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@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html