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

[Ajay Garg]

Well, could someone point me to the kernel fix, which could solve the
problem by backporting.
That should be an interesting exercise.

Regards,
Ajay

On Wed, May 2, 2012 at 8:44 PM, Anish Mangal <anish at activitycentral.com>wrote:

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> On 05/02/2012 07:59 PM, Martin Langhoff wrote:
> > On Wed, May 2, 2012 at 10:18 AM, Ajay Garg <ajaygargnsit at gmail.com>
> > wrote:
> >> Good News.
> >>
> >> I managed to get this working (albeit via changes in sugar).
> >>
> >> The details are at ::
> >>
> http://git.sugarlabs.org/dextrose/mainline/commit/4ac1a5300f4c43608b0f009a23d966d404a15632
> >
> >>
> > The patch seems fairly wrong to me. You are hiding the mesh icons
> > in sugar, but the mesh is active. Packet forwarding is still
> > happening.
> >
> > One of the top reasons we stopped using mesh is because it
> > saturates the RF spectrum, which is a bad thing to do when you have
> > many users in a small space (ie: in a school).
> >
> > You had the mesh disable trick working on F11, and (I assume)
> > happy users of that feature. With this, the feature is broken, but
> > you're making the UI look right...
> >
>
> I agree.
>
> The *problem* we are trying to solve is not to have a pretty
> mesh-icon-free-UI (which is a side effect), but disable the mesh at a
> hardware level.
>
> This patch *won't* solve the problem, as it will still flood the air
> with packet forwarding.
>
> - From the discussion, it seems to me that the kernel level switch is
> present in 12.x.x onwards, but not so for 11.3.x.
>
> In 10.3.x(f11) we got lucky as we were able to avoid the race condition.
>
> I suggest we keep looking for a proper solution:
> * Can the kernel fix be backported (might require a lot of work)
> * Can we tinker with the udev, postresume scripts to have it 'just'
> working
>
> I have reverted the commit:
>
>
> http://git.sugarlabs.org/dextrose/mainline/commit/20ef9a14dd55908aec6c04cf3edddc51004aabb0
>
> > cheers,
> >
> >
> >
> > m
>
>
> - --
> Anish
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