Re: port-amd64/57661: Crash when booting on Xeon Silver 4416+ in KVM/Qemu

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

The following reply was made to PR port-amd64/57661; it has been noted by GNATS.

From: Harold Gutch <logix%foobar.franken.de@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: port-amd64-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost, riastradh%NetBSD.org@localhost, manu%NetBSD.org@localhost,
        andrew.cagney%gmail.com@localhost
Subject: Re: port-amd64/57661: Crash when booting on Xeon Silver 4416+ in KVM/Qemu
Date: Fri, 11 Apr 2025 20:32:46 +0200

 Success for me (in a VM) with your patch.
 
   [     1.000004] cpu0 at mainbus0 apid 0
   [     1.000004] cpu0: Use lfence to serialize rdtsc
   [     1.000004] cpu0: Intel(R) Xeon(R) Silver 4416+, id 0x806f8
   [     1.000004] cpu0: node 0, package 0, core 0, smt 0
   [...]
 
 and the system reaches multiuser.
 
   : {7} ./xfeat2
   XFeatureSupportedMask[0:31]	= 0x602e7<x87 FPU/MMX,SSE,AVX,Opmask,ZMM_Hi256,Hi16_ZMM,PKRU>
   XFeatureEnabledSizeMask		= 0xa80
   XFeatureSupportedSizeMask	= 0x2b00
   XFeatureSupportedMask[32:63]	= 0
   xcr0				= 0xe7<x87 FPU/MMX,SSE,AVX,Opmask,ZMM_Hi256,Hi16_ZMM>
 
 
 thanks!
   Harold