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Unknown Devices Appearing in PCI Passthrough Configuration in ESXi 5.1 on a Blade in a PowerEdge VRTX Chassis

Summary: This article provides information on issues with unknown devices appearing in PCI passthrough configuration in ESXi 5.1 on a blade in a  PowerEdge VRTX chassis.

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Symptoms

Issue : 
The bridges are displayed as unknown devices in PCI passthrough configuration page in VMware ESXi 5.1.

SLN283526_en_US__1I_ESXi_Passthrough_JP_V1a

Discussion :
This is a cosmetic issue with the PCI passthrough. Functionally, it works fine for the supported devices. The reason is pci.ids available in PCI source forge site was not carrying Next IO and PLX Bridge's device IDs. Though the source forge is updated with the IDs now, ESXi 5.1 does not carry these hence the devices are marked as unknown.

Resolution : 
VMware is aware of the issue and the updated pci.ids is going to be part of the ESXi 5.1 update 2 release.

 

 

Cause

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Resolution

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Affected Products

Dell Chassis Management Controller Version 3.0 for Dell PowerEdge VRTX, VMware ESX