* Dave Young <dyoung@xxxxxxxxxx> wrote: > On 12/04/19 at 03:52pm, Dave Young wrote: > > Michael Weiser reported he got below error during a kexec rebooting: > > esrt: Unsupported ESRT version 2904149718861218184. > > > > The ESRT memory stays in EFI boot services data, and it was reserved > > in kernel via efi_mem_reserve(). The initial purpose of the reservation > > is to reuse the EFI boot services data across kexec reboot. For example > > the BGRT image data and some ESRT memory like Michael reported. > > > > But although the memory is reserved it is not updated in X86 e820 table. > > And kexec_file_load iterate system ram in io resource list to find places > > for kernel, initramfs and other stuff. In Michael's case the kexec loaded > > initramfs overwritten the ESRT memory and then the failure happened. > > s/overwritten/overwrote :) If need a repost please let me know.. No need, I've edited the typo. :) Thanks, Ingo
