Re: port-amd64/59756: NetBSD 10.1 UEFI bootloader does not work on ASRock Rack B650D4U mainboard with EPYC 4005 series CPU

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

The following reply was made to PR port-amd64/59756; it has been noted by GNATS.

From: RVP <rvp%SDF.ORG@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: port-amd64/59756: NetBSD 10.1 UEFI bootloader does not work on
 ASRock Rack B650D4U mainboard with EPYC 4005 series CPU
Date: Fri, 14 Nov 2025 23:59:39 +0000 (UTC)

 On Fri, 14 Nov 2025, Bernd Sieker via gnats wrote:
 
 > It works halfway. The efi bootloader now loads and displays the NetBSD
 > boot menu, but after it loads the kernel, the screen goes blank and
 > stays that way. It does not appear to boot, e. g. no dhcp packets are seen.
 >
 
 Does booting in uniprocessor mode work?
 
 boot -1
 
 at the bootloader prompt. (https://man.netbsd.org/amd64/boot.8)
 
 -RVP