[action] [PR:16722] [Mellanox] wait reset cause ready #16772
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Why I did it SONiC service determine-reboot-cause might run before driver creating reset cause files. In that case, the reset cause will be "Unknown". This PR introduces a wait mechanism to wait for reset cause sysfs files ready. How I did it /run/hw-management/config/reset_attr_ready is the file to indicate all reset cause files are ready. In chassis.get_reboot_cause function, it waits /run/hw-management/config/reset_attr_ready for up to 45 seconds. How to verify it Manual test on master/202211/202205
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Original PR: #16722 |
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Depends on #16483
Why I did it
SONiC service
determine-reboot-causemight run before driver creating reset cause files. In that case, the reset cause will be "Unknown". This PR introduces a wait mechanism to wait for reset cause sysfs files ready.Work item tracking
How I did it
/run/hw-management/config/reset_attr_ready is the file to indicate all reset cause files are ready. In
chassis.get_reboot_causefunction, it waits /run/hw-management/config/reset_attr_ready for up to 45 seconds.How to verify it
Manual test on master/202211/202205
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)