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11-04-2019 08:09 AM
11-04-2019 08:09 AM
PCI Pasthrough of Embeded PCI Devices On ML350
The following workaround exists to passthrough pci device on the ML350 Gen 9 ==> https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c04781229. I am able to passthrough pci devices on all physical pci slots.
How do I successfully passthrough embedded pci devices? I am trying to passthrough the embeddedHPE Smart Array P440ar to a VM.
Currently I get the following error;
Device is ineligible for IOMMU domain attach due to platform RMRR requirement. Contact your platform vendor
Any help appreciated.
Thank you!
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11-05-2019 05:58 AM
11-05-2019 05:58 AM
Re: PCI Pasthrough of Embeded PCI Devices On ML350
Hi,
As per the advisory it shows the below resolution which does not include smart array controllers:-
RESOLUTION
For a subset of configurations, PCI device assignment can be enabled on systems affected by this change. The resolution requires a specific ROM update, configuration and in some cases a NIC firmware update. Configurations that can support PCI device assignment include:
- HPE ProLiant Gen8 and HPE ProLiant Gen9-series servers with GPUs
- HPE ProLiant Gen8-series servers with HPE PCI network adapters using Intel Ethernet controllers or third-party NICs
- HPE ProLiant Gen9-series servers with HPE network adapters using Intel Ethernet controllers
- HPE ProLiant Gen9-series servers with HPE NICs using Mellanox ConnectX3 Controllers
- HPE ProLiant Gen9-series servers with third-party NICs
However if you still want to enable or disable HPE Shared Memory Features for P440ar then please follow below steps:-
Log into System Utilities>>System Configuration>>BIOS/Platform Configuration>> Scroll down and select P440ar >> HPE Shared Memory Features Enable/Disable option is available here.
What Enable and Disable of this feature does:-
Enable / Disable usage of reserved memory regions to allow direct assignment of device to guest virtual machines.
Regards,
Bunsol.
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