RE: Possible regression of LBA48 support for piix

From: Romain Kubany
Date: Thu Dec 17 2009 - 07:07:54 EST


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@xxxxxxxxx] De la part de Jeff Garzik
Envoyé : jeudi 17 décembre 2009 13:06
À : Romain Kubany
Cc : Mikael Pettersson; linux-kernel@xxxxxxxxxxxxxxx; linux-ide@xxxxxxxxxxxxxxx
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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