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Date:      15 Oct 2000 13:06:10 -0400
From:      Mark Evenson <evenson@panix.com>
To:        jbw <qfreaki@home.com>
Cc:        mobile@freebsd.org
Subject:   Re: New kernel freezes on startup: Dell Latitude CPxJ
Message-ID:  <a0vguuf30d.fsf@panix6.panix.com>
In-Reply-To: jbw's message of "Sun, 15 Oct 2000 10:42:46 -0400"
References:  <20001015104246.A1282@home.com>

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jbw <qfreaki@home.com> writes:

> A new kernel I built for my laptop a Dell Latitude CPxJ just freezes on reboot
> and won't go any further.  The message it stops at is the following
> 
> ppi0: <Parallel I/O> on ppbus0.  
> 
> After that it just hangs there until I power off.  I then reboot and use
> the GENERIC kernel which works fine.
> 
> Any ideas?
> 

I have had a similar problem on a Dell Lattitude CPx, a ThinkPad 570X, and
a Gateway Solo 3150 when I attempt to put the pcic0 intreface in polling
mode via the (now recommended in the 4_1_1_STABLE 'GENERIC'): 

device          pcic0   at isa? irq 0 port 0x3e0 iomem 0xd0000

instead assign a specifc IRQ like: 

device          pcic0   at isa? irq 10 port 0x3e0 iomem 0xd0000

My understanding of the actual PC IRQ architecture is somewhat fuzzy so I
have not really tried to track down what is happening, but I do get the
same symptoms as you are describing (a complete lockup).
 
-- 
Mark Evenson <evenson@panix.com>

"A screaming comes across the sky.  It has happened before, but there is
nothing to compare to it now."


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