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From: Matthew Garrett <mjg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Robert Hancock <hancockr-fVOoFLC7IWo@public.gmane.org>
Cc: Andrew Morton <akpm-3NddpPZAyC0@public.gmane.org>,
	"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
	"Eric W. Biederman"
	<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
	Eduardo Habkost
	<ehabkost-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	"kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	Linux Kernel Mailing List
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Zhao Yakui <yakui.zhao-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Avi Kivity <avi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>,
	Andrey Borzenkov <arvidjaar-JGs/UdohzUI@public.gmane.org>,
	Len Brown <lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 15/15] Revert "x86: default to reboot via ACPI"
Date: Fri, 7 Nov 2008 01:43:42 +0000	[thread overview]
Message-ID: <20081107014342.GA9841@srcf.ucam.org> (raw)
In-Reply-To: <49139A43.4000203-fVOoFLC7IWo@public.gmane.org>

On Thu, Nov 06, 2008 at 07:30:43PM -0600, Robert Hancock wrote:

> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8fd145917fb62368a9b80db59562c20576238f5a
> 
> This patch ignores the RESET_REG_SUP flag and just tries using the reset 
> register anyway if it thinks it's valid. So we may attempt ACPI reset on 
> machines which don't indicate it's supported.

Yeah, that sounds very wrong.

> The patch description mentioned that some machines didn't reboot after 
> S3 suspend without this patch. However, we recently had this patch merged:
> 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a68823ee5285e65b51ceb96f8b13a5b4f99a6888
> 
> Is it possible that the problem fixed there is the true cause of this 
> reboot after S3 problem?

Oh, yeah, could be. Given the From:, I should really have thought of 
that :)

-- 
Matthew Garrett | mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org

  parent reply	other threads:[~2008-11-07  1:43 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <fa.UVpnVba3yRAWG3rGZ0sk20JE9hs@ifi.uio.no>
     [not found] ` <fa.FPBNKx3BSvZHPZ+eXD4Tb+fuRYk@ifi.uio.no>
     [not found]   ` <fa.PvVEuEo+f/t4sLmcGyN2Tsl8zYg@ifi.uio.no>
     [not found]     ` <fa.zzFdOXisTZzBaE1+ueGIYmt+Z5c@ifi.uio.no>
     [not found]       ` <fa.vQ6HVRcPFFr1zpcXFFOjEPtDdNk@ifi.uio.no>
     [not found]         ` <fa.ckUqcrtVKbxAkjNggIdajBTHr9Q@ifi.uio.no>
     [not found]           ` <fa.ckUqcrtVKbxAkjNggIdajBTHr9Q-6miFZF/5cTBuMpJDpNschA@public.gmane.org>
2008-11-07  1:30             ` [PATCH 15/15] Revert "x86: default to reboot via ACPI" Robert Hancock
     [not found]               ` <49139A43.4000203-fVOoFLC7IWo@public.gmane.org>
2008-11-07  1:43                 ` Matthew Garrett [this message]
2008-11-07  1:53                   ` Len Brown
2008-11-08 22:32               ` Rafael J. Wysocki
2008-11-05 19:56 [PATCH 00/15] x86: disable virt on kdump and emergency_restart (v2) Eduardo Habkost
     [not found] ` <1225915018-6548-1-git-send-email-ehabkost-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-11-05 19:56   ` [PATCH 15/15] Revert "x86: default to reboot via ACPI" Eduardo Habkost
     [not found]     ` <1225915018-6548-16-git-send-email-ehabkost-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-11-06  7:14       ` Ingo Molnar
     [not found]         ` <20081106071445.GI15731-X9Un+BFzKDI@public.gmane.org>
2008-11-06 12:40           ` Eduardo Habkost
2008-11-06 14:30             ` Ingo Molnar
     [not found]               ` <20081106143021.GD13023-X9Un+BFzKDI@public.gmane.org>
2008-11-06 15:06                 ` Ingo Molnar
2008-11-06 15:41                   ` Eric W. Biederman
     [not found]                     ` <m1mygczwtu.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-11-06 15:52                       ` Avi Kivity
2008-11-06 15:53                   ` Andrey Borzenkov
2008-11-06 19:50                     ` Len Brown
2008-11-06 21:50                       ` Matthew Garrett
     [not found]                         ` <20081106215011.GA6391-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2008-11-06 22:17                           ` Len Brown
2008-11-06 23:24                             ` Matthew Garrett
2008-11-07  1:01                             ` Zhao Yakui
2008-11-07  0:59                               ` Matthew Garrett
     [not found]                                 ` <20081107005946.GA9254-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2008-11-09 10:11                                   ` Avi Kivity
2008-11-09 10:24                                     ` Matthew Garrett

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