[Techteam] wireless 'lights went out' issue

[Chris Ball]

Hi Dan,

   > libertas reported a lot of unknown event ids, then commands timed
   > out, then the kernel reset it via EC. The USB device disconnected,
   > came back a few seconds later, and it reestablished a connection.

   > About an hour later, the same happened, it got reset again. The USB
   > device disconnected but did not come back. Kernel reports a trace
   > saying

   > INFO: task khubd:313 blocked for more than 120 seconds Trace
   > includes: destroy_workqueue lbs_remove_card lbs_stop_card
   > if_usb_disconnect usb_disconnect

   > Now the whole USB bus is zonked, so I can't transfer the logs over
   > until reboot.

This is exactly http://dev.laptop.org/ticket/7973.

- Chris.
-- 
Chris Ball   <cjb at laptop.org>