From: Dominik Brodowski <linux@dominikbrodowski.net>
To: "David Härdeman" <david@2gen.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: IBM Thinkpad G41 PCMCIA problems
Date: Sun, 20 Feb 2005 11:20:59 +0100 [thread overview]
Message-ID: <20050220102059.GA17462@isilmar.linta.de> (raw)
In-Reply-To: <20050220095211.GB12738@hardeman.nu>
On Sun, Feb 20, 2005 at 10:52:12AM +0100, David Härdeman wrote:
> On Sun, Feb 20, 2005 at 09:26:59AM +0000, Russell King wrote:
> >On Sun, Feb 20, 2005 at 10:22:09AM +0100, David Härdeman wrote:
> >>I see the same problem with an IBM Thinkpad G40, and only when there is
> >>1Gb of memory or more in the machine.
> >
> >Check to see if your e820 map has a hole in it, and whether any of
> >your Cardbus bridge memory / region 0 resources appear in it.
> >
> >If your e820 map contains a hole, I'd suspect another buggy bios.
>
> e820 map:
> BIOS-provided physical RAM map:
> BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
> BIOS-e820: 000000000009f000 - 00000000000a0000 (reserved)
> BIOS-e820: 00000000000ce000 - 00000000000d0000 (reserved)
> BIOS-e820: 00000000000dc000 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 000000000f6f0000 (usable)
> BIOS-e820: 000000000f6f0000 - 000000000f700000 (reserved)
> BIOS-e820: 000000000f700000 - 000000003f6f0000 (usable)
> BIOS-e820: 000000003f6f0000 - 000000003f6f8000 (ACPI data)
> BIOS-e820: 000000003f6f8000 - 000000003f6fa000 (ACPI NVS)
> BIOS-e820: 000000003f700000 - 0000000040000000 (reserved)
> BIOS-e820: 00000000ff800000 - 0000000100000000 (reserved)
> 118MB HIGHMEM available.
> 896MB LOWMEM available.
>
> Is the hole between 0x36f6fa000 and 0x3f700000?
>
> And what would be the proper way of fixing it (assuming that IBM won't
> issue a fixed BIOS)?
passing "reserve=0x3f6fa000,0x600" as kernel boot option. Please also post
/proc/iomem for further debugging, especially if this didn't help.
Dominik
next prev parent reply other threads:[~2005-02-20 10:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-20 9:22 IBM Thinkpad G41 PCMCIA problems David Härdeman
2005-02-20 9:26 ` Russell King
2005-02-20 9:52 ` David Härdeman
2005-02-20 10:19 ` Russell King
2005-02-20 10:57 ` David Härdeman
2005-02-20 10:20 ` Dominik Brodowski [this message]
2005-02-20 10:25 ` Russell King
[not found] <3zVzJ-1GD-5@gated-at.bofh.it>
[not found] ` <3zVzM-1GD-17@gated-at.bofh.it>
[not found] ` <3zW2R-1Yl-15@gated-at.bofh.it>
[not found] ` <3zWvU-2tS-25@gated-at.bofh.it>
[not found] ` <3zWYX-2Ob-23@gated-at.bofh.it>
2005-02-21 9:49 ` Bjørn Mork
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