linux-kernel - Re: Linux detects only 2.6GiB RAM in legacy boot

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Date:	Sat, 19 Jan 2013 16:21:17 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	richard -rw- weinberger <richard.weinberger@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Linux detects only 2.6GiB RAM in legacy boot

On Sat, Jan 19, 2013 at 3:14 PM, richard -rw- weinberger
<richard.weinberger@...il.com> wrote:

> BTW: My BIOS is already the latest version.

[    0.000000] raw: [mem 0x0000000000000000-0x000000000009d7ff] usable
[    0.000000] raw: [mem 0x000000000009d800-0x000000000009ffff] reserved
[    0.000000] raw: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[    0.000000] raw: [mem 0x0000000000100000-0x000000001fffffff] usable
[    0.000000] raw: [mem 0x0000000020000000-0x00000000201fffff] reserved
[    0.000000] raw: [mem 0x0000000020200000-0x0000000040003fff] usable
[    0.000000] raw: [mem 0x0000000040004000-0x0000000040004fff] reserved
[    0.000000] raw: [mem 0x0000000040005000-0x000000008cfaafff] usable
[    0.000000] raw: [mem 0x000000008cfab000-0x00000000dae9efff] reserved
[    0.000000] raw: [mem 0x00000000dae9f000-0x00000000daf9efff] ACPI NVS
[    0.000000] raw: [mem 0x00000000daf9f000-0x00000000daffefff] ACPI data
[    0.000000] raw: [mem 0x00000000dafff000-0x00000000df9fffff] reserved
[    0.000000] raw: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
[    0.000000] raw: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
[    0.000000] raw: [mem 0x00000000fed08000-0x00000000fed08fff] reserved
[    0.000000] raw: [mem 0x00000000fed10000-0x00000000fed19fff] reserved
[    0.000000] raw: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
[    0.000000] raw: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[    0.000000] raw: [mem 0x00000000ffc00000-0x00000000ffffffff] reserved
[    0.000000] raw: [mem 0x0000000100000000-0x000000011e5fffff] usable

so really it is bios problem.

you can request one BIOS update about it or just return it.

Yinghai
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