From: Andi Kleen <ak@muc.de>
To: Sergei Haller <Sergei.Haller@math.uni-giessen.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: lost memory on a 4GB amd64
Date: Thu, 16 Sep 2004 09:01:28 +0200 [thread overview]
Message-ID: <m3hdpyy9x3.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <2EWxl-7CI-13@gated-at.bofh.it> (Sergei Haller's message of "Thu, 16 Sep 2004 07:00:11 +0200")
Sergei Haller <Sergei.Haller@math.uni-giessen.de> writes:
> the problem is that about 512 MB of that memory is lost (AGP aperture and
> stuff). Although everything is perfect otherwise.
> As far as I understand, all the PCI/AGP hardware uses the top end of the
> 4GB address range to access their memory and there is just an
> "overlapping" of the addresses. thus only the remaining 3.5 GB are
> available.
It's a BIOS issue. Nothing the kernel can do about it. You are
talking to the wrong people.
-Andi
next parent reply other threads:[~2004-09-16 7:01 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2EWxl-7CI-13@gated-at.bofh.it>
2004-09-16 7:01 ` Andi Kleen [this message]
2004-09-16 12:15 ` Sergei Haller
2004-09-16 12:34 ` Andi Kleen
2004-09-18 14:07 ` Sergei Haller
2004-09-16 4:48 Sergei Haller
2004-09-16 13:30 ` Andrew Walrond
2004-09-16 13:48 ` Andrew Walrond
2004-09-16 14:09 ` Sergei Haller
2004-09-16 14:28 ` Andrew Walrond
2004-09-16 14:56 ` Sergei Haller
2004-09-16 15:19 ` Andrew Walrond
2004-09-16 15:52 ` Sergei Haller
2004-09-18 14:18 ` Sergei Haller
2004-09-19 20:01 ` Jon Masters
2004-09-19 21:47 ` Sergei Haller
2004-09-19 22:00 ` Jon Masters
2004-09-19 22:19 ` Sergei Haller
2004-09-20 10:26 ` Sergei Haller
2004-09-24 4:38 ` Sergei Haller
2004-09-24 8:15 ` Andrew Walrond
2004-09-24 8:23 ` Sergei Haller
2004-09-24 8:31 ` Andrew Walrond
2004-09-24 8:57 ` Sergei Haller
2004-09-24 9:27 ` Rafael J. Wysocki
2004-09-24 9:41 ` Andrew Walrond
2004-09-24 11:42 ` Sergei Haller
2004-09-24 12:15 ` Andrew Walrond
2004-10-22 8:59 ` Sergei Haller
2004-10-22 9:26 ` Andrew Walrond
2004-10-22 18:24 ` Andi Kleen
2004-10-23 10:02 ` Andreas Klein
2004-10-23 16:43 ` Andi Kleen
2004-10-26 11:25 ` Andreas Klein
2004-10-23 10:26 ` Sergei Haller
2004-10-23 16:49 ` Andi Kleen
2004-10-24 9:53 ` Sergei Haller
2004-09-24 11:50 ` Sergei Haller
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