Subject: Re: netbsd-current and ibook g4: kernel freeze
To: leon zadorin <leonleon77@gmail.com>
From: Michael Lorenz <macallan@netbsd.org>
List: port-macppc
Date: 01/31/2007 02:24:12
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Hello,
On Jan 31, 2007, at 00:38, leon zadorin wrote:
> I guess that is common knowledge, so I'd rather find out why there
> isn't
> any code in the exception vector area to handle this exception. Maybe
> the interrupt prefix bit is modified in MSR by mistake? How is your MPC
> configured at reset (I mean the reset configuration on the data bus)?"
This early in kernel startup interrupts should be disabled and
decrementer exceptions shouldn't occur. Having a look at the msr
immediately before the exception fires might be helpful ( as in finding
out where exactly it's enabled and why it only happens on a handful
machines )
have fun
Michael
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