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SubjectRe: linux as a minicomputer ?
On Thu, 2002-04-11 at 12:49, Vojtech Pavlik wrote:
> On Thu, Apr 11, 2002 at 05:43:31PM +0100, Dr. David Alan Gilbert wrote:
> > * John P. Looney ( wrote:
> > > Sorry if this isn't the place for this question, but it's something that
> > > came up in general office talk today.
> > >
> > > Many many moons ago, the GGI project promised us the ability to buy a
> > > four-processor box, four PCI video cards, four USB mice & keyboards, and
> > > let four people use that machine at once, with benefits all around.
> >
> > <snip>
> >
> > > Are there any plans to bring this sort of functionality to Linux 2.6 ? As
> > > I remember, some of the problems were that the GGI code was never going to
> > > get into Linux proper, and enumeration of multiple keyboards and mice, but
> > > I would have thought that was there a need, these problems would have been
> > > fixed by now.
> >
> > I'm not sure, but I don't think any code is needed if you run X. Bung
> > four USB mice, four USB keyboards in and four video cards. Write a
> > separate X config for each one specifying which PCI card should be used
> > and which mouse/keyboard device should be used. Now start an X server
> > for each one.
> Doesn't work unfortunately. The separate Xservers stomp on each others
> toes in the process. It works if you use fbcon (thus no acceleration, no
> 3d), USB, and hack the X servers not to switch consoles, and take
> keyboard input from /dev/input/event devices. But that's still far from
> the desired state of things.
why would they step on eachother's toes? You tell each one to goto a
separate vc and give each a separate identifier :2 vt8 :3 vt9 etc. If
each one is using a separate video card, then they should all be able to
run accelerated (no dri) and be fine.

> > (Fun should form in the efforts to figure out which mouse is associated
> > with which keyboard and with which video output).

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