linux-kernel - RE: Possible regression of LBA48 support for piix

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Date:	Thu, 17 Dec 2009 13:07:44 +0100
From:	Romain Kubany <rkubany@...ula.com>
To:	Jeff Garzik <jeff@...zik.org>
CC:	Mikael Pettersson <mikpe@...uu.se>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>
Subject: RE: Possible regression of LBA48 support for piix

Here it is under the 2.6.28 :

# hdparm -I /dev/sda

/dev/sda:

ATA device, with non-removable media
        Model Number:       Virtual HD
        Serial Number:
        Firmware Revision:  1.1.0
Standards:
        Likely used: 2
Configuration:
        Logical         max     current
        cylinders       16383   65535
        heads           16      16
        sectors/track   63      255
        --
        bytes/track: 65024      bytes/sector: 512
        CHS current addressable sectors:  267382800
        LBA    user addressable sectors:  267382800
        device size with M = 1024*1024:      130558 MBytes
        device size with M = 1000*1000:      136899 MBytes (136 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        Buffer size: 64.0kB
        Standby timer values: spec'd by Vendor
        R/W multiple sector transfer: Max = 128 Current = 128
        DMA: sdma0 sdma1 sdma2 mdma0 mdma1 *mdma2
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4
             Cycle time: no flow control=333ns  IORDY flow control=120ns


-----Message d'origine-----
De : Jeff Garzik [mailto:jgpobox@...il.com] De la part de Jeff Garzik
Envoyé : jeudi 17 décembre 2009 13:06
À : Romain Kubany
Cc : Mikael Pettersson; linux-kernel@...r.kernel.org; linux-ide@...r.kernel.org
Objet : Re: Possible regression of LBA48 support for piix

On 12/17/2009 06:03 AM, Jeff Garzik wrote:
> On 12/17/2009 05:04 AM, Romain Kubany wrote:
>> Here is the new kernel config file : http://pastebin.com/f65fd472b
>
> I would definitely be interested in seeing the 'dmesg' output for
> libata, and results from a more recent kernel.

Also, what does 'hdparm -I /dev/XXXX' output look like?

	Jeff




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