Thanks Martin and Jon for the replies. <div class="gmail_quote">On Sun, Apr 29, 2012 at 3:04 PM, Jon Nettleton <<a href="mailto:jon.nettleton@gmail.com" target="_blank">jon.nettleton@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="im">On Sun, Apr 29, 2012 at 10:04 AM, Martin Abente <<a href="mailto:martin.abente.lahaye@gmail.com">martin.abente.lahaye@gmail.com</a>> wrote: > Are you guys still using this? > <a href="http://git.sugarlabs.org/dextrose-platform/mainline/blobs/master/etc/powerd/postresume.d/disable_mesh.sh" target="_blank">http://git.sugarlabs.org/dextrose-platform/mainline/blobs/master/etc/powerd/postresume.d/disable_mesh.sh</a> > > 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(?). </div>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.) </blockquote><div> 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? b) Are mac address for XO-1s, EXACTLY same, for every XO-1 on this planet? Looking forward to a reply. Thanks and Regards, Ajay </div><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> 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 </blockquote></div>