Flashing the image. I get this error in serial terminal:(non stop boot loop)
[ 156.117513] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: smc 0 p0 err, cmd 18, RD RTO !!
[ 156.125394] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: retry:start
[ 156.131636] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: retry:stop
[ 156.137756] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: retry:stop recover
[ 156.145403] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: send manual stop command failed 100
[ 156.153813] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: REG_DRV_DL: 0x00000000
[ 156.161073] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: REG_SD_NTSR: 0x81710110
[ 156.168363] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: retry:re-send cmd
[ 156.176158] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: smc 0 p0 err, cmd 18, RD RTO !!
[ 156.184254] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: retry:start
[ 156.190583] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: retry:stop
[ 156.196644] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: retry:stop recover
[ 156.204319] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: send manual stop command failed 100
[ 156.212659] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: REG_DRV_DL: 0x00000000
[ 156.220049] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: REG_SD_NTSR: 0x81710110
[ 156.227442] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: retry:re-send cmd
[ 156.235109] sunxi:sunxi_mmc_host-4020000.sdmmc:[ERR]: smc 0 p0 err, cmd 18, RD RTO !!
[ 156.243120] sunxi:sunxi_mmc_host-4020000.sdmmc:[INFO]: retry:start
[ 156.249361] sunxi:sunxi_mmc_host-4020000.sdmm
Update: It’s not actually a bootloop. When I connect an Ethernet cable, one of the interfaces comes up, gets an IP address, and I can ping it. However, no ports are open, and the terminal gets flooded with millions of error messages per second. The board itself doesn’t reboot.