Re: [microblaze-uclinux] mbvanilla_ddr update

[John Williams <jwilliams@itee.uq.edu.au>]

Hi Jon,

Jon Masters wrote:

> I would get rid of it completely if that were at all possible.

As I said, I work exclusively at the command line now - today was the 
first time in a couple of months that I fired up XPS, just to get this 
mbvanilla_ddr stuff going.

>>The moral of the story is that if you try to work both with XPS, and 
>>also at the Xygwin command line, you are on track for a world of hurt.
> 
> ``Welcome to my world of pain''. :-).

I found that using CVS is essential, at least you can track the changes 
and back out of them if it breaks something.

> On a different note I am still on and off looking at this bug in xmbserial
> which seems to be related to file open operations and inherited file
> descriptors but is kind of hard to explain - sometimes I see it and other
> times everything just works normally.

Strange - I haven't seen anything like it in uClinux, or at least 
haven't recognised it anyway.  You sure it's happening that "deep", and 
not somewhere higher up in the chain?   It amazed me when I first did a 
stack track from within one of the driver functions, it's about 6 levels 
deep in the call chain from the kernel entry point!

Well let me know if you find anything, or have any other fixes or 
tidy-ups for the driver.

Cheers,

John


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