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SubjectRe: ata_piix 2.6.25 sata failure
Hi Tejun,

Matthieu CASTET wrote:
> Hi,
>
> the 2.6.25 from debian fail to make work the second port. I got a "SATA
> link down (SStatus 61 Scontrol 30)" for ata2. ata1 got "SATA link up 3.0
> Gbps (SStatus 13 SControl 30)"
> The 2.6.24 works [1]. But some previous kernel (IRRC 2.6.18) had the
> same problem, ie ata2 doesn't work.
>
I saw you post a patch for macbook for correcting a bug with ata_ppiix.
But it doesn't seem the same problem. I don't get 0 but others values.

May be a problem occurs when merging the master and slave status register ?


Any idea how to debug this.

For information this happen on a HP Compaq dc7700p, and there no way on
the bios to change the controller to ahci mode


Thanks

Matthieu



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