From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1QwJnP-0004Wo-2s for garchives@archives.gentoo.org; Wed, 24 Aug 2011 20:11:31 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 7AF5A21C269; Wed, 24 Aug 2011 20:11:19 +0000 (UTC) Received: from mail-qw0-f53.google.com (mail-qw0-f53.google.com [209.85.216.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 30AD521C08A for ; Wed, 24 Aug 2011 20:10:18 +0000 (UTC) Received: by qwb7 with SMTP id 7so1254135qwb.40 for ; Wed, 24 Aug 2011 13:10:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=yjBrJBhuQ/R14god3PNmF3f1bnxjyw+M6pqvKmlcmkA=; b=WYo09+CubFkzAGMlz9UPT+RYJmxnFsCghMg5XbgHFDgTwsK3dlMW49Y0MrIJYGC15a 2Hvayjp8wTHEoZ2+eINDN5RFV9uA0VjaZs6T4Cv5ivuZCj8tw45ZgXZVJJRAFhFzq2Ec cvoRiln6SXTis1KK9gtnkBj8Y5vZ9XHR9E3Uw= Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.224.200.130 with SMTP id ew2mr3707398qab.212.1314216614863; Wed, 24 Aug 2011 13:10:14 -0700 (PDT) Received: by 10.224.80.145 with HTTP; Wed, 24 Aug 2011 13:10:14 -0700 (PDT) In-Reply-To: References: Date: Wed, 24 Aug 2011 13:10:14 -0700 Message-ID: Subject: Re: [gentoo-user] CONFIG_IOMMU_SUPPORT??? From: Mark Knecht To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 X-Archives-Salt: X-Archives-Hash: 64f63b8ee955b787ebca1a8b24913335 On Wed, Aug 24, 2011 at 12:55 PM, Paul Hartman wrote: > On Wed, Aug 24, 2011 at 2:13 PM, Mark Knecht wrote: >> http://cateee.net/lkddb/web-lkddb/IOMMU_SUPPORT.html >> >> which seem to indicate that I should see an IOMMU option somewhere in >> the drivers section of the kernel config. I do not, however, find that >> right now which is why I came here to ask. > > It looks to me like the specific option CONFIG_IOMMU_SUPPORT was just > added for kernel 3.1, so you won't see it until then. It even mentions > it on the page you linked to:: "found in Linux kernels: 3.1-rc+HEAD" > > It appears virtualbox-modules 4.1.0 doesn't check this. Maybe 4.1.2 is > developed against the 3.1 kernel... Maybe you should switch to the > latest git kernel, if you dare, or maybe you could mask the vbox > modules 4.1.2 and use 4.1.0 instead? I'm not a virtualbox user so I > have no idea if that's a reasonable suggestion or not, but I'm just > throwing it out there. :) > > Thanks for the insights Paul. I'll roll back to a slightly earlier version of Virtualbox which will likely solve the problem. Cheers, Mark