Re: MacPPC serial ports in 4.0.1 - not quite

[Michael <macallan%netbsd.org@localhost>]

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Hello,

On Dec 30, 2008, at 4:48 PM, Donald Lee wrote:

> Oddly enough, what I did in the Cyclades driver was to add a call to
> the interrupt handler every time it made a trip through the
> "top half" polling loop.
>
> It didn't fix the interrupts, but it got the job done.

Well, it kept calling the interrupt handler so even if the signalling  
mechanism was borked the interrupts were dealt with eventually.

> On the 4.0.1 machine,
> I can set up an account on the machine for debugging,
> or run some tests, w/ extra debug code on the machine in
> question if that is helpful.  I would need a patch or at least
> some pointers on what debug code would be required.  It's a
> production machine, but I can "mess with it" at will because all
> it does is monitor the other machines, so its operation is
> not critical.

First you should try to reproduce the problem and maybe narrow it down  
a bit.
I have a beige G3 here but I'd have to get a serial cable somehow, my  
mini-DIN->DB9 adaptor seems to have wandered off.

have fun
Michael

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