Folks,
On my managed RHEL machines I usually have a Grub menu option to
re-install the box. I have recently upgraded this so that the menu
option runs ipxe.lkrn with an embedded script:
#!ipxe
:retry_dhcp
dhcp || goto retry_dhcp
chain tftp://tftp-server/pxelinux.0
On most machines this work very well. However, on newer hardware that
supports EFI (such as the Dell R710) when this Grub menu option is
chosen I see the following
iPXE initialising devices...
Try to free Memory without Signature
and the machine halts. These EFI machines are running in BIOS
compatibility mode, and legacy PXE from the BIOS works normally. (Our
DHCP servers aren't yet setup to handle EFI-PXE at all, yet.)
It seems that no one (or google) knows really anything about what causes
this error message and boot failure. Any clues?
Thanks,
Jack Neely
--
Jack Neely <jjne...@ncsu.edu>
Linux Czar, OIT Campus Linux Services
Office of Information Technology, NC State University
GPG Fingerprint: 1917 5AC1 E828 9337 7AA4 EA6B 213B 765F 3B6A 5B89
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