Re: missing memory with uefi

[Mark Davies <mark%ecs.vuw.ac.nz@localhost>]

On 1/05/19 9:06 pm, Michael van Elst wrote:
> efiboot has a 'memmap' command that tells you what memory is
> reported by UEFI. Maybe that helps to find out where the memory
> goes missing.

If it helps someone this is what it reported:


0000000000000000/0000000000000fff available [BootServicesCode]
0000000000001000/000000000000ffff available [ConventionalMemory]
0000000000010000/0000000000013fff available [BootServicesCode]
0000000000014000/0000000000061fff available [ConventionalMemory]
0000000000062000/000000000008dfff available [BootServicesCode]
000000000008e000/000000000008ffff available [ConventionalMemory]
0000000000090000/000000000009ffff available [BootServicesCode]
00000000000a0000/00000000000fffff reserved [Reserved]
0000000000100000/0000000000bfffff available [ConventionalMemory]
0000000000c00000/0000000000ffffff available [BootServicesCode]
0000000001000000/000000004c2cffff available [ConventionalMemory]
000000004c2d0000/000000004c3cffff available [BootServicesData]
000000004c3d0000/000000005bd59fff available [ConventionalMemory]
000000005bd5a000/000000005be59fff available [LoaderData]
000000005be5a000/000000005be92fff available [LoaderCode]
000000005be93000/000000005c046fff available [BootServicesData]
000000005c047000/000000005c095fff available [BootServicesCode]
000000005c096000/000000005c0e4fff available [BootServicesData]
000000005c0e5000/000000005c167fff available [BootServicesCode]
      ...
000000005f5c2000/000000005f609fff reserved [RuntimeServicesCode]
      ...
000000005f84a000/000000005f84dfff available [LoaderData]
000000005f84e000/000000005f863fff available [BootServicesCode]
000000005f864000/000000005f86afff available [BootServicesData]
000000005f86b000/000000005f86dfff available [LoaderData]
      ...
00000000611be000/00000000651bdfff reserved [Reserved]
      ...
000000006c2cf000/000000006c3cefff reserved [RuntimeServicesData]
000000006c3cf000/000000006c5cefff reserved [RuntimeServicesCode]
000000006c5cf000/000000006e7cefff reserved [Reserved]
000000006e7cf000/000000006f5fefff ACPI NVS [ACPIMemoryNVS]
000000006f5ff000/000000006f7fefff ACPI reclaimable [ACPIReclaimMemory]
000000006f7ff000/000000006f7fffff available [BootServicesData]
000000006f800000/000000007fffffff reserved [Reserved]
0000000080000000/000000008fffffff reserved [MemoryMappedIO]
00000000fe000000/00000000fe010fff reserved [MemoryMappedIO]
0000000100000000/000000087fffffff available [ConventionalMemory]


where the "..." sections are repeated chunks of [BootServicesCode] and
[BootServicesData]

cheers
mark