linux-kernel - Re: sata_mv port lockup on hotplug (kernel 2.6.38.2)

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Message-ID: <20110423005647.GD1576@mtj.dyndns.org>
Date:	Sat, 23 Apr 2011 02:56:47 +0200
From:	Tejun Heo <htejun@...il.com>
To:	Mark Lord <kernel@...savvy.com>
Cc:	Bruce Stenning <b.stenning@...igovision.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	Justin Maggard <jmaggard10@...il.com>
Subject: Re: sata_mv port lockup on hotplug (kernel 2.6.38.2)

On Fri, Apr 15, 2011 at 11:36:38AM -0400, Mark Lord wrote:
> On 11-04-15 09:21 AM, Bruce Stenning wrote:
> ..
> > sata_mv 0000:00:04.0: Gen-II 32 slots 4 ports SCSI mode IRQ via INTx
> ..
> > 
> > I had noticed occasional messages similar to the following earlier in the week:
> > 
> > ata4.00: limiting speed to UDMA/100:PIO4
> 
> Ugh.   Tejun:  that's just plain silly.
> Why would we EVER EVER EVER fall back to "PIO" for SATA ???

Nah, it's just printing both DMA and PIO speed settings.  It's limited
to UDMA/100 not PIO4.

Thanks.

-- 
tejun
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