Index: net/intel-ixl-kmod/Makefile
===================================================================
--- net/intel-ixl-kmod/Makefile
+++ net/intel-ixl-kmod/Makefile
@@ -33,6 +33,10 @@
 IGNORE=		is not supported on FreeBSD 10.1 and older
 .endif
 
+.if ${OSVERSION} >= 1100000
+BROKEN=		does not build
+.endif
+
 do-install:
 	${INSTALL_KLD} ${WRKSRC}/if_${PORTNAME}.ko ${STAGEDIR}${KMODDIR}/if_${PORTNAME}_updated.ko
 	${INSTALL_MAN} ${WRKSRC}/${PORTNAME}.4 ${STAGEDIR}${MAN4PREFIX}/man/man4/
Index: sysutils/intel-nvmupdate/Makefile
===================================================================
--- sysutils/intel-nvmupdate/Makefile
+++ sysutils/intel-nvmupdate/Makefile
@@ -40,6 +40,10 @@
 IGNORE=		is not supported on FreeBSD 10.1 and older
 .endif
 
+.if ${OSVERSION} >= 1100000
+BROKEN=		core dump on application startup
+.endif
+
 do-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/${NVMUPDATE_DIR}
 	cd ${WRKSRC} && ${COPYTREE_SHARE} . ${STAGEDIR}${PREFIX}/${NVMUPDATE_DIR} "! -name 'nvmupdate64e'"