"try to free memory without signature"

[dcnieho]

Thanks for the reply!
In Linux, lspci -nn gives me:
02:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03)
for the only NIC i could use for PXE booting. This is the same on the working and not working machines. The Intel Boot Agent is exactly the same version as is the BIOS, which is the latest. Yeah, indeed i noticed that the onboard NIC doesn't have its own ROM.

Embarrassingly, I am not 100% sure what is being PXE booted exactly. I am using CloneDeploy in ipxe BIOS mode. looking at the log of my tftp server, a client first boots a file pxeboot.0 (as set in the DHCP options). If i read CloneDeploy sourcecode correctly, this file is undionly.kpxe