Re: [gentoo-user] CONFIG_IOMMU_SUPPORT???

[Mark Knecht <markknecht@gmail.com>]

On Wed, Aug 24, 2011 at 12:55 PM, Paul Hartman
<paul.hartman+gentoo@gmail.com> wrote:
> On Wed, Aug 24, 2011 at 2:13 PM, Mark Knecht <markknecht@gmail.com> 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