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

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Message-ID: <20110613104856.GC16021@htj.dyndns.org>
Date:	Mon, 13 Jun 2011 12:48:56 +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>,
	Jeff Garzik <jgarzik@...ox.com>
Subject: Re: sata_mv port lockup on hotplug (kernel 2.6.38.2)

Hello,

On Sun, Jun 12, 2011 at 01:10:35PM -0400, Mark Lord wrote:
> On 11-06-11 08:19 AM, Tejun Heo wrote:
> > On Fri, Jun 10, 2011 at 01:32:22PM -0400, Mark Lord wrote:
> >>> I don't think it would be wise to include the patch for -stable tho.
> >>> It's not a regression fix and has some possibility of introducing
> >>> regressions, so....
> >>
> >> Not a regression fix?  Excuse me?
> >> SATA hotplug always used to work fine,
> >> and is more or less essential to reboot-free operations.
> > 
> > There are two separate patches.  One is a fix which got pushed to
> > Linus by Jeff early yesterday.  The other changes behavior which has
> > been like that since the beginning of EH.  The former is marked
> > properly w/ -stable.  The latter shouldn't be in -stable.
> 
> Peachy.  Got links for each of those?
> I may try them with the sata_sil board that was having issues earlier.

The fix is

 http://article.gmane.org/gmane.linux.ide/49615

and the behavior change is

 http://article.gmane.org/gmane.linux.ide/49613

-- 
tejun
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