Thanks Aleksander. I checked build logs and indeed, configure log said:
  modemmanager-1: no
I re-run networkmanager recipe and it switched to "yes". I don't know how
this can happen.

There is no explicit "--with-modem-manager-1" in the networkmanager recipe
(meta-openembedded layer), so most likely this information has been taken
from ModemManager libraries. I do have my own overlay recipe for
networkmanager that just makes one patch that edit dhclient.conf file for
providing mac address for client identification. So, that recipe overlay
just feeds one patch and does not touch to configuration at all.

Anyhow, now I re-built the image and it seems now working. Thank you for
your help.

Best regards,
Matti

2016-03-14 22:11 GMT+02:00 Aleksander Morgado <[email protected]>:

> On Mon, Mar 14, 2016 at 2:55 PM, matti kaasinen
> <[email protected]> wrote:
> > In fact there are two more messages preceding those ones I mentioned
> before,
> > but I guess they have nothing to do with this problem. I'll get following
> > messages, if I have MM running from boot:
> >
> > src/nm-udev-manager.c:568] handle_uevent(): UDEV event: action 'add'
> subsys
> > 'net' device 'wwan0'
> > src/nm-udev-manager.c:477] net_add(): (wwan0): ignoring interface with
> > devtype 'wwan'
> > src/modem-manager/nm-modem-manager.c:280] poke_modem_cb(): Requesting to
> > (re)launch modem-manager...
> > src/modem-manager/nm-modem-manager.c:280] poke_modem_cb(): Requesting to
> > (re)launch modem-manager...
> > src/modem-manager/nm-modem-manager.c:280] poke_modem_cb(): Requesting to
> > (re)launch modem-manager...
>
> That is trying to launch the old ModemManager, which has a different bus
> name.
>
> You need to configure NetworkManager explicitly with
> "--with-modem-manager-1", or explicitly add ModemManager libraries as
> build dependency on your yocto recipe, so that the requirement of
> "--with-modem-manager-1" is detected automatically.
>
> --
> Aleksander
> https://aleksander.es
>
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