Hi, At boot time the following message appears: [...] envfs: no envfs (magic mismatch) - envfs never written? [...] When trying to save the (pristine or modified) bb environment using 'saveenv' on latest bb and RK31889 radxa-rock, this happens: barebox@Radxa Rock:/ saveenv saving environment ERROR: dw_mmc 10214000.dwmmc: dwmci_write_data_pio: FIFO overflow timeout ERROR: dw_mmc 10214000.dwmmc: dwmci_write_data_pio: FIFO flush timeout Result: It is impossible to write the saveenv, pristine or not. Boot log: [...] DDR Version 1.04 20140217 In DDR3 300MHz Bus Width=32 Col=10 Bank=8 Row=15 CS=2 Die Bus-Width=16 Size=2048MB Memory OK OUT barebox 2018.09.0-dirty #44 Mon Sep 17 15:22:34 CEST 2018 Board: Radxa Rock clk_register clk xin24m is already registered, skipping! arc-emac 10204000.ethernet: ARC EMAC detected with id: 0x7fd02 mdio_bus: miibus0: probed dw_mmc 10214000.dwmmc: registered as 10214000.dwmmc mshc1: detected SD card version 1.0 mshc1: registered mshc1 netconsole: registered as netconsole-1 i2c-gpio i2c-gpio0: using pins 58 (SDA) and 59 (SCL) malloc space: 0x9fefd660 -> 0xdfdfacbf (size 1023 MiB) gpio-leds.6: probe permanently deferred envfs: no envfs (magic mismatch) - envfs never written? running /env/bin/init... Hit any key to stop autoboot: 0 booting 'mshc1' mount: No such file or directory ext4 ext40: EXT2 rev 1, inode_size 128, descriptor size 32 mounted /dev/mshc1.0 on /mnt/mshc1.0 Loading ARM Linux zImage '/mnt/mshc1.0/zImage' [...] cheers S. -- _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox