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Bug:DPU staging concurrency instability #25195

@rameshraghupathy

Description

@rameshraghupathy

Is it platform specific

generic

Importance or Severity

High

Description of the bug

The test stages all DPUs in parallel. On this platform, parallel staging can overload gNOI/installer path or trigger instability. Serial staging worked.

Fix used:

workers = 1

Steps to Reproduce

Run full SmartSwitch upgrade with 8 DPU targets.

Actual Behavior and Expected Behavior

Actual:
Parallel DPU staging is unstable.

Expected:
Test should allow safe concurrency control, either defaulting to serial or exposing a CLI option.

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