This is probably better reported to chromium-os-dev@chromium.org, as futility is maintained there.

On Mon, Apr 24, 2023 at 3:16 AM Fritz Koenig <frkoenig@chromium.org> wrote:
Hi,

I ran into the following error message:

# futility gbb --set --flash --flags=0x39
INFO: write_system_firmware: flashrom -w <IMAGE> -p host -i GBB
FAILED at 0x003f5000! Expected=0xff, Found=0x24, failed byte count
from 0x003f5000-0x003f5fff: 0xffd
 ERASE_FAILED
FAILED!
Uh oh. Erase/write failed.
Your flash chip is in an unknown state.
Please report this to the mailing list at flashrom@flashrom.org or
on IRC (see https://www.flashrom.org/Contact for details), thanks!

Is that enough information?  Is there something else that I can share?
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