Hi Andy,

On Mon, 10 Aug 2026 at 14:46, Andy Shevchenko
<[email protected]> wrote:
>
> On Mon, Aug 10, 2026 at 11:44:53PM +0300, Andy Shevchenko wrote:
> > On Mon, Jul 27, 2026 at 02:53:27PM -0600, Simon Glass wrote:
> > > On Mon, 20 Jul 2026 at 14:03, Andy Shevchenko
> > > <[email protected]> wrote:
> > > > On Mon, Jul 20, 2026 at 10:14:01AM -0600, Simon Glass wrote:
> > > > > On Sun, 5 Jul 2026 at 04:42, Simon Glass <[email protected]> wrote:
>
> ...
>
> > > > > > +# Intel Edison (Merrifield/Tangier); U-Boot sent over DFU into 
> > > > > > eMMC u-boot0
> > > > > > +edison:
> > > > > > +  variables:
> > > > > > +    ROLE: edison
> > > > > > +  <<: *sjg_lab_dfn
> > > > >
> > > > > Unfortunately somehow the board seems to have died - does not appear
> > > > > on USB anymore...perhaps it doesn't like all the cycling in the lab?
> > > >
> > > > Do you have external power supply connected?
> > > > It might be this:
> > > > https://edison-fw.github.io/edison-wiki/edison-fixup
> > >
> > > Thanks for the pointer...I do see the board power up though ("Ready to
> > > receive application") so that should mean that power is OK? I don't
> > > have external power, just relying on USB power (which I can turn on
> > > and off for this port).
> > >
> > > I basically see this at present:
> > >
> > > $ ub-int edison
> > > Building U-Boot in current dir for edison
> > > Bootstrapping U-Boot from dir /tmp/b/edison
> > > USB resource not available; retrying reset with longer delays
> > > Recovering Edison via the xfstk BootROM downloader
> > >
> > > XFSTK Downloader Solo 0.0.0
> > > Copyright (c) 2015 Intel Corporation
> > > Build date and time: May  2 2020 10:22:27
>
> And just noticed this. Do you use xFSTK from our GitHub page (edison-fw)?
>
> > > Intel SoC Device Detection Failed: Attempt #0
> > > Intel SoC Device Detection Failed: Attempt #1
> > > Intel SoC Device Detection Failed: Attempt #2
> > > Intel SoC Device Detection Failed: Attempt #3
> > > Intel SoC Device Detection Failed: Attempt #4
> > > Intel SoC Device Detection Failed: Attempt #5
> > > Intel SoC Device Detection Failed: Attempt #6
> > > Intel SoC Device Detection Failed: Attempt #7
> > > Intel SoC Device Detection Failed: Attempt #8
> > > Intel SoC Device Detection Failed: Attempt #9
> >
> > Hmm... Have you checked with `lsusb`? Is it there with the proper IDs?
> >
> > > I suppose something could have happened to the relays or cables...
> >
> > Often we saw shitty USB cables. Other than that I have no ideas, but
> > in case you will attend Kernel Recipes in Paris I can bring a new one
> > to you. I'm not sure about LPC, though.
> >
> > Ah, one thing is the eMMC that theoretically can go away. But I never heard
> > of a such in conjunction with Intel Edison.

Just to follow up, I ended up having to replace the module as it was
not providing a USB device. The new one is working, at least for now:

http://lab.deinde.dev/

Thanks for your help!

Regards,
Simon

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