Re: Odp.: 6loWPAN IPSP devices fail to communicate (bluetooth-next 4.14.0-rc7 )

Luiz Augusto von Dentz

Hi Dogiel,

On Tue, Nov 14, 2017 at 1:27 PM, Dogiel Pawel <> wrote:
Hi Luiz,

Thank You for Your response, fix for multi-link setup worked fine for Me.
If you can please then respond to the patch since that seems to be
ignored for now, though it might not be useful in the future.

Now I'm trying to use userspace way with patches for kernel and BlueZ:

After that managed to connect to the devices and can see the bt0 interface but for now I can not ping any device.
Neither if there is one or multiple of them.
Looks like that was not the latest version, let me send a v3 of that.


Od: Luiz Augusto von Dentz <>
Wysłane: 10 listopada 2017 13:03:55
Do: Dogiel Pawel
Temat: Re: [Zephyr-users] 6loWPAN IPSP devices fail to communicate (bluetooth-next 4.14.0-rc7 )

Hi Dogiel,

We will be removing the debugfs in the future, there are actually
patches on the BlueZ mailing to implement it in userspace using the
TUN/TAP driver through the kernel part is still not settle:

In the meantime you may try this:

On Thu, Nov 9, 2017 at 3:54 PM, Dogiel Pawel <> wrote:

I have issue with IPSP devices over 6loWPAN on kernel 4.14.0-rc7.

The thing is that when I connect My Linux machine to one IPSP device using 'debugfs' interface the communication is OK. Pings are working.
But when second IPSP device is connected no pings are received from IPSP devices ('resource unreachable').

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Luiz Augusto von Dentz

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