[action] [PR:23343] TH5-512 ingress and egress lossy queue buffer size change#1380
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r12f merged 1 commit intoAzure:202412from Jul 21, 2025
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#### Why I did it BRCM SAI 13.2.1 increases the pkt trim buffer pool to 1.7MB, leading to the reduction of available lossy queue buffer. Without this change, there will be a syncd crash on default buffer profile pairing with SAI 13.2.1. ##### Work item tracking - Microsoft ADO **(number only)**: #### How I did it Reduce default ingress and egress lossy buffer size from 165307264 with 161999982 #### How to verify it Verified on Arista-7060X6-64PE-B-C512S2 #### Which release branch to backport (provide reason below if selected) - [x] 202412 #### Tested branch (Please provide the tested image version) - [x] 202412.b27 #### Description for the changelog BRCM SAI 13.2.1 increases the pkt trim buffer pool to 1.7MB, available lossy queue buffer size to be reduced accordingly. #### Link to config_db schema for YANG module changes #### A picture of a cute animal (not mandatory but encouraged)
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Original PR: sonic-net/sonic-buildimage#23343 |
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CI failed due to known test issues. bypassing and approved.
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…03 (#1387) ```<br>* a44672c - (HEAD -> 202503) Merge branch '202412' of https://github.com/Azure/sonic-buildimage-msft into 202503 (2025-07-22) [Sonic Automation] * e8d9805 - (origin/202412, 202412) [action] [PR:23343] TH5-512 ingress and egress lossy queue buffer size change (#1380) (2025-07-21) [Riff] |\ | failure_prs.log skip_prs.log 3c745e7 - TH5-512 ingress and egress lossy queue buffer size change (2025-07-19) [Sonic Build Admin] * 155c4f8 - [submodule][202412] Update submodule sonic-sairedis to the latest HEAD automatically (#1374) (2025-07-21) [Riff] |\ | failure_prs.log skip_prs.log 4309cb7 - [submodule] Update submodule sonic-sairedis to the latest HEAD automatically (2025-07-21) [Sonic Automation] * 3648500 - [submodule][202412] Update submodule sonic-linux-kernel to the latest HEAD automatically (#1375) (2025-07-21) [Riff] * 183c067 - [submodule] Update submodule sonic-linux-kernel to the latest HEAD automatically (2025-07-21) [Sonic Automation]<br>```
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Why I did it
BRCM SAI 13.2.1 increases the pkt trim buffer pool to 1.7MB, leading to the reduction of available lossy queue buffer.
Without this change, there will be a syncd crash on default buffer profile pairing with SAI 13.2.1.
Work item tracking
How I did it
Reduce default ingress and egress lossy buffer size from 165307264 with 161999982
How to verify it
Verified on Arista-7060X6-64PE-B-C512S2
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
BRCM SAI 13.2.1 increases the pkt trim buffer pool to 1.7MB, available lossy queue buffer size to be reduced accordingly.
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)