[Macchiato] macchiatobin problem

Baruch Siach baruch at tkos.co.il
Sun Nov 4 11:46:25 GMT 2018


Hi Alpha,

alpha_one_x86 writes:
> For now I run with this kernel without problem.
>> Do you see your SFP module detected?
>>
>> Please send your full kernel log.
> How I see this?

You should see messages with the sfp-ethX: prefix.

> See the attached file

Your kernel log indicates that you don't enable CONFIG_SFP.

>>> I try do work:
>>>
>>> https://www.fs.com/products/48929.html Cisco GLC-LH-SM-20 Compatible
>>> 1000BASE-LX/LH SFP 1310nm 20km DOM Transceiver Module
>>>
>>> But failed, maybe not dynamically down to 1G.
>> Recent mainline kernel can configure Ethernet port speed dynamically. I
>> tested it here with 1G optic modules. The trouble is that SFP
>> configuration is not always correct.
>>
> Can you send me more tips to have more info about this please?
> And how see the SFP info as Db, power, ...?

The ethtool -m command print provide the decoded information from the
SFP module EEPROM, once you enable CONFIG_SFP.

baruch

--
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