[Bug 291577] 15.0-RELEASE install panic on Hyper-V Generation 2 Virtual Machine (2+ vCPUs)

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 05 Oct 2026 20:03:53 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291577

--- Comment #5 from ShengYi Hung <aokblast@FreeBSD.org> ---
(In reply to centron GmbH - Technischer Support from comment #4)
It faills back to original IPI based flush instead of using hcall provided by
hyperv. It should be slower. Could you please check
https://reviews.freebsd.org/D60380 fix the problem or not. Remember to delete
the sysctl knob before trying it.

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