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Date:      Tue, 21 Oct 1997 22:37:05 -0600 (MDT)
From:      Nate Williams <nate@mt.sri.com>
To:        Mike Smith <mike@smith.net.au>
Cc:        Nate Williams <nate@mt.sri.com>, mobile@freebsd.org
Subject:   Re: Patches from -current for -stable I'd like to commit after testing 
Message-ID:  <199710220437.WAA08864@rocky.mt.sri.com>
In-Reply-To: <199710220428.NAA01198@word.smith.net.au>
References:  <199710220418.WAA08580@rocky.mt.sri.com> <199710220428.NAA01198@word.smith.net.au>

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> > > (One killer is that the code now allocates IRQ 11 by default for the 
> > >  pcic, but IRQ 11 is used by "something" else that's not probed.
> > 
> > I changed the code to use the 'highest' un-allocated IRQ, because that's
> > what Win95 does and many machines used built-in IRQ's for IRQ 3.
> 
> Understood entirely; all I meant was that you moved the problem from 
> your machine to mine.  8)

Actually, I never had a problem, but many users complained to me about
this.  And, it made sense because Win95 'does it this way', and they are
the reference implementation.

> > >  There 
> > >  needs to be a mechanism for explicitly specifying an IRQ for the pcic.)
> > 
> > Yes, there does.  But, because of the current 'ISA' leanings of the
> > configuration, there isn't an easy way.
> 
> I hacked an option into kern_intr that allows you to specify a mask of 
> interrupts that can never be allowed on the system; this seemed to 
> work pretty well.

It's an option, but it still doesn't allow you to specify the interrupt.

> > In the meantime, you could try backing out the change I made to see if
> > things start working again.
> 
> I did that; it didn't help.  I need to spend some more time chasing 
> kernel builds; I just don't have that right now.  (Assignments, exams, 
> new product lagging on a solid deadline...)

*sigh*  Does your laptop have a Cirrus Logic controller?


Nate



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