can't move tabs in list or between windows

Chrome Version: 39.0.2171.95 (64-bit)
OS: Linux: 3.17.6-1-ARCH

When I click a node in the list and drag it somewhere within the node tree I don't see the nodes beneath highlighted nor the blue lines linking the nodes that normally appear. When I release the node in some place of the tree (eg. another window), nothing happens.

I'd say that it's not that I'm not doing it in the proper way, because in the laptop I use gentoo in, I can see how it works (and it's wonderful).

Any help would be appreciated.
And thanks for this great extension.