28 Feb
2020
28 Feb
'20
3:37 p.m.
Dear Adarsh Babu Kalepalli,
In message CAJgxa7cGG6JG_xfzzyh3zit7Gg43mSma0E-hcXVM=7+eM8Uu+w@mail.gmail.com you wrote:
Exporting environment variables to a memory location and trying to import them back. On certain occasions,the import command is displaying errors.
...
## Error: Can't overwrite "ethaddr" himport_r: can't insert "ethaddr=b8:27:eb:bb:2d:e6" into hash table ## Error: Can't overwrite "serial#" himport_r: can't insert "serial#=00000000ebbb2de6" into hash table U-Boot>
Is this expected?? or should it be raised as a BUG.
Yes, this is expected behaviour. These variables are read-only (resp.write-once), so you cannot modify them if they are already set. [At least not without additional measures.]
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de
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