[coreboot] HP Pavilion 14 Chromebook - AKA Butterfly

Kyösti Mälkki kyosti.malkki at gmail.com
Mon Oct 21 20:52:03 CEST 2013

On 21.10.2013 15:02, John Lewis wrote:
> <clip>
>> Let's reduce the number of unknowns and try to replicate the setup I
>> have here as close as possible:
>> 1. Use your samsung/lumpy instead of google/butterfly for the testing.
>> 2. Use stty, cat and picocom as described on the wiki page.
>> 3. Install archlinux-arm on the BBB. The one I use has kernel tagged
>> with version string 3.8.13-7-ARCH. With the patches for the gadget
>> driver there is also a pre-built and patched g_dbgp module to be used
>> with this kernel.
>> Kyösti
> Hi Kyösti,
> Trying to load ehci then usbserial_usbdebug module in Grub on Lumpy
> gives "error: no transfer descriptors available for EHCI transfer".
> I've got a more verbose log for Butterfly, and it looks to me as though
> it's having trouble with graphics, as well as not actually loading the
> payload (possibly intertwined?). Help!


Did you get a complete usbdebug log with lumpy? Including the loading of 


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