Re: [PATCH] X86: Solve Dell Latitudes do not reboot on x86_64 more generally

[Thomas Renninger]

On Monday, November 07, 2011 02:59:24 PM Matthew Garrett wrote:
> 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
How do you intend to fix that?
>From description above it sounds as if this problem is not
fixable from OS side.

   Thomas

> rather than adding to the 
> blacklist, otherwise we'll just end up with another batch of broken 
> Dells later on.
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