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Date: Fri, 20 Jul 2007 15:39:48 +0200
From: Gabriel C <nix.or.die@googlemail.com>
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To: Felipe Contreras <felipe.contreras@gmail.com>
CC: lkml <linux-kernel@vger.kernel.org>, Alan Cox <alan@redhat.com>,
       Jeff Garzik <jeff@garzik.org>
Subject: Re: ata_piix broken in 2.6.22
References: <94a0d4530707200626r2b50146bs55e268033ceab4b0@mail.gmail.com>
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Felipe Contreras wrote:
> Hi,

Hi ,

> 
> Since I updated to 2.6.22 everything has been slower and I think this
> is the reason:
> 
> ata_piix 0000:00:1f.2: version 2.11
> ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
> ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 16 (level, low) -> IRQ 16
> ata_piix 0000:00:1f.2: 0x1F0 IDE port busy
> ata_piix 0000:00:1f.2: 0x170 IDE port busy
> ata_piix 0000:00:1f.2: no available legacy port
> 
> I tried to apply the patch d583bc18812f8da52bf25eef9cd111e5fd46a6ab,
> but I get a similar error:
> 
> ata_piix 0000:00:1f.2: version 2.11
> ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
> ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 16 (level, low) -> IRQ 16
> PCI: Unable to reserve I/O region #1:8@1f0 for device 0000:00:1f.2
> ata_piix 0000:00:1f.2: failed to request/iomap BARs for port 0 (errno=-16)
> PCI: Unable to reserve I/O region #3:8@170 for device 0000:00:1f.2
> ata_piix 0000:00:1f.2: failed to request/iomap BARs for port 1 (errno=-16)
> ata_piix 0000:00:1f.2: no available native port
> 
> I think I'm not the only one with that problem:
> http://www.dellcommunity.com/supportforums/board/message?board.id=sw_linux&thread.id=10825
> 
> Any hints?
> 

Guessing you are using and SATA/PATA controller ?

Combined mode got removed in 2.6.22 and depending on your config things will break.

As example CONFIG_IDE=y  BLK_DEV_PIIX=y , ATA=y , ATA_PIIX=Y worked in <2.6.22 but won't on .22.

If you want to use libata try to boot with ideX=noprobe ideY=noprobe


Gabriel