On Tuesday 11 January 2011 15:14:50 Benjamin Nadland wrote: [...] > +source=radiotap_bsd_ab,urtw0,radiotap_bsd_ab
Why radiotap_bsd_ab? urtw(4) is an 802.11b/g only device and does not support 802.11a operation. This still doesn't explain your crash as kismet_server should receive an error and bail. Can you retest with the correct capture source (radiotap_bsd_b)?