[action] [PR:24688] [Mellanox] Fix issue: sfp.get_temperature_info cannot detect SFP replacement#1895
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mssonicbld merged 1 commit intoAzure:202412from Dec 16, 2025
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#### Why I did it
CMIS module cached module serial in memory, it causes an issue that `sfp.get_temperature_info` cannot detect SFP replacement. The PR is a fix for the issue.
##### Work item tracking
- Microsoft ADO **(number only)**:
#### How I did it
Implement a private `sfp._get_serial` which reads module serial from EEPROM instead of memory.
#### How to verify it
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Manual test passed
Unit test passed
#### Which release branch to backport (provide reason below if selected)
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- [x] 202006
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- [ ] 202205
- [ ] 202211
- [ ] 202305
- [ ] 202311
- [ ] 202405
- [ ] 202411
- [ ] 202505
#### Tested branch (Please provide the tested image version)
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- [x] 20201231.100
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- [ ] <!-- image version 2 -->
#### Description for the changelog
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Original PR: sonic-net/sonic-buildimage#24688 |
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Why I did it
CMIS module cached module serial in memory, it causes an issue that
sfp.get_temperature_infocannot detect SFP replacement. The PR is a fix for the issue.Work item tracking
How I did it
Implement a private
sfp._get_serialwhich reads module serial from EEPROM instead of memory.How to verify it
Manual test passed
Unit test passed
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)