RE: Missing USB devices.

[Melki Christian (consultant)]

> > Hi.
> >
> > I'm running trunk version 5079 on a rather normal PC. EHCI + UHCI
> controller.
> 
> Did it work in earlier versions?

I made a rather big jump...
from a backported usb stack on 1.99 to trunk. :(
Anyway, I solved both my problems.
I solved them both with letting devices settle before using them.
Don't know why, and I don't like the solution either (letting devices settle 
that is...)
The keyboard seems just to take a while to get identified properly.
So I do a sleep interruptible to drive the getkey -> usb_poll and let the 
devices get detected.

If I just do:

insmod ehci
insmod uhci
insmod usb_keyboard

<use getkey here in some program>

things just break... and I get stalls forever from grub when it is trying to 
talk to the keyboard.

If I insert a sleep -i  5 before using it and look at the debug from the 
keyboards I can see that
the keyboards get initialized (takes a while) and then it is perfectly fine to 
use it.

This is ugly, I don't like it and there is atleast one bug or an archtectural 
problem somewhere.
Btw, normal sleep should do the same as interruptible?
Just do the same and throw away the getkey result.
I don't get why they are assymetrical? There is no halt or powersaving anyway.
Normal sleep just stops processing anything since grub is driven from the term 
layer.
That's just annoying.

> 
> > I load all USB drivers including OHCI. Now with this latest version GRUB
> doesn't seem to want to talk to my keyboard anymore.
> > If I replug the device and reload usb_keyboard then it might work, but not
> right off the bat.
> > I also have a CCID smartcard reader and it is the same story there.
> > A normal keyboard plugged while running seems to work just fine though.
> > All devices are listed with the "usb" command. It looks like it can do
> > control transfers but not real transfers. (lost configuration, reset 
> > device?) I
> noticed that Ales had a similar problem with the fuloong device with OHCI. I
> don't run OHCI so...
> >
> > I am a little bit lost