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

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Message-ID: <CAE2SPAbHxjQm3-z+LRXYBJAVnrwjMn=u=9RFLmZ6hkc8XtNy+w@mail.gmail.com>
Date:	Tue, 31 Jan 2012 10:49:48 +0100
From:	Bastien ROUCARIES <roucaries.bastien@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to
 require PCI reboot

Ping^2

Bastien
On Mon, Jan 23, 2012 at 11:28 AM, Bastien ROUCARIES
<roucaries.bastien@...il.com> wrote:
> On Mon, Jan 16, 2012 at 8:21 PM, H. Peter Anvin <hpa@...or.com> wrote:
>> On 01/16/2012 03:27 AM, Bastien ROUCARIES wrote:
>>>>
>>>> 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
>>>
>>
>> This is particularly so since we are very close to having a full Dell
>> model catalogue in the kernel...
>
> Ping ? Do you need some dump ? testing ?
>
> Bastien
>
>>        -hpa
>>
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