Quote Originally Posted by Legolas
Yes, that happens mixing new toolchain and old libndsfpc. But you can easily fix it
Basically, you will need to replace libnds 1.4.0 with libnds 1.3.8 and default arm 0.5.8 with default arm 0.5.6

Uncompress these files in C:\devkitPro\libnds and all should work like expected
Didn't seem to fix it. Unless you've got any more ideas, I'll wait for 2.4