Re: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known torequire PCI reboot

From: Matthew Garrett
Date: Sun Jan 15 2012 - 19:41:17 EST


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@xxxxxxx>
> >
> > 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.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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