I got accepted in the Beta today, and I followed the instructions here: https://code.google.com/p/n900ipv6/wiki/README
Everything was OK, the IPV6 connection was created, I changed the APN to ccinternet2.t-mobile.com, but still can't connect. I only have 2.5g here, could this be a problem?

When I try:
initctl stop icd2
/usr/sbin/icd2
icd2 will seg fault each time I try the ipv6 connection (but works fine with wifi).

Any ideas?