Hello, On Tue, Feb 03, 2015 at 04:38:42PM +0000, Boulais, Marc-Andre wrote: > I have flashed Barebox-2015.02.0 on my omap4 setup (using the Barebox > update command) and I am now trying to modify the environment from the > Barebox prompt. I have modified the env/config file and I would like > to save my changes to NAND. > > For this task, I call the "saveenv" command and I get this result: > > barebox@Phytec phyCORE-OMAP4460:/ saveenv > saving environment > saveenv: No space left on device > > The "devinfo" command indicates to me that the /dev/nand0.bareboxenv partition is 128 Kb. > Just to be sure, I erase it and get the following error: What is the block size of your nand device? If your partition only consists of a single block and this one turns bad ... > barebox@Phytec phyCORE-OMAP4460:/ erase /dev/nand0.bareboxenv.bb > nand: nand_erase_nand: attempt to erase a bad block at page 0x00000140 > erase: I/O error I'm not sure why this error is printed, maybe erase must not be given a .bb partition? > So I guess I am a bit confused here. > 1) Is "saveenv" the right command to save my changes to the environment ? Yes > 2) How can I erase a NAND partition that has bad blocks ? It should be transparent to the user. I'd expect that erase does the right thing. > 3) Can bad blocks be marked by software or are they all marked by the manufacturer ? The initial set of bad blocks are (obviously) marked by the manufacturer. I don't know if barebox automatically marks blocks as bad, but Linux does for sure. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox