Re: port-amd64/60405: UEFI boot hangs with blank screen

["Martin Husemann via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR port-amd64/60405; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: port-amd64/60405: UEFI boot hangs with blank screen
Date: Sun, 5 Jul 2026 13:17:50 +0200

 On Sun, Jul 05, 2026 at 10:55:01AM +0000, RVP via gnats wrote:
 >  What does the memory map (`memmap compact`) looks like. Maybe there's something
 >  in the way and you have to `reloc` the kernel?
 
 > memmap compact
 Type                    Start             End               Attributes      
 ----------------------  ----------------  ----------------  ----------------
 Conventional Memory     0000000000000000  000000000009efff  000000000000000f
 Runtime Services Data   000000000009f000  000000000009ffff  800000000000000f
 Conventional Memory     0000000000100000  00000000deb89fff  000000000000000f
 Runtime Services Code   00000000deb8a000  00000000debcafff  800000000000000f
 Runtime Services Data   00000000debcb000  00000000debfafff  800000000000000f
 Runtime Services Code   00000000debfb000  00000000dec0ffff  800000000000000f
 Runtime Services Data   00000000dec10000  00000000dec1dfff  800000000000000f
 Runtime Services Data   00000000dec1e000  00000000dec1ffff  800000000000000f
 Runtime Services Data   00000000dec20000  00000000dec21fff  800000000000000f
 Runtime Services Data   00000000dec22000  00000000dec39fff  800000000000000f
 Reserved Memory Type    00000000dec3a000  00000000dee02fff  000000000000000f
 ACPI Memory NVS         00000000dee03000  00000000dee86fff  000000000000000f
 Reserved Memory Type    00000000dee87000  00000000df0dffff  000000000000000f
 Reserved Memory Type    00000000df0e0000  00000000df0e6fff  000000000000000f
 Reserved Memory Type    00000000df0e7000  00000000df139fff  000000000000000f
 ACPI Memory NVS         00000000df13a000  00000000df14bfff  000000000000000f
 ACPI Memory NVS         00000000df14c000  00000000df38cfff  000000000000000f
 ACPI Reclaim Memory     00000000df38d000  00000000df399fff  000000000000000f
 ACPI Memory NVS         00000000df39a000  00000000df3b9fff  000000000000000f
 ACPI Reclaim Memory     00000000df3ba000  00000000df3bdfff  000000000000000f
 ACPI Reclaim Memory     00000000df3be000  00000000df3befff  000000000000000f
 ACPI Memory NVS         00000000df3bf000  00000000df401fff  000000000000000f
 Conventional Memory     00000000df402000  00000000df7fffff  000000000000000f
 MMIO                    00000000f8000000  00000000fbffffff  8000000000000001
 MMIO                    00000000fec00000  00000000fec00fff  8000000000000001
 MMIO                    00000000fed00000  00000000fed03fff  8000000000000001
 MMIO                    00000000fed1c000  00000000fed1ffff  8000000000000001
 MMIO                    00000000fee00000  00000000fee00fff  8000000000000001
 MMIO                    00000000ff000000  00000000ffffffff  8000000000000001
 Conventional Memory     0000000100000000  000000041effffff  000000000000000f
 
 
 So I have three areas "Conventional Memory", the kernel would fit into
 two of them, but not the middle one starting at 00000000df402000
 (if I did my math correctly).
 
 Martin