On Tue, Jul 22, 2014 at 05:26:46PM +0200, John Crispin wrote: > we had a quite some trouble adding support to openwrt. in the end we > needed a few uclibc patches and gxx4.8 seems utterly foo'ed on this. > gcc 4.6 and 4.9 seem to be running fine though. > > what compiler, libc, ... version are you using ? mips64-unknown-linux-gnu-gcc (crosstool-NG git+7f1c646) 4.9.0 eglibc 2.15 But this does indeed appear problem with the kernel and not the toolchain. Sadly I can't opt for softfloat with this. I'm going to be trying to look at the patch that Markos identified; it looks like it may have mixed up MIPSInst_RT and MIPSInst_FD in a copy-and-paste. (Guessing, new to MIPS.) Thanks everyone for your help so far! -- Rob Kendrick, Senior Consulting Developer Codethink Ltd. Telephone: +44 7880 657 193 302 Ducie House, Ducie Street, http://www.codethink.co.uk/ Manchester, M1 2JW, United Kingdom.