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SubjectNailing e820 memory detection
Date
"Somebody" here...

I've never been convinced that I understood what was going on with Tigran's
problem. I'm particularly bothered by his temp fix, which, afaik, should
have been a nop.

From previous Tigran posts:

> > 2.3.25-pre1 says:
> >
> > e820: 0009f800 @ 00000000 (usable)
> > e820: 00000800 @ 0009f800 (reserved)
> > e820: 00010000 @ 000f0000 (reserved)
> > e820: 03f00000 @ 00100000 (usable)
> > e820: 00010000 @ fec00000 (reserved)
> > e820: 00010000 @ fee00000 (reserved)
> > e820: 00080000 @ fff80000 (reserved)
> > e820: 00000000 @ 00000000 (usable)
> >
> > Memory: 49088k/917504k available (0k kernel code, 0k reserved, 0k data,
0k
> > init, 0k highmem)

> Interestingly, if one manually forces "mem=64M" at boot, it works. So, I
> am satisfied with 2.3.25 (i.e. all known to me problems since 2.3.18 are
> gone, except the larg disk stuff but "linear" option in LILO workarounds
> it (with a dangerous kernel message but my systems usually live not
> much longer than a few days so a complete reinstall will cure it anyway)).

The only odd thing is that length 0 region at the end, which my patch will
stomp all over, but I can't see in current code that it should matter. Or
did I miss a fencepost?

Nathan



-----Original Message-----
From: orc@pell.portland.or.us [mailto:orc@pell.portland.or.us]
Sent: Wednesday, December 15, 1999 3:10 AM
To: x-linux-kernel@vger.rutgers.edu
Subject: Re: Ok, making ready for pre-2.4 and code-freeze..


In article
<linux.kernel.Pine.SCO.3.94.991215084619.7866H-100000@tyne.london.sco.com>,
Tigran Aivazian <tigran@sco.COM> wrote:

>b) e820 memory sizing is broken on Compaq Proliant/1600

Well, I'd put a patch in, but someone else wants to take over the memory
detection stuff so I'm not sure if our patches would collide with each
other or not.

____
david parsons \bi/ E820 is a little bit of a tarbaby.
\/

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