[Commotion-discuss] Some pre-experimentation mesh hardware inquiries

[Josh King]

Yes, and even the Fonera 2100 still has 8MB of flash. The image would 
actually have to pruned down to something significantly less than 4MB 
in order to accomodate the JFFS2 partition in additon to the squashfs 
one. So we're actually looking at something closer to 2-3MB. We'll see 
how small we can get it, and having so much more of it as C binaries 
should hopefully make it more compact, but my feeling is that it will 
probably turn out that 4MB of flash is just too small to be able to 
support. Anyway, we'll see how it turns out once we have AA-based 
testing images.

On Wed 27 Feb 2013 12:44:20 PM EST, Ben West wrote:
> I don't have any current versions of the 'minimal' ath5k-based Commotion
> images, besides those listed below:
>
> http://info.gowasabi.net/commotion-openwrt/openwrt/bin/atheros-ar2315-minimal/
> Circa OpenWRT r31693, from Summer last year
>
> http://info.gowasabi.net/commotion-openwrt-new/openwrt/bin/atheros-ar2315-minimal/
> Like above, but with a newer kernel and compat-wireless library backported
>
> All of these imageshould have the root pwd pre-set to r0ot56c0MM0t10N .
>
> The only image I tested successfully were the older of the two version
> listed above, on a FONera 2100.  Still, I have posted the config file I
> used to build both versions, so that you can try building your own.
>
> http://info.gowasabi.net/commotion-openwrt/openwrt/atheros-ar2315.minimal.config
> http://info.gowasabi.net/commotion-openwrt-new/openwrt/atheros-ar2315.minimal.config
>
> Please note the ath5k (aka atheros) images will not run on a WRT54G
> (brcm47xx-based) or on the TP-Link (ath9k-based).
>
> It should be straightforward (although tedious) to prune down the current
> package set for DR1 Commotion to get a ~4MB sized image in squashfs.
> Although, you would likely have to axe potentially useful features, e.g.
> IPV6 support or Luci web UI.
>
> Also, do be mindful of the RAM limitation for older devices like a WRT54G,
> which has only 16MB of memory.  The recent incorporation of the zram
> package into OpenWRT trunk may allow operation on such RAM-bound devices,
> but to date I have *not* been able to run the v3.x kernel reliably on these
> units.  And the OpenWRT dev team also doesn't expect it to, unfortunately.
>
> On Wed, Feb 27, 2013 at 10:40 AM, Chris Ritzo <chris.ritzo at gmail.com> wrote:
>
>> This post in the commotion-dev archives has info about minimal images that
>> Ben West compiled. This might be useful for the TP Link routers or others
>> with lower system resources.
>>
>> https://lists.chambana.net/pipermail/commotion-dev/2013-January/001001.html
>>
>>
>
>
>
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--
Josh King

"I am an Anarchist not because I believe Anarchism is the final goal,
but because there is no such thing as a final goal." -Rudolf Rocker

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