Hi,

using the IGB driver v5.2.5 together with several i211 NICs I see
that all of them are not correctly set up because of NVM
checksum errors reported.

Adding a few debug messages I get:

[    2.605249] e1000_validate_nvm_checksum_generic
[    2.605483] e1000_validate_nvm_checksum_generic: checksum=26798 NVM_SUM=47802
[    2.605500] igb 0000:01:00.0: The NVM Checksum Is Not Valid

Instead of the expected 0xBABA I get 0x68AE.

Linux kernel v3.8 does not set a callback for i211, but does
so for i210 e. g.

However, skimming through the i211 data sheet I don't see any reference
to the 0xBABA checksum word.  And because I saw i210 mentioned in the
v3.8 driver I checked this data sheet as well.  In the i210 dats sheet
I see the 0xBABA checksum word documented properly.

Is this is a bug in the v5.2.5 driver?  Or do I have to contact
system manufacturer for updating NVM?

Thanks!

 /Holger


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