search for: __stop_set_ah_rfs

...kernel breaks: ... linking kernel.debug ah.o(.text+0x218): In function `ath_hal_rfprobe': /home/mi/src/sys/dev/ath/ath_hal/ah.c:142: undefined reference to `__start_set_ah_rfs' ah.o(.text+0x21d):/home/mi/src/sys/dev/ath/ath_hal/ah.c:142: undefined reference to `__stop_set_ah_rfs' ah.o(.text+0x236):/home/mi/src/sys/dev/ath/ath_hal/ah.c:142: undefined reference to `__stop_set_ah_rfs' *** Error code 1 What could this be? All modules (including ath_hal) build correctly... Thank you! -mi