Subject: Re: Hang at adb0 - 1.6sbc
To: Frederick Bruckman <fredb@immanent.net>
From: Daniel R. Killoran,Ph.D. <drk@shore.net>
List: port-mac68k
Date: 10/31/2002 11:27:36
Frederick Bruckman wrote:
>On Thu, 31 Oct 2002, Daniel R. Killoran,Ph.D. wrote:
>
>  > Frederick Bruckman wrote:
>>  >
>>  >For a while there, making any single change was liable to change the
>>  >initial time/scaling loop, which could consistently cause the adb
>>  >driver to hang up. The clue was in the "cpu: delay factor" at the top
>>  >of the kernel messages: kernels with one "delay factor" consistently
>>  >worked, while kernels with the other "delay factor" didn't. It always
>>  >looked like the last change you made was responsible, but it wasn't.
>>  >Scott added a directive to line up the code that calculates the delay
>>  >factor on a cache line, and that seems to have fixed that. Does your
>>  >"delay factor" change with the working kernel vs. the good kernel?
>>
>>  Alas, both SMALLRAM and GENERICSBC show the same "Delay Factor"(332)
>>
>>  I forgot to mention that GENERICSBC DID boot ONCE (It was the second
>>  try) but has hung ever since, always at that same place.
>
>I don't see any quick resolution (though I'm glad you have a kernel
>that works now). Would you please file a PR, so at least the problem
>isn't forgotten, only to be rediscovered after the next release?
>

I will try to do so. I think, though, that I will first collect more 
information, since I will be compiling a custom kernel.
I don't normally have my unix box connected to the internet, but i 
will hitch up a modem & try to get it working for the PR.

Dan Killoran