Dear Arno Steffen, In message <[email protected]> you wrote: > > To make a more stable system I want to put a second reduced linux > (kernel/rootfs) onto flash memory. > This should be boot automatically, if #1 fails for any reason.
This is a standard mode of operation, and well documented. See the example in the FAQ: http://www.denx.de/wiki/view/DULG/CommandLineParsing#Section_14.2.16.3. > I tried to add this in bootcmd, but execution will be interuppted if the > first bootm failes. You must have done something wrong. > Is there any chance to do so? Sure. > (maybe it is even possible to compile this into bootloader, in case uboot > environment gets corrupted/misconfigured) We use redundant environment with checksums to prevent this. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] ...when fits of creativity run strong, more than one programmer or writer has been known to abandon the desktop for the more spacious floor. - Fred Brooks, Jr. _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
