On Mon, Oct 22, 2018 at 10:40:23AM -0300, Franz wrote:
> On Mon, Oct 22, 2018 at 10:29 AM unman <un...@thirdeyesecurity.org> wrote:
> 
> > On Mon, Oct 22, 2018 at 09:13:46AM -0300, Franz wrote:
> > > On Mon, Oct 22, 2018 at 12:42 AM taii...@gmx.com <taii...@gmx.com>
> > wrote:
> > >
> > > > No it won't.
> > > >
> > > > Expresscard > PCI-e
> > > >
> > > > PCI anything WILL NOT WORK - ALL IN SAME IOMMU GROUP.
> > > >
> > > > Save money buy one marketed for egpu gaming for $100 or so from bplus
> > > > tech taiwan - expresscard>pci-e then buy a Sonnet Allegro Pro which is
> > 4
> > > > separate USB controllers which will work fine AS LONG AS YOUR LAPTOPS
> > > > ROOT PORTS SUPPORT ACS otherwise it won't work they will all be the
> > same
> > > > group. I have no idea what laptops do however.
> > > >
> > > >
> > > It seems my processor i7 3520m does not support ACS. So this should mean
> > > that even if I use 4 different PCI cards, in the best case scenario they
> > > can only be assigned to the same VM.
> > >
> > > On the same laptop Lenovo x230 a similar problem was that it has two
> > native
> > > USB controllers, but there is some connection between them so that they
> > can
> > > only be assigned to the same VM.
> > >
> >
> > Not in my experience with x230. Three controllers, and you can separate
> > ports on Left and Right between two usbVM.
> >
> 
> with 3.2 or 4?
> I tried various times with 3.2 and it replies something like that it does
> not want to do that because the two controllers are somehow connected and
> therefore there is a security risk isolating them when they are not really
> isolated.
> 
> But of course you understand all that much better than me Unman :-)
> 

Blind leading the blind, I'm afraid.

This is with 4. I'll try it with 3.2.1 in the morning.

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