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re: port-amd64/59860: nvmm: support AVX2, AVX512, &c.

To: gnats-bugs%netbsd.org@localhost
Subject: re: port-amd64/59860: nvmm: support AVX2, AVX512, &c.
From: matthew green <mrg%eterna23.net@localhost>
Date: Mon, 13 Jul 2026 09:11:54 +1000

on my core ultra 125h i got this starting an nvmm guest:

panic: kernel diagnostic assertion "(xcr0 & ~__BITS(XSAVE_MAX_COMPONENT, 0)) == 0" failed: file "/usr/src3/sys/dev/nvmm/x86/nvmm_x86.c", line 476

it does not matter if i restrict it to run on only the p-cores,
or only on the e-cores (this CPU has 4 p-cores, 8 e-cores, and
2 le-cores.)


.mrg.

References:
- Re: port-amd64/59860: nvmm: support AVX2, AVX512, &c.
  - From: Taylor R Campbell via gnats

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