Hmmm, I have to boot over and over again to get the keyboard operating 
long enough in grub to actually scroll down and select a previous 
kernel. The keyboard does operate in bios until it loads grub. When I 
finally use grub to load 2.6.17.11 (instead of 2.6.20.16) it freezes 
before I can hit the enter key to run it. I did get it to run once, but 
as the Ubuntu loading graph appeared, it froze and of course, the 
keyboard didn't function so it requires me to force a powerdown.

In the debug mode using 2.6.20.16, I seem to lose the keyboard, then I 
get the messages:

[106.177115] usb 1-1: device descriptor read/64, error -71
[106.404696] usb 1-1: device descriptor read/64, error -71
[106.810907] usb 1-1: unable to read config index 0 descriptor/all
[106.810965] usb 1-1: can't read configurations, error -84
[106.338980] usb 1-1: device not accepting address 6, error -71
[106.866013] usb 1-1: device not accepting address 6, error -71

It eventually crashes and I have to hard reboot

One side note, it appears grub doesn't like the keyboard plugged into 
the front usb connectors, and it does tell me to plug it into the back. 
Of course, the same problem occurs in all usb ports.


Craig Earon
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Pascal De Vuyst wrote:
> What happens when you boot a previous kernel in the grub menu?
>
> ** Changed in: Ubuntu
>      Assignee: (unassigned) => Pascal De Vuyst
>        Status: New => Incomplete
>
>

-- 
USB Keyboard stopped working
https://bugs.launchpad.net/bugs/130207
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