Hi, new subscriber here. We have a problem with Grub 2 and its use of
SNP instead of MNP. Our UEFI driver for a network card parses the
relevant DHCP options for iSCSI boot, generates an iBFT table, then gets
closed by Grub when it opens the SNP interface. The driver removes the
iBFT table as part of normal unload cleanup. I think this should happen
with the Tianocore UEFI reference driver as well. The problem is often
masked or does not occur when there are multiple network ports enabled.
It occurs with several different vendors NICs.
Possible solutions I see:
1. Grub parses the DHCP options and creates its own iBFT.
2. Grub copies the already generated iBFT before destroying the interface.
3. Grub opens the network interface MNP instead of SNP.
Although I am a neophyte at grub and UEFI development, I would like to
start a discussion on possible solutions. Has anyone else seen this?
Micah Parrish
micah.parr...@hpe.com
Linux OS Engineer
Hewlett-Packard Enterprise
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