snip
Following the the instructions above:
[root@destn41936 ~]# xzcat CentOS-Userland-7-armv7hl-generic-Minimal-1804-sda.raw.xz | dd of=/dev/sdb status=progress 2874188288 bytes (2,9 GB, 2,7 GiB) copied, 501 s, 5,7 MB/s 5615616+0 Datensätze ein 5615616+0 Datensätze aus 2875195392 bytes (2,9 GB, 2,7 GiB) copied, 534,501 s, 5,4 MB/s [root@destn41936 ~]# dd if=/usr/share/uboot/Cubietruck_plus/u-boot-sunxi-with-spl.bin of=/dev/sdb bs=1024 seek=8 conv=fsync,notrunc 536+0 Datensätze ein 536+0 Datensätze aus 548864 bytes (549 kB, 536 KiB) copied, 0,258281 s, 2,1 MB/s [root@destn41936 ~]#
booting: U-Boot 2018.03 (Mar 20 2018 - 07:38:50 +0000) Allwinner Technology
CPU: Allwinner A83T (SUN8I 1673) Model: Cubietech Cubietruck Plus I2C: ready DRAM: 2 GiB MMC: SUNXI SD/MMC: 0, SUNXI SD/MMC: 1 Loading Environment from FAT... *** Warning - bad CRC, using default environment
Failed (-5) Loading Environment from MMC... *** Warning - bad CRC, using default environment
Failed (-5) In: serial Out: serial Err: serial Net: No ethernet found. starting USB... USB0: data abort pc : [<bff8f5da>] lr : [<bff8f5bd>] reloc pc : [<4a01c5da>] lr : [<4a01c5bd>] sp : bbf50c40 ip : bbf5a78c fp : 00000002 r10: bffb4f18 r9 : bbf52ee0 r8 : 00000000 r7 : ffffffff r6 : bbf599dc r5 : bffb30b4 r4 : bbf597f0 r3 : ffffffff r2 : 01c00004 r1 : ffff3f8f r0 : 00000000 Flags: nZCv IRQs off FIQs off Mode SVC_32 Resetting CPU ...
resetting ...
Andreas, the steps are correct, the only problem is that the uboot version in your host PC is not updated. You are using uboot 2018.03, which doesn't work for your device. All you nned to do is yum update "uboot*" in your host pc and repeat the uboot dd.