linux-kernel - Re: Acer Aspire One now hangs on reboot/shutdown

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Message-ID: <w4iprmkfie.wl%peter@chubb.wattle.id.au>
Date:	Fri, 01 Jul 2011 10:31:53 +1000
From:	Peter Chubb <peter.chubb@...ta.com.au>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Peter Chubb <peter.chubb@...ta.com.au>,
	linux-kernel@...r.kernel.org
Subject: Re: Acer Aspire One now hangs on reboot/shutdown

>>>>> "Matthew" == Matthew Garrett <mjg59@...f.ucam.org> writes:

 Matthew> On Thu, Jun 30, 2011 at 05:18:01PM -0700, H. Peter Anvin
 Matthew> wrote:
 >> It might be a RESET versus INIT difference... if the "PCI reboot"
 >> (which is what "ACPI reboot") points to, it might end up pulling
 >> INIT, whereas the keyboard controller pulls RESET.
 >> 
 >> RESET would forcibly initialize the hardware state of the machine,
 >> obviously...

 Matthew> I guess I'm going to have to go back and retest the XP
 Matthew> behaviour. I'd expect this machine to be using the ACPI
 Matthew> vector there too.

This machine was only ever shipped with Linux (Linpus) on it, AFAIK.

Peter C
--
Dr Peter Chubb  http://www.gelato.unsw.edu.au  peterc AT gelato.unsw.edu.au
http://www.ertos.nicta.com.au           ERTOS within National ICT Australia
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