On 13 Mar 2008, at 10:55, Marc Dionne wrote: >> >> Any ideas? >> > There's another problem with the lwp prototypes - is that where you > had an error? Yes - my fault. The prototypes for savecontext don't match on Linux. In fact, savecontext should probably take void *(*ep)(void). I have a patch implementing this that I'm testing now. Cheers, Simon.