For a while now, minimal install isos have all been missing CONFIG_RTC_CMOS so the hwclock service shows this output: * Setting system clock using the hardware clock [UTC] ... hwclock: Cannot access the Hardware Clock via any known method. hwclock: Use the -debug option to see the details of our search for an access method. This was fixed a while back in genkernel's default configs in bug #444932, but the releng installcd config is still missing CONFIG_RTC_CLASS and all RTC drivers under that menu. See: http://git.overlays.gentoo.org/gitweb/?p=proj/releng.git;a=blob_plain;f=releases/weekly/kconfig/amd64/installcd-3.10.17.config;hb=HEAD
Created attachment 368512 [details, diff] installcd-config-add-rtc.patch Small correction to the above, the option is CONFIG_RTC_DRV_CMOS. I've attached a config patch but really you just need to enter menuconfig and enable CONFIG_RTC_CLASS, that will auto-enable the CMOS driver. It will autoenable CONFIG_RTC_HCTOSYS and CONFIG_RTC_SYSTOHC which I think should be off, but that's up for debate.
Changes applied[1]. [1] - http://git.overlays.gentoo.org/gitweb/?p=proj/releng.git;a=commit;h=2546599186f0968cb8fc8cd253731f71bc528053
This should be fixed now.