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mssonicbldarlakshm
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[action] [PR:24423] [Arista] Disable nohz on Hedgehog CPU cards (#1822)
#### Why I did it Disabling nohz to help to mitigate MCEs. ##### Work item tracking #### How I did it #### How to verify it #### Which release branch to backport (provide reason below if selected) - [ ] 202205 - [ ] 202211 - [ ] 202305 - [ ] 202311 - [X] msft-202405 - [ ] 202411 - [ ] 202505 #### Tested branch (Please provide the tested image version) #### Description for the changelog <!-- Write a short (one line) summary that describes the changes in this pull request for inclusion in the changelog: --> <!-- Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU. --> #### Link to config_db schema for YANG module changes <!-- Provide a link to config_db schema for the table for which YANG model is defined Link should point to correct section on https://github.com/Azure/sonic-buildimage/blob/master/src/sonic-yang-models/doc/Configuration.md --> #### A picture of a cute animal (not mandatory but encouraged) Co-authored-by: Arvindsrinivasan Lakshmi Narasimhan <[email protected]>
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files/Aboot/boot0.j2

Lines changed: 6 additions & 1 deletion
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@@ -681,10 +681,15 @@ write_platform_specific_cmdline() {
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cmdline_add modprobe.blacklist=snd_hda_intel,hdaudio
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read_system_eeprom
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fi
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if in_array "$platform" "lorikeet" "hedgehog"; then
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if in_array "$platform" "lorikeet"; then
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cmdline_add reassign_prefmem
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read_system_eeprom
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fi
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if in_array "$platform" "hedgehog"; then
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cmdline_add reassign_prefmem
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cmdline_add nohz=off
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read_system_eeprom
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fi
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if in_array "$platform" "prairieisland"; then
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read_system_eeprom
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fi

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