[Mellanox] Fix issue: psu might use wrong voltage sysfs which causes invalid voltage value #10231
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keboliu
approved these changes
Mar 15, 2022
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liat-grozovik
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Mar 20, 2022
judyjoseph
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Mar 20, 2022
…invalid voltage value (#10231) - Why I did it Fix issue: psu might use wrong voltage sysfs which causes invalid voltage value. The flow is like: 1. User power off a PSU 2. All sysfs files related to this PSU are removed 3. User did a reboot/config reload 4. PSU will use wrong sysfs as voltage node - How I did it Always try find an existing sysfs. - How to verify it Manual test
keboliu
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Mar 27, 2022
…invalid voltage value (sonic-net#10231) - Why I did it Fix issue: psu might use wrong voltage sysfs which causes invalid voltage value. The flow is like: 1. User power off a PSU 2. All sysfs files related to this PSU are removed 3. User did a reboot/config reload 4. PSU will use wrong sysfs as voltage node - How I did it Always try find an existing sysfs. - How to verify it Manual test
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Why I did it
Fix issue: psu might use wrong voltage sysfs which causes invalid voltage value. The flow is like:
How I did it
Always try find an existing sysfs.
How to verify it
Manual test
Which release branch to backport (provide reason below if selected)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)