FatdogArm on Cubieboard2

I have received a Cubieboard2 from someone who shall remain anonymous (thank you!).

The delivery took quite a while, but it finally arrived yesterday; and today I have FatdogArm running on it (screenshot here).

It is still in the early days and it will need tweaks, but in general it is running smooth and well. Cubieboard2 will be a supported platform in the next release.

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I noticed something. I'm using linux-sunxi kernel, 3.4 branch, the latest, and using cubieboard2_defconfig (suitably modified) from cubieboard2/linux-sunxi fork. The difference between this and my previous ARM kernels is that this kernel enables a lot of modules. Which is ok, except for one thing: I noticed that the kernel modules are *huge*. For example, the entire collection of netfilter modules on my x86_64 is around 1.3MB. The same collection on the A20 kernel I just compiled is - guess what? It's *18MB* - more than 10 times! Initially I thought it is because of the compiler (I used gcc 4.6.2) so I used Linaro's gcc 4.7, and the result is almost identical. Hmmmm.

Posted on 9 Oct 2013, 18:27 - Categories: FatdogArm Linux Arm
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Comments:

Posted on 17 Oct 2013, 16:47 by jamesbond
"ARM kernel modules"
Of course, I'm being stupid. It was the debug info - I just missed that the cubieboard2_defconfig ships with CONFIG_DEBUG_INFO turned on. Turning that off makes the kernel modules much smaller (so is running strip -g on the compiled modules).
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