I wonder where you got the armhf binary drivers for the Tegra 2 inside Trimslice.
Well now R15 beta is out, with support for xorg ABI 11 and 12. But the NVIDIA page has it only in armel, in spite of the fact that the documentation mentions an armhf version. - Could you package that version, or post a link to your resources, since at the moment I can only use the old binary driver with the new xorg via the IgnoreABI option, which results in (rare) segfaults.
Thanks allot!