Messages in this thread | | | Date | Mon, 7 Nov 2011 13:59:24 +0000 | From | Matthew Garrett <> | Subject | Re: [PATCH] X86: Solve Dell Latitudes do not reboot on x86_64 more generally |
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On Sat, Nov 05, 2011 at 01:44:03AM +0100, Thomas Renninger wrote: > There are quite some reports that those do not reboot: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/833705 > ->E6520, E6220 > http://www.linux-club.de/viewtopic.php?f=29&t=114459&start=20 > ->E5520 > and some more already are blacklisted
It's a bug in the SMM code on these machines, and it goes away if you disable VT-D. Let's try to actually fix it rather than adding to the blacklist, otherwise we'll just end up with another batch of broken Dells later on.
-- Matthew Garrett | mjg59@srcf.ucam.org
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