When using --hyperv on the commandline in gen_cmdline.sh around line 412 the parameter is actually setting the variable CMD_ISCSI to 1 instead of CMD_HYPERV Reproducible: Always
Thanks for the report. Broken since beginning (commit https://gitweb.gentoo.org/proj/genkernel.git/commit/?id=fd38ac4fb57ca9bc95ab9511c6948d326bdf48de). Fixed in https://gitweb.gentoo.org/proj/genkernel.git/commit/?id=bb6b5c66e0095189dc858d3575027c8e4ba90f9b. Please test genkernel v4.