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Date:      Wed, 3 Jul 2002 18:02:46 -0700 (PDT)
From:      Julian Elischer <julian@elischer.org>
To:        Peter Wemm <peter@wemm.org>
Cc:        Alan Cox <alc@cs.rice.edu>, Julian Elischer <julian@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/i386/i386 pmap.c 
Message-ID:  <Pine.BSF.4.21.0207031758040.3993-100000@InterJet.elischer.org>
In-Reply-To: <20020704005141.5C4FE390F@overcee.wemm.org>

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I had exactly that problem on 386..
I just fixed it there..
in pmap.c

I'm just testing now before looking at alpha..

It'll be the same problem in pmap_dispose_thread.
I think the code is almost identical in all cases..
it was due to confusion in adjusting for the guard page..

I was going to apply the same patches that I just applied to i386
but if you want you can do it..
(the first patches were cleanups as I was struggling to find the problem.
and th elast commit is the fix)


On Wed, 3 Jul 2002, Peter Wemm wrote:

> Julian Elischer wrote:
> > I think I just fixed it..
> 
> Where? You haven't committed outside of i386/i386 for a while...
> 
> alpha/pmap.c:
> revision 1.94
> date: 2002/06/29 17:26:11;  author: julian;  state: Exp;  lines: +14 -7
> Part 1 of KSE-III
> 
> It hasn't been touched since last month..
> 
> > On Wed, 3 Jul 2002, Peter Wemm wrote:
> > 
> > > Julian Elischer wrote:
> > > > hmmm seemed to work here....
> > > > 
> > > > let me see if I've left out part of the patch or something..
> > > 
> > > beast.freebsd.org is panicing with things like this:
> > > panic: pmap_dispose_thread: kstack already missing?
> > > 
> > > Are you keeping these changes in sync on all platforms?
> > >  
> > > > On Wed, 3 Jul 2002, Alan Cox wrote:
> > > > 
> > > > > On Wed, Jul 03, 2002 at 01:06:39PM -0700, Julian Elischer wrote:
> > > > > > julian      2002/07/03 13:06:39 PDT
> > > > > > 
> > > > > >   Modified files:
> > > > > >     sys/i386/i386        pmap.c 
> > > > > >   Log:
> > > > > >   Remove vestiges of old code...
> > > > > >   These functions are always called on new memory so they can
> > > > > >   not already be set up, so don't bother testing for that.
> > > > > >   (This was left over from before we used UMA (which is cool))
> > > > > >   
> > > > > >   Revision  Changes    Path
> > > > > >   1.328     +12 -21    src/sys/i386/i386/pmap.c
> > > > > 
> > > > > I just got a "pmap_new_thread: kstack allocation failed" doing
> > > > > a "buildworld" after this change.
> > > > > 
> > > > > Alan
> > > > > 
> > > > 
> > > > 
> > > 
> > > Cheers,
> > > -Peter
> > > --
> > > Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
> > > "All of this is for nothing if we don't go to the stars" - JMS/B5
> > > 
> > > 
> > 
> > 
> 
> Cheers,
> -Peter
> --
> Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
> "All of this is for nothing if we don't go to the stars" - JMS/B5
> 
> 


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