device ig4 makes buildkernel failing in CURRENT r285995: config: Error: device "ig4" is unknown Loading the kernel module via "kldload ig4" works fine.
https://reviews.freebsd.org/D3351
A commit references this bug: Author: grembo Date: Wed Aug 19 09:49:31 UTC 2015 New revision: 286918 URL: https://svnweb.freebsd.org/changeset/base/286918 Log: Allow building a kernel with baked in ig4, isl and cyapa drivers. Also addresses jhb's remarks on D2811 and D3068. PR: 202059 Differential Revision: https://reviews.freebsd.org/D3351 Reviewed by: jhb Approved by: jhb Changes: head/sys/conf/files head/sys/dev/cyapa/cyapa.c head/sys/dev/ichiic/ig4_iic.c head/sys/dev/isl/isl.c