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Date: Mon, 9 Jun 2008 02:48:18 +0100
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>, linux-kernel@vger.kernel.org,
       linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org,
       akpm@linux-foundation.org
Subject: Re: [PATCH] libata: Handle bay devices in dock stations
Message-ID: <20080609014818.GA32083@srcf.ucam.org>
References: <20080528143857.GB5585@homac.suse.de> <4845886E.2010505@garzik.org> <20080603181346.GA5013@srcf.ucam.org> <484C8AE1.3010908@gmail.com>
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On Mon, Jun 09, 2008 at 10:44:01AM +0900, Tejun Heo wrote:

> TF-based ATA controllers are very sensitive to how the registers are 
> accessed and sometimes lock up the whole machine when they are not happy 
> by indefinitely holding the PCI bus.  This could have been the case if 
> IOs were in flight when the dock event occurred.  Were they?

I'd stopped hal, so I can't imagine that userspace was causing any to be 
generated at that point.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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