John & Thomas Thanks both - if you can ping me a suitable patch I'll test it and let you all know ASAP!
Neil On Wed, 21 Aug 2019 at 19:51, Thomas Gleixner <[email protected]> wrote: > > On Wed, 21 Aug 2019, John Hubbard wrote: > > On 8/21/19 10:05 AM, Neil MacLeod wrote: > > static void sanitize_boot_params(struct boot_params *boot_params) > > { > > ... > > const struct boot_params_to_save to_save[] = { > > BOOT_PARAM_PRESERVE(screen_info), > > BOOT_PARAM_PRESERVE(apm_bios_info), > > BOOT_PARAM_PRESERVE(tboot_addr), > > BOOT_PARAM_PRESERVE(ist_info), > > BOOT_PARAM_PRESERVE(acpi_rsdp_addr), > > BOOT_PARAM_PRESERVE(hd0_info), > > BOOT_PARAM_PRESERVE(hd1_info), > > BOOT_PARAM_PRESERVE(sys_desc_table), > > BOOT_PARAM_PRESERVE(olpc_ofw_header), > > BOOT_PARAM_PRESERVE(efi_info), > > BOOT_PARAM_PRESERVE(alt_mem_k), > > BOOT_PARAM_PRESERVE(scratch), > > BOOT_PARAM_PRESERVE(e820_entries), > > BOOT_PARAM_PRESERVE(eddbuf_entries), > > BOOT_PARAM_PRESERVE(edd_mbr_sig_buf_entries), > > BOOT_PARAM_PRESERVE(edd_mbr_sig_buffer), > > BOOT_PARAM_PRESERVE(e820_table), > > BOOT_PARAM_PRESERVE(eddbuf), > > }; > > I think I spotted it: > > - boot_params->acpi_rsdp_addr = 0; > > + BOOT_PARAM_PRESERVE(acpi_rsdp_addr), > > And it does not preserve 'hdr' > > Grr. I surely was too tired when staring at this last time. > > Thanks, > > tglx

