linux-kernel - Re: 2.6.22.5 SATA Failure

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Date:	Sat, 25 Aug 2007 22:27:41 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Dong Feng <middle.fengdong@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: 2.6.22.5 SATA Failure

Dong Feng wrote:
> I have been using 2.6.21.1. It seems working well, that is, all my
> disk partitions are mapped as "/dev/sda*" and the performance looks
> good. After I upgrade to 2.6.22.5 with the exact same configuration,
> all the disk device turn to "/dev/hda*" and the performance degrade
> obviously.
> 
> While I boot with 2.6.21.1, the logs regarding disk are:
> 
> Aug 26 06:11:26 localhost kernel: ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
> Aug 26 06:11:26 localhost kernel: ACPI: PCI Interrupt 0000:00:1f.2[B]
> -> GSI 17 (level, low) -> IRQ 17
> Aug 26 06:11:26 localhost kernel: ata: 0x170 IDE port busy
> Aug 26 06:11:26 localhost kernel: ata: conflict with ide1
> Aug 26 06:11:26 localhost kernel: ata1: SATA max UDMA/133 cmd
> 0x000101f0 ctl 0x000103f6 bmdma 0x0001bfa0 irq 14
> Aug 26 06:11:26 localhost kernel: ata2: DUMMY
> Aug 26 06:11:26 localhost kernel: scsi0 : ata_piix
> Aug 26 06:11:26 localhost kernel: ata1.00: ATA-7: ST9120821AS, 8.03,
> max UDMA/133
> Aug 26 06:11:26 localhost kernel: ata1.00: 234441648 sectors, multi 8:
> LBA48 NCQ (depth 0/32)
> Aug 26 06:11:26 localhost kernel: ata1.00: configured for UDMA/133
> Aug 26 06:11:26 localhost kernel: scsi1 : ata_piix
> Aug 26 06:11:26 localhost kernel: scsi 0:0:0:0: Direct-Access     ATA
>     ST9120821AS      8.03 PQ: 0 ANSI: 5
> Aug 26 06:11:26 localhost kernel: SCSI device sda: 234441648 512-byte
> hdwr sectors (120034 MB)
> Aug 26 06:11:26 localhost kernel: sda: Write Protect is off
> Aug 26 06:11:26 localhost kernel: SCSI device sda: write cache:
> enabled, read cache: enabled, doesn't support DPO or FUA
> Aug 26 06:11:26 localhost kernel: SCSI device sda: 234441648 512-byte
> hdwr sectors (120034 MB)
> Aug 26 06:11:26 localhost kernel: sda: Write Protect is off
> Aug 26 06:11:26 localhost kernel: SCSI device sda: write cache:
> enabled, read cache: enabled, doesn't support DPO or FUA
> Aug 26 06:11:26 localhost kernel:  sda: sda1 sda2 sda3 < sda5 sda6 sda7 >
> 
> 
> 
> While booting with 2.6.22.5, the logs are:
> 
> Aug 26 09:30:04 localhost kernel: ACPI: PCI Interrupt 0000:00:1f.2[B]
> -> GSI 17 (level, low) -> IRQ 17
> Aug 26 09:30:04 localhost kernel: ata_piix 0000:00:1f.2: 0x1F0 IDE port busy
> Aug 26 09:30:04 localhost kernel: ata_piix 0000:00:1f.2: 0x170 IDE port busy
> Aug 26 09:30:04 localhost kernel: ata_piix 0000:00:1f.2: no available
> legacy port
> 
> 
> 
> It seems the dramatic change in libata.c incurs this failure.

It looks like you have some CONFIG_IDE options enabled in your kernel 
configuration that result in drivers/ide trying to drive part or all of 
that controller, preventing libata from doing so. Likely the easiest 
thing to do is just set CONFIG_IDE=n entirely..

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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