to get 64 bit support working:

Modify include/asm-x86/unistd_64.h
--- a/include/asm-x86/unistd_64.h
+++ b/include/asm-x86/unistd_64.h
@@ -635,6 +635,12 @@ __SYSCALL(__NR_timerfd, sys_timerfd)
__SYSCALL(__NR_eventfd, sys_eventfd)
#define __NR_fallocate 285
__SYSCALL(__NR_fallocate, sys_fallocate)
+#define __NR_start_rec 286
+__SYSCALL(__NR_start_rec, sys_start_rec)
+#define __NR_stop_rec 287
+__SYSCALL(__NR_stop_rec, sys_stop_rec)
+#define __NR_rec_owner 288
+__SYSCALL(__NR_rec_owner, sys_rec_owner)

#ifndef __NO_STUBS
#define __ARCH_WANT_OLD_READDIR