[bug #64471] grub efi memory allocation (efi/mm) does not work on every machine

Follow-up Comment #14, bug #64471 (project grub):

Desktop e820 with 32GB output.


dmesg | awk '/usable/ && /BIOS-e820/ && match($0, /mem
([0-9a-z]+)-([0-9a-z]+)/,aa){s=strtonum(aa[1]);e=strtonum(aa[2]);if(e-s>1*1024*1024*1024)printf("0x%x-0x%x
%dGB\n",s,e,((e-s)/1024/1024/1024))}'
0x100000000-0x8bfffffff 30GB



2023-07-16T11:19:50.846357+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x0000000000000000-0x000000000009dfff] usable
2023-07-16T11:19:50.846359+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x000000000009e000-0x000000000009efff] reserved
2023-07-16T11:19:50.846359+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] usable
2023-07-16T11:19:50.846360+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved
2023-07-16T11:19:50.846360+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x0000000000100000-0x0000000035f37fff] usable
2023-07-16T11:19:50.846361+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x0000000035f38000-0x0000000039037fff] reserved
2023-07-16T11:19:50.846362+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x0000000039038000-0x00000000392b0fff] ACPI data
2023-07-16T11:19:50.846363+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000392b1000-0x0000000039370fff] ACPI NVS
2023-07-16T11:19:50.846364+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x0000000039371000-0x0000000039f65fff] reserved
2023-07-16T11:19:50.846364+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x0000000039f66000-0x0000000039ffefff] type 20
2023-07-16T11:19:50.846365+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x0000000039fff000-0x0000000039ffffff] usable
2023-07-16T11:19:50.846365+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x000000003a000000-0x000000003dffffff] reserved
2023-07-16T11:19:50.846366+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x000000003ee00000-0x000000003fffffff] reserved
2023-07-16T11:19:50.846368+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000c0000000-0x00000000cfffffff] reserved
2023-07-16T11:19:50.846368+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000fc000000-0x00000000fc00ffff] reserved
2023-07-16T11:19:50.846368+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000fe000000-0x00000000fe010fff] reserved
2023-07-16T11:19:50.846369+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
2023-07-16T11:19:50.846369+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000fed00000-0x00000000fed00fff] reserved
2023-07-16T11:19:50.846370+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000fed20000-0x00000000fed7ffff] reserved
2023-07-16T11:19:50.846370+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
2023-07-16T11:19:50.846382+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
2023-07-16T11:19:50.846387+03:00 axet-desktop kernel: [    0.000000]
BIOS-e820: [mem 0x0000000100000000-0x00000008bfffffff] usable



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