[Sugar-devel] Wanting to know a bit of (NetworkManager) workflow upon resume-from-suspend

[Ajay Garg]

Thanks Paul.

On Tue, May 1, 2012 at 8:03 PM, Paul Fox <pgf at laptop.org> wrote:

> ajay wrote:
>  > Any ideas please, regarding the two latest queries :) ?
>  >
>  > Regards,
>  > Ajay
>  >
>  > On Mon, Apr 30, 2012 at 1:00 PM, Ajay Garg <ajay at activitycentral.com>
> wrote:
>  >
>  > > Thanks Martin and Jon for the replies.
>  > >
>  > > On Sun, Apr 29, 2012 at 3:04 PM, Jon Nettleton <
> jon.nettleton at gmail.com>wrote:
>  > >
>  > >> On Sun, Apr 29, 2012 at 10:04 AM, Martin Abente
>  > >> <martin.abente.lahaye at gmail.com> wrote:
>  > >> > Are you guys still using this?
>  > >> >
>  > >>
>  >
> http://git.sugarlabs.org/dextrose-platform/mainline/blobs/master/etc/powerd/post
>  > resume.d/disable_mesh.sh
>  > >> >
>  > >> > If so, you should remove it IF there is no way to guarantee that it
>  > >> will run
>  > >> > before NM picks up the device. At least it will avoid the crash...
>  > >> >
>  > >> > I would ask in the NM community if there is a better way to
> disable a
>  > >> > particular device, like banning a device(?).
>  > >>
>  > >> Edit /etc/NetworkManager/NetworkManager.conf
>  > >>
>  > >> Add a line to the [main] section like
>  > >>
>  > >> no-auto-default=xx:xx:xx:xx:xx (obviously replacing the x's with the
>  > >> mac-address of your mesh device.)
>  > >>
>  > >
>  > >
>  > > This should be a lot cleaner solution.
>  > > However, two queries ::
>  > >
>  > >
>  > > a)
>  > > Doing "ifconfig" on the XO-1, only shows information for "eth0" and
> "lo"
>  > > (no mesh device listed).
>  > > So, how can the mac address for the mesh device be found?
>
> it's the same as that for eth0.
>

Does that mean, that banning eth0-mac-address prevent the loading of
wifi-hardware-device as well (in obvious addition to mesh) ?
This seems very pricky.





>
>  > > b)
>  > > Are mac address for XO-1s, EXACTLY same, for every XO-1 on this
> planet?
>
> of course not.  how would they tell one another apart?
>

Alright.
But my first doubt (same mac address for mesh-hardware and wifi-hardware)
has put me in topspin :~



Regards,
Ajay





>
> paul
>
>  > >
>  > >
>  > > Looking forward to a reply.
>  > >
>  > >
>  > >
>  > > Thanks and Regards,
>  > > Ajay
>  > >
>  > >
>  > >
>  > >>
>  > >> This does not stop NM from managing your device, but does stop it
> from
>  > >> auto-connecting the device.  You would still be able to go into NM
> and
>  > >> manually enable the mesh network.   If you want NM to completely
> leave
>  > >> the device alone you can go one more step.
>  > >>
>  > >> Also in /etc/NetworkManager/NetworkManager.conf
>  > >>
>  > >> change the plugins line to
>  > >>
>  > >> plugins=ifcfg-rh,keyfile
>  > >>
>  > >> Then add a section that looks like this.
>  > >>
>  > >> [keyfile]
>  > >> unmanaged-devices=mac:xx:xx:xx:xx:xx:xx (Where X's are the mac
> address
>  > >> of the device you want to ignore)
>  > >>
>  > >>
>  > >> Hope that helps, let me know if you have further questions.
>  > >>
>  > >> -Jon
>  > >>
>  > >
>  > >
>  > part 2     text/plain                 129
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> =---------------------
>  paul fox, pgf at laptop.org
>
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