linux-kernel - Re: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to require PCI reboot

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Date:	Mon, 16 Jan 2012 12:35:40 +0100
From:	Bastien ROUCARIES <roucaries.bastien@...il.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org
Subject: Re: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to
 require PCI reboot

Add FACP

2012/1/16 Bastien ROUCARIES <roucaries.bastien@...il.com>:
> On Mon, Jan 16, 2012 at 1:41 AM, Matthew Garrett <mjg59@...f.ucam.org> wrote:
>> On Mon, Jan 09, 2012 at 05:00:08PM +0100, bastien ROUCARIES wrote:
>>> Le Wednesday 16 November 2011 00:19:51, Rafael J. Wysocki a écrit :
>>> > From: Rafael J. Wysocki <rjw@...k.pl>
>>> >
>>> > Dell OptiPlex 990 is known to require PCI reboot, so add it to the reboot
>>> > blacklist in pci_reboot_dmi_table[].
>>>
>>>
>>> Sorry to hi jack this thread but it seems that dell made the same crap with my precision T1600. See
>>> http://www.centos.org/modules/newbb/print.php?form=1&topic_id=32948&forum=55&order=ASC&start=0
>>> or
>>> https://bugzilla.redhat.com/show_bug.cgi?id=698239
>>
>> Does it work if you disable VT-d in the firmware? If so, then adding it
>> to the reboot method blacklist is the wrong fix - we need to figure out
>> why VT-d interferes with Dell's reboot code.
>
> Yes it work
>
> I suppose you need DSDT ? Join here
>
>>
>> --
>> Matthew Garrett | mjg59@...f.ucam.org

Download attachment "FACP" of type "application/octet-stream" (244 bytes)

Download attachment "FACS" of type "application/octet-stream" (64 bytes)