This will not work over a network. Hopefully it'll then fall back to dri2?
Phoronix: Passing File Descriptors Over The X Protocol Socket
Keith Packard has been working on support for passing file descriptors over the X protocol socket as part of the work of DRI-Next, a.k.a. the "DRI3" undertaking...
http://www.phoronix.com/vr.php?view=MTIwMDQ
This will not work over a network. Hopefully it'll then fall back to dri2?
And you think the current (DRI2) way of opening a GEM handle works over a network? You know this is about DRI, the Direct Rendering Interface, which so far has never worked over a network. It's not like the X.Org devs have some secret plan to piss off everyone by removing network transparency, please think before posting anything about this topic.
Bad wording yes, s/dri2/indirect GLX/.