From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Thomas Renninger <trenn@suse.de>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
linux-acpi@vger.kernel.org, stable@kernel.org
Subject: Re: [PATCH] X86: Solve Dell Latitudes do not reboot on x86_64 more generally
Date: Mon, 7 Nov 2011 13:59:24 +0000 [thread overview]
Message-ID: <20111107135923.GA17060@srcf.ucam.org> (raw)
In-Reply-To: <1320453843-938-1-git-send-email-trenn@suse.de>
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
next prev parent reply other threads:[~2011-11-07 13:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-04 2:29 [PATCH] x86: Fix reboot issue for Dell Optiplex 990 V2 Thomas Renninger
2011-11-04 7:16 ` Ismail Donmez
2011-11-05 0:44 ` [PATCH] X86: Solve Dell Latitudes do not reboot on x86_64 more generally Thomas Renninger
2011-11-07 1:54 ` Len Brown
2011-11-07 13:59 ` Matthew Garrett [this message]
2011-11-07 14:25 ` Thomas Renninger
2011-11-07 14:27 ` Matthew Garrett
2011-11-07 15:09 ` Thomas Renninger
2011-11-07 15:12 ` Matthew Garrett
2011-11-07 17:40 ` Len Brown
2011-11-06 19:48 ` [PATCH] x86: Fix reboot issue for Dell Optiplex 990 V2 Valdis.Kletnieks
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