(Error code 341820)
This error originated from one of the following locations within the iPXE source code:
DEBUG=xferbuf
(Please edit this page to include any of your own useful hints and tips for fixing this error.)
If you are loading large files you might get this if there isn't enough usable memory.
For pcbios
boot the memory is especially limited in different ways, even if there is magnitudes more RAM installed in the machine, see http://forum.ipxe.org/showthread.php?tid=11991 and http://lists.ipxe.org/pipermail/ipxe-devel/2016-March/004793.html