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Re: memory management issue (Re: another regression on Efika)

From: Robert Millan
Subject: Re: memory management issue (Re: another regression on Efika)
Date: Sat, 14 Jul 2007 00:08:30 +0200
User-agent: Mutt/1.5.13 (2006-08-11)

On Tue, Jul 10, 2007 at 03:32:30PM -0500, Hollis Blanchard wrote:
> > > In short, whatever is causing these crashes is not only an Efika issue.
> > > I suspect Apple, or Apple powerbooks at least, are also affected. I got
> > > Sjoerd to try this on his powerbook, and he confirms this fixes for him.
> > > Paul also tried, with the same results. Not all the powerbooks are the
> > > very same model, there are different model revisions involved.
> > 
> > The error Jordi was seeing before reverting your commits was very similar to
> > what I get on my Efika (something like "claim failed").
> > 
> > Hollis, do you still think this is a firmware bug?
> Could somebody please debug it and report back if it is really a GRUB
> issue? It could be as simple as adjusting the link address, or it could
> mean instrumenting grub_available_iterate() and checking that output
> with the contents of /memory/available.

It turns out that grub_claim_heap() was asked to claim a region that starts
after the heap limit.  The start address (0x19111e4) is correctly obtained
from /memory/available.

Should heap limit be increased?

Robert Millan

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