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Date:	Mon, 16 Jan 2012 00:41:10 +0000
From:	Matthew Garrett <>
To:	bastien ROUCARIES <>
Cc:	"Rafael J. Wysocki" <>,
	"H. Peter Anvin" <>, Ingo Molnar <>,
	Thomas Gleixner <>,
	LKML <>,
Subject: Re: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to
 require PCI reboot

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 <>
> > 
> > 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 
> or

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.

Matthew Garrett |
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