[fedora-arm] Is it possible to boot Samsung Chromebook from USB 3 external hard disk?

Richard W.M. Jones rjones at redhat.com
Sun Aug 25 10:54:01 UTC 2013


On Fri, Aug 23, 2013 at 01:43:57PM +0200, Marcin Juszkiewicz wrote:
> W dniu 08.08.2013 15:11, Richard W.M. Jones pisze:
> 
> > I can't find any documentation that says that the Chromebook
> > definitively cannot boot from USB 3.0 or from external HDDs.  (Also it
> > doesn't work when the same disk is plugged into the USB 2 port).
> 
> Once you enable USB and SD boot ("crossystem dev_boot_usb 1" or sth like
> that) you are able to boot from internal eMMC (Ctrl-D) or SD (Ctrl-U) or
> USB 2.0 port (also Ctrl-U). U-Boot stored in SPI flash does not have
> support for USB 3.0 port.
> 
> But you can boot kernel from eMMC with rootfs on USB 3.0 hard drive.

The hard drive doesn't boot, even when on the USB 2 port.  It
seems this cannot be done, so I've now arranged it to load
the kernel from flash and mount the root disk from the hard disk.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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