Dear Arno Steffen,
In message 804f0d21003042336t222c9e65v18ab2f193ff3e81@mail.gmail.com you wrote:
I read that chapter and changed to set bootargs_nfs 'setenv bootargs mem=128M console=ttyS2,115200n8 noinitrd rw root=/dev/nfs nfsroot=${serverip}:/opt/rootfs, nolock' set boot_nfs 'run bootargs_nfs addip; printenv bootargs; tftpboot 0x80000000 uImage; bootm 0x80000000' set bootcmd run boot_nfs
The result keeps the same. For some strange reason I can see the result of printenv command, that I inserted for debug purposes. The serverip is not replaced. What is working is executing to type
"run bootargs_nfs addip" as a single command line "print bootargs" than returns the correct: bootargs=mem=128M console=ttyS2,115200n8 noinitrd rw root=/dev/nfs > nfsroot=192.1 68.90.230:/opt/rootfs, nolock ip=192.168.90.202:192.168.90.230:192.168.90> .1:255. 255.255.0::eth0:on
This single line seems to be executed in a different way?!
This most probably means that the "serverip" which does not get substituted is not the "serverip" you tink it is, i. e. eventually it contains some non-printing characters or control sequences. I recommend to re-enter the complete variable definition. Do not copy & paste, but re-type it from scratch. Then test again.
You can also run "md" on the sector where your environment is stored, and check what's actually stored there.
Best regards,
Wolfgang Denk