this bug to manifest; that information 
>would probably unlock the secret of this bug.



At least you know that it's occuring while RBF is writing out to a storage 
device.  So if this does not happen on a real CoCo, and the code is exactly 
the same, then it's M.E.S.S... probably a timing issue or the index hole 
signal code.  ??



{Roger Taylor}