[Bug 271983] mi_switch hang in KVM on Sapphire Rapids running NET_EPOCH_DRAIN_CALLBACKS

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 271983] mi_switch hang in KVM on Sapphire Rapids running NET_EPOCH_DRAIN_CALLBACKS"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 13 Jun 2023 19:45:10 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271983

--- Comment #8 from Mark Johnston <markj@FreeBSD.org> ---
So this is a problem where the virtio random driver is constantly polling the
host for entropy but not getting it for some reason.  I'm not sure why that
would be - a bug in the virtio driver or some kind of restrictive configuration
by the hypervisor.

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