Public bug reported:

Build Version/Date: u-boot-linaro-omap4-panda_2011.07.2-0ubuntu1_armel.deb
Environment used for testing: pandaboard A2

Summary: running usb start twice hangs u-boot at ethernet discovery

Steps to Reproduce: manually interrupt boot and enter "usb start" twice

Expected result: u-boot discovers usb devices and returns for more input

Actual result: u-boot discovers usb devices but hangs attempting to
enumerate the Ethernet device a second time


<START>
...
Panda # usb start
(Re)start USB...
USB:   Register 1313 NbrPorts 3
USB EHCI 1.00
scanning bus for devices... The request port(2) is not configured
The request port(2) is not configured
4 USB Device(s) found
       scanning bus for storage devices... 1 Storage Device(s) found
       scanning bus for ethernet devices... 1 Ethernet Device(s) found
Panda # usb start
(Re)start USB...
USB:   Register 1313 NbrPorts 3
USB EHCI 1.00
scanning bus for devices... The request port(2) is not configured
The request port(2) is not configured
4 USB Device(s) found
       scanning bus for storage devices... 1 Storage Device(s) found
       scanning bus for ethernet devices... 
<HANG>

** Affects: u-boot-linaro (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/820122

Title:
  running usb start twice hangs u-boot at ethernet discovery

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