iSCSI and iBFT

["Tomas Pilar (tpilar)" <tpilar@solarflare.com>]

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Hi,

I have a bit of an esoteric problem. When I configure the software iscsi intiator that is part of EDK2 platform network stack, the platform network stack with install iBFT table into the ACPI tables so that the configuration can be picked up by further boot loaders and the OS. So far so good.

Problem: When I PXE boot into iPXE using my adapter, exit back into boot manager, the iBFT has disappeared. Alternatively, if I use iPXE to then boot WDS, the software initiator in WinPE won't find the iBFT table and therefore won't hook the network drive.

Observations:
* When I boot into UEFI shell on disk and exit back into boot manager, the iBFT is preserved.

* When I PXE boot into UEFI shell and exit, the iBFT is preserved.

* When I boot into iPXE on disk and exit, the iBFT is preserved.

* When I use a different adapter (Intel) to pxe boot into iBFT and exit back to boot manager, the iBFT has moved from the penultimate position to the last position in the ACPI tables. Almost as if something uninstalled the iBFT and reinstalled it.

Any ideas?

Cheers
Tom
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