Re: LEAdvertisement interface on older kernels

[Dario Teixeira <dario.teixeira@nleyten.com>]

Hi,

> I've manually compiled the latest Bluez (5.43) on both Raspberry Pi 2
> and Artik 5 systems, as I need the experimental features for BLE 
> enabled.
> While on the Pi things work as expected, on the Artik 5 the 
> "LEAdvertisement"
> interface is not enabled.  Upon closer inspection, the bluetoothd 
> daemon
> on the Artik 5 complains on startup with the following error:
> 
>   "Failed to read advertising features: Unknown Command (0x01)"
> 
> I suspect the problem may be related to the old kernel (3.10.93)
> that ships with the Artik 5, because these features may require
> a more recent kernel.  Is this suspicion correct?  And if so,
> is there any other solution besides attempting to compile a
> newer kernel for the Artik 5?

In the meantime I've found some information which confirms my
initial suspicion: BLE advertising features require kernel >= 4.1,
and therefore it's hopeless to use the Artik 5 for this purpose,
because its heavily patched vendor kernel is stuck at 3.10.93,
possibly forever...

Best regards,
Dario Teixeira