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Sender: Alexander Motin <mavbsd@gmail.com>
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Date: Wed, 13 Apr 2011 00:02:28 +0300
From: Alexander Motin <mav@FreeBSD.org>
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To: Dmitry Morozovsky <marck@rinet.ru>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org
Subject: Re: svn commit: r220576 - head/sys/dev/ahci
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Dmitry Morozovsky wrote:
> On Tue, 12 Apr 2011, Alexander Motin wrote:
> 
> AM> Author: mav
> AM> Date: Tue Apr 12 20:50:57 2011
> AM> New Revision: 220576
> AM> URL: http://svn.freebsd.org/changeset/base/220576
> AM> 
> AM> Log:
> AM>   Refactor hard-reset implementation in ahci(4).
> AM>   
> AM>   Instead of spinning in a tight loop for up to 15 seconds, polling for device
> AM>   readiness while it spins up, return reset completion just after PHY reports
> AM>   "connect well" or 100ms connection timeout. If device was found, use callout
> AM>   for checking device readiness with 100ms period up to full 31 second timeout.
> AM>   
> AM>   This fixes system freeze for 5-10 seconds on drives hot plug-in.
> 
> Great, thank you!
> 
> Any plans to MFC this?

In 1-2 weeks if everything is fine.

-- 
Alexander Motin