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Date:      Tue, 22 May 2001 22:08:44 -0400
From:      David Edelsohn <dje@watson.ibm.com>
To:        Benno Rice <benno@FreeBSD.ORG>
Cc:        Doug Rabson <dfr@nlsystems.com>, freebsd-ppc@FreeBSD.ORG
Subject:   Re: FreeBSD/powerpc work to date 
Message-ID:  <200105230208.WAA26946@makai.watson.ibm.com>
In-Reply-To: Message from Benno Rice <benno@FreeBSD.ORG>  of "Wed, 23 May 2001 10:16:43 %2B1000." <20010523101643.A70899@rafe.jeamland.net> 

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>>>>> Benno Rice writes:

Benno> There's still an issue somewhere in the pmap code in that as soon as I flush
Benno> the TLB it starts having problems.  If I leave the TLB alone though it mana=
Benno> ges
Benno> to crawl it's way to vm_mem_init and vm_page_startup before falling over.

	Is the kernel running real or virtual at that point?  It sounds
like you are running virtual and blowing away the TLB before the page
table structures are in place to allow the kernel to handle a page fault.
Are you mapping the kernel with a large BAT?

David

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