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From: Matthieu CASTET <matthieu.castet@parrot.com>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
	Tejun Heo <htejun@gmail.com>
Subject: Re: ata_piix 2.6.25 sata failure
Date: Thu, 15 May 2008 09:41:29 +0200	[thread overview]
Message-ID: <482BE929.7090009@parrot.com> (raw)
In-Reply-To: <482949CB.7000208@parrot.com>

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


  reply	other threads:[~2008-05-15  7:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-13  7:56 ata_piix 2.6.25 sata failure Matthieu CASTET
2008-05-15  7:41 ` Matthieu CASTET [this message]
2008-05-15  7:57   ` Tejun Heo
2008-05-15 11:15     ` Matthieu CASTET

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