To save others the angst, I just wanted to report that on the latest Mac OS
X (El Capitan 10.11) the Beaglebone Black is currently not usable via the
USB connection, except as a storage device. The alternative is to power it
somehow and connect via Ethernet.
Normally there are two methods of console connection via USB: as a virtual
network device using HoRNDIS or as a virtual serial device using FTDI USB
Serial drivers. Both are thwarted by El Capitan because it enforces kext
signing, but for slightly different reasons:
- HoRNDIS simply hasn't been signed for the latest OS, so refuses to
load. A preview version that is signed has become available (discussed
here:
http://beagleboard.org/Community/Forums?place=topic%2Fbeagleboard%2Fsp3_x1k5WP8%2Fdiscussion
and over at the source: https://github.com/jwise/HoRNDIS/issues/42 ) but it
does not appear to work with the Beaglebone.
- FTDI's drivers contain a long list of recognised chips, but the
Beaglebone isn't one. Adding support is a simple matter of adding the
vendor and product ID to the kext, but unfortunately doing so invalidates
the signature and the kext will no longer load!
If anyone discovers improvements on this state of affairs then please let
us know. I'll do the same.
Regards,
Heath
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