process.c:188 is in the "setjmp" version of savecontext() - you want = the=20 other version. Make sure your header files are setup so that USE_UCONTEXT is defined= . Marc Ian Delahorne wrote: > Nope, same crash: >=20 > #0 savecontext (ep=3D0, savearea=3D0x80c8304, sp=3D0x40187004 "= =FC=FD=FE=FF") > at ./process.c:188