linux-kernel - Re: Quick question about libata and hdparm

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Message-ID: <20090423055618.GA23042@ime.usp.br>
Date:	Thu, 23 Apr 2009 02:56:19 -0300
From:	Rogério Brito <rbrito@....usp.br>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, Jeff Garzik <jeff@...zik.org>,
	Michael Tokarev <mjt@....msk.ru>, Mark Lord <lkml@....ca>,
	linux-kernel@...r.kernel.org
Subject: Re: Quick question about libata and hdparm

Hi, Bart, Alan.

On Apr 21 2009, Bartlomiej Zolnierkiewicz wrote:
> Incremental patch (a certain theory to verify).
(...)
> +	/* FIXME: this thrashes internal UDMA timings previously set by
> +	   controller on SET FEATURES - XFER MODE command "snooping" */
>  	/* The DMA clocks may have been trashed by a reset. FIXME: make conditional
>  	   and move to qc_issue ? */
> -	pdc202xx_set_dmamode(ap, qc->dev);
> +	/* pdc202xx_set_dmamode(ap, qc->dev); */

This didn't work. I still get those same messages. If you want, I can try
compiling the 2.6.30-rc3 kernel that was released now (as I mentioned
before, I was using 2.6.29).

I can test whatever you want me to.


Thanks,

-- 
Rogério Brito : rbrito@...ckenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8
http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito
Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org
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