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Date:      Thu, 28 Aug 2003 13:36:48 -0400
From:      Dave Dolson <ddolson@sandvine.com>
To:        'Tor Egge' <Tor.Egge@cvsup.no.freebsd.org>, silby@silby.com
Cc:        stable@freebsd.org
Subject:   RE: Ok, are all the panics fixed now?
Message-ID:  <FE045D4D9F7AED4CBFF1B3B813C85337019192CF@mail.sandvine.com>

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> From: Tor Egge [mailto:Tor.Egge@cvsup.no.freebsd.org]
[snip]
> 
> The main problem here is that we've got code running without 
> splvm() protection
> that depends on PMAP1 being unchanged at the same time as we 
> have interrupts
> changing PMAP1.

These comments seem to pertain to UP code.  Was it fixed for SMP also?

> Without the PAE MFC patch, the interrupt would change PMAP1 
> while the functions
> accessing page tables without splvm() protection would use 
> the per-vmspace
> APTpde/APTmap.

Can you please clarify which files/versions contain the bug and the fix.

Thanks,
David Dolson (ddolson@sandvine.com, www.sandvine.com)



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