On Wed, May 13, 2020 at 07:00:12AM +0000, Idgar, Or wrote: > > For what type of device? > NTB (Non-Transparent Bridge). Very odd quoting style... Anyway, what exactly is a non-transparent bridge, and why doesn't your bios/uefi implementation properly reserve the memory for it so that the OS does not use it? thanks, greg k-h