Armbianmonitor: http://ix.io/2vVT I have two Rock64 single-board computers running Focal Fossa.  One is stable and the other gets segmentation faults when compiling and sometimes a kernel oops.  After some searching, my understanding is this can be fixed by slowing down the memory speed by installing rk3328_ddr_333MHz_v1.13.bin from the ayufan-rock64 GitHub repository into uboot along with possibly rk3328_miniloader_v2.46.bin as well.   Unfortunately,