Re: forcing PS/2 USB emulation off

Dmitry Torokhov
2004-10-19T06:48:43Z

On Tuesday 19 October 2004 01:30 am, Vojtech Pavlik wrote:
> On Mon, Oct 18, 2004 at 09:45:39AM -0700, Greg KH wrote:
>
> > I'm a little leary of changing the way the kernel grabs the USB hardware
> > from the way we have been doing it for the past 6 years. So by
> > providing the option for people who have broken machines like these, we
> > will let them work properly, and it should not affect any of the zillion
> > other people out there with working hardware.
> >
> > Or, if we can determine a specific model of hardware that really needs
> > this option enabled, we can do that automatically. If you look at the
> > patch, we do that for some specific IBM machines for this very reason.
> >
> > Is there any consistancy with the type of hardware that you see being
> > reported for this issue?
>
> Like 30% of all notebooks? ;) They do boot without the USB handoff, the
> PS/2 mouse works, but only as a PS/2 mouse, no extended capabilities
> detection is possible due to the BIOS interference.
>

I will send a list of examples tomorrow but so far it includes IBM
Thinkpads, Dells, Sonys, Compaqs, Fujitsus, Toshibas, Supermicro-based
boards and nonames.

We risk growing that DMI list pretty big ;)

--
Dmitry