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VMware vSphere 6.5.x on Dell EMC PowerEdge Systems Release Notes

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PSOD is not seen in the host when the NMI option is selected in the iDRAC UI

Description:
In the iDRAC UI of Dell EMC PowerEdge servers with AMD EPYC processors, below the Configuration tab, select the Power Control option, and then select NMI(Non-Masing Interrupt). On selecting the option NMI on the idrac page, the server crashes the PSOD. However, the PSOD is not seen in the yx5x PowerEdge servers with AMD EPYC processors due to a bug in AMD IOMMU.
Applies to:
ESXi 6.5.x
Workaround:
Disable IOMMU in the BIOS.
Systems affected:
yx5x PowerEdge servers with AMD processors
Tracking number:
132871

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