Using the 4.15.0-23-generic kernel from bionic-proposed correctly loads the GuC firmware as expected:
[ 1.470927] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin (v1.1) [ 1.483832] [drm] HuC: Loaded firmware i915/kbl_huc_ver02_00_1810.bin (version 2.0) [ 1.494403] [drm] GuC: Loaded firmware i915/kbl_guc_ver9_14.bin (version 9.14) [ 1.509669] i915 0000:00:02.0: GuC submission enabled (firmware i915/kbl_guc_ver9_14.bin [version 9.14])
Using the 4.15.0-23-generic kernel from bionic-proposed correctly loads the GuC firmware as expected:
[ 1.470927] [drm] Finished loading DMC firmware i915/kbl_ dmc_ver1_ 01.bin (v1.1) huc_ver02_ 00_1810. bin (version 2.0) guc_ver9_ 14.bin (version 9.14) guc_ver9_ 14.bin [version 9.14])
[ 1.483832] [drm] HuC: Loaded firmware i915/kbl_
[ 1.494403] [drm] GuC: Loaded firmware i915/kbl_
[ 1.509669] i915 0000:00:02.0: GuC submission enabled (firmware i915/kbl_