linux-kernel - Re: "qc timeout" error in sata

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Message-ID: <4518B831.8060109@gmail.com>
Date:	Tue, 26 Sep 2006 14:18:41 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Timur Tabi <timur@...escale.com>
CC:	linux-kernel@...r.kernel.org,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>
Subject: Re: "qc timeout" error in sata_sil 3114 driver, 2.6.18

[cc'ing linux-ide]

Timur Tabi wrote:
> I'm working on a new PowerPC board (8349 based) with a Silicon Image 
> 3114 SATA controller
> connected to a Hitachi drive.  When the sata_sil driver loads and tries 
> to find the device,
> I get "qc timeout" errors.  I don't know a lot about SATA.  Can anyone 
> give me a clue as
> to what could be wrong?

Several questions.

1. does any previous kernel version work?  say, 2.6.17?
2. can your ppc board do byte-aligned mmio access?
3. it could be irq routing problem.  can you verify that?

-- 
tejun
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