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[Arista] Enable interrupts on all cores#25936

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lihuay merged 1 commit intosonic-net:masterfrom
arista-nwolfe:master-arista-fix-interrupts-per-core
Mar 21, 2026
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[Arista] Enable interrupts on all cores#25936
lihuay merged 1 commit intosonic-net:masterfrom
arista-nwolfe:master-arista-fix-interrupts-per-core

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@arista-nwolfe
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@arista-nwolfe arista-nwolfe commented Mar 6, 2026

We noticed the interrupt enabling commands in the sai_postinit_cmd.soc were only enabling them on core=0.

bcmcmd -n 0 "show interrupt all" | grep 2209
| RQP_PACKET_REASSEMBLY_CdcPktSizeErr[0]                                   | 2209 | 1              | 0  | 0     |
| RQP_PACKET_REASSEMBLY_CdcPktSizeErr[1]                                   | 2209 | 0              | 0  | 0     |

If we add p=<core> to the command it enables it on the core.

bcmcmd -n 0 "show interrupt all" | grep 2209
| RQP_PACKET_REASSEMBLY_CdcPktSizeErr[0]                                   | 2209 | 1              | 0  | 0     |
| RQP_PACKET_REASSEMBLY_CdcPktSizeErr[1]                                   | 2209 | 1              | 0  | 0     |

Which release branch to backport (provide reason below if selected)

  • 202305
  • 202311
  • 202405
  • 202411
  • msft-202503
  • 202505
  • 202511

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/azp run Azure.sonic-buildimage

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@arista-nwolfe arista-nwolfe force-pushed the master-arista-fix-interrupts-per-core branch from ed81d46 to 1e2c9c5 Compare March 6, 2026 23:19
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/azp run Azure.sonic-buildimage

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Azure Pipelines successfully started running 1 pipeline(s).

@arista-nwolfe arista-nwolfe force-pushed the master-arista-fix-interrupts-per-core branch from 1e2c9c5 to 797b9d3 Compare March 10, 2026 19:05
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/azp run Azure.sonic-buildimage

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@rlhui rlhui requested a review from arlakshm March 11, 2026 04:45
arista-nwolfe added a commit to arista-nwolfe/sonic-buildimage-msft that referenced this pull request Mar 11, 2026
arlakshm pushed a commit to Azure/sonic-buildimage-msft that referenced this pull request Mar 12, 2026
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/azpw run

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/AzurePipelines run

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@judyjoseph
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@rlhui please help merge

@lihuay lihuay merged commit 992478f into sonic-net:master Mar 21, 2026
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5 participants