Thanks for your explanation.since the embedded linux version is bound with the chip, I cannot update it easily.So is there any ways to solve this problem without
updating linux version ?
At 2018-08-24 13:24:28, "Johan Hedberg" <johan.hedberg@...> wrote:
>On Thu, Aug 23, 2018, sxzxchen@... wrote:
>> I bought a official nrf52832 development kits and ported zephyr
>> project successfully. It runs fine with my ubuntu host,via btattach
>> and btmgmt tools.But it didn't work with my nxp embedded linux,the
>> linux version is 4.1.15 and supports hciattach hciconfig tools
>> only.When I tried to bring the bluetooth module up with hciconfig hci0
>> up,an error comes up:
>The 4.1 kernel is too old to support controllers without a public
>address. IIRC you need at least a 4.4 kernel, but ideally something much
>newer than that.