ukbd attachment and root mount

Andriy Gapon avg at freebsd.org
Wed Dec 2 09:59:52 UTC 2009


on 28/11/2008 15:12 Andriy Gapon said the following:
> 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?

Just wanted to followup on this and let you know that the issue seems to be
resolved in stable/8, I think that early usb takeover change might have fixed it.
The change is not in 8.0.

> 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


More information about the freebsd-hackers mailing list