[ltp] USB issues after suspend to RAM with recent kernels on T60

[Henrique de Moraes Holschuh]

On Thu, 18 Mar 2010, Jan Kundrát wrote:
> * Machine is running standalone, that is, not docked and with no power
> adaptor. I plug a USB mouse to a USB port right on the machine, suspend,
> to RAM. The light on the mouse shuts down. However, when I resume, the
> LED in the mouse temporarily lights, but goes off after a while. I have
> to plug it off and back in in order to get it to work.

Looks like USB autosuspend getting enabled on buggy hardware that can't deal
with it (your mouse).

The real problem might be something else, and it could be a kernel bug, but
it DOES look like USB autosuspend getting enabled and killing your mouse.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh