Cannot download kernel in latest linux development kernel for Ubuntu

I have downloaded the latest linux development kernel (Robert Nelson)
for Ubuntu linux-dev-3.1-rc9-d4 at

In the, there seems to be something wrong with the location
of the kernel pointed by
$ git clone git://

I am not able to download the kernel using the above command. Also,
why use linux-2.6 when the kernel is supposed to be 3.1?

No problems with the stable kernel releases.

Thank you.

Before went down last month, that was the stable tree, even
when the kernel changed to 3.x, the 2.6 in the name became

But now that git tree's are back, that tree is gone and
replaced with:


so use that instead..

patched the readme: