Dear Arno Steffen, In message <aanlktin-oagocd6_sk5t-si9e16-hqdzm-e9f3v2o...@mail.gmail.com> you wrote: > > This sounds even more complicated to me. In fact - I don't have any > clue, what and howto measure and reset the environment. This system > doesn't even had a reset buttom... so it is always a cold boot.
So how will you find out if there is something wrong, and a reset to a default state is indeed wanted? > > You could eventually use netconsole. > > Netconsole requires (afaik) a linux kernel, that is working. We have netconsole support in U-Boot. > But here I am at the beginning. How to listen on a network port ( I > know what to don in linux, but in uboot?) and howto make this change > in uboot environment to a certain state. (this can boot a system via > tftp then instead of a flash file system) Consider using netconsole then. 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: w...@denx.de You might not be as stupid as you look. This is not hard. Let's think about this. I mean ... I'll think about this, and you can join in when you know the words. - Terry Pratchett, _Men at Arms_ _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot