Hi Rusty,
I got the following modpost errors with a randconfig on current git head ( b377fd3982ad957c796758a90e2988401a884241 )
...
Kernel: arch/i386/boot/bzImage is ready (#267)
ERROR: "get_futex_key" [drivers/lguest/lg.ko] undefined!
ERROR: "drop_futex_key_refs" [drivers/lguest/lg.ko] undefined!
ERROR: "get_futex_key_refs" [drivers/lguest/lg.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
...
config : http://194.231.229.228/kernel/randconfig-lguest
Regards,
Gabriel