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From: Frans Pop <elendil@planet.nl>
To: linux-kernel@vger.kernel.org
Cc: Yinghai Lu <yinghai@kernel.org>,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: Linux 2.6.31-rc4: strange change in iomem allocation
Date: Thu, 23 Jul 2009 16:53:48 +0200	[thread overview]
Message-ID: <200907231653.48933.elendil@planet.nl> (raw)
In-Reply-To: <200907231614.23570.elendil@planet.nl>

On Thursday 23 July 2009, Frans Pop wrote:
> I'm seeing the following change in dmesg between -rc3 and -rc4:
> -system 00:0c: iomem range 0xfec00000-0xfec000ff has been reserved
> +system 00:0c: iomem range 0xfec00000-0xfec000ff could not be reserved
>
> There is nothing in the earlier part of dmesg that would explain this
> change.
>
> The change is also visible in /proc/iomem:
>  fec00000-fec00fff : IOAPIC 0
>    fec00000-fec00fff : reserved
> -    fec00000-fec000ff : pnp 00:0c
>
> I somewhat suspect 857fdc53a0a90c3ba7fcf5b1fb4c7a62ae03cf82:
>     x86/pci: insert ioapic resource before assigning unassigned resources

Reverting that commit did indeed restore the old situation.

  parent reply	other threads:[~2009-07-23 14:53 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-23  2:44 Linux 2.6.31-rc4 Linus Torvalds
2009-07-23 14:14 ` Linux 2.6.31-rc4: strange change in iomem allocation Frans Pop
2009-07-23 14:42   ` Yinghai Lu
2009-07-23 15:57     ` Jesse Barnes
2009-07-23 14:53   ` Frans Pop [this message]
2009-07-23 16:12     ` Linus Torvalds
2009-07-23 16:29       ` Linus Torvalds
2009-07-24  4:34         ` David John
2009-07-24  5:51           ` Kind of like the following. Apply if you feel it is ok to _not_ David John
2009-07-24  7:53       ` [PATCH?] Re: Linux 2.6.31-rc4: strange change in iomem allocation Frans Pop
2009-07-24  6:11         ` [PATCH] Remove Spurious PnP Memory Reserved Warning David John
2009-07-25  7:12           ` David John
2009-07-28  4:06             ` [PATCH v2] " David John
2009-07-28 16:31               ` Jesse Barnes
2009-07-29  6:42                 ` David John
2009-08-01 10:56                 ` Frans Pop
2009-08-06 21:41                   ` Jesse Barnes
2009-07-23 17:21 ` Linux 2.6.31-rc4 Krzysztof Olędzki

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