ukbd attachment and root mount

[Andriy Gapon]

on 27/11/2008 15:23 Andriy Gapon said the following:
> I increased debug level in uhub and also switched mouse and keyboard
> ports hoping that order might matter. It didn't.
> 
> Here's fresh usbdevs output snippet:
> Controller /dev/usb2:
> addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
> Intel(0x0000), rev 1.00
>   uhub2
>  port 1 addr 3: low speed, power 100 mA, config 1, USB Keyboard(0x0101),
> CHESEN(0x0a81), rev 1.10
>    ukbd0
>    uhid0
>  port 2 addr 2: low speed, power 98 mA, config 1, USB-PS/2 Optical
> Mouse(0xc040), Logitech(0x046d), rev 24.30
>    ums0
> 
> And here's a new snippet from cold explore dmesg:
> uhub2: uhub_explore: port 1 status 0x0100 0x0001
> + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> + So, hm, it looks like a change in connection status is reported but
> current status is reported as not connected.
> + I wonder why?

For now I am blaming this on the keyboard. My wild un-educated guess is
that it takes it too long to come back after controller reset. I don't
have any other explanation at the moment.

I'll try to get another keyboard (from different vendor) and play with it.


-- 
Andriy Gapon