Hi, I am right assuming that if we get a page fault for a user mode virtual address, curlwp can't be NULL (e.g. on x86, in the !KERNELMODE(frame->tf_cs, frame->tf_eflags) or frame->tf_trapno contains T_USER) ? -- Manuel Bouyer <bouyer@antioche.eu.org> NetBSD: 26 ans d'experience feront toujours la difference --