Ok ... I think I got it right this time: change src/libafs/asm -> asm-xen instead of asm-i386 (openafs tree) change include/asm -> asm-xen instead of asm-i386 (xen/linux tree) make ARCH=xen only_libafs and that made 1.3.84 work on 2.6.11.10-xenU john