Hi, With the latest git source, i am seeing a build failure with the below error. LD crda CC intersect.o LD intersect CC regdbdump.o LD regdbdump CC db2rd.o LD db2rd CC optimize.o LD optimize CHK /usr/lib/crda/regulatory.bin Database signature verification failed. Invalid or empty regulatory file, note: a binary regulatory file should be used. make: *** [verify] Error 234 Is there something wrong with the certificate? -- Thanks, Regards, Chaitanya T K.