Trying to upgrade from LibreElec to RetroElec, but can't get past boot. An Error pops up for less than a second, so sorry about the quality... Had to record a video and frame advance just to read it. O.O
It gets to "Update UTMP about system Runlevel changes." and then fails to unmount /flash.
Running latest generic x86 build (RetroELEC-Generic.x86_64-9.2-devel-20200214162808-28eddc2)