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Date:      Tue, 13 Jun 2023 19:27:46 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 271983] mi_switch hang in KVM on Sapphire Rapids running NET_EPOCH_DRAIN_CALLBACKS
Message-ID:  <bug-271983-227-dGP39xcxhd@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-271983-227@https.bugs.freebsd.org/bugzilla/>

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

--- Comment #3 from Mark Johnston <markj@FreeBSD.org> ---
(In reply to R. Christian McDonald from comment #2)
That is pretty weird.  Could you share the output of "procstat -kka" while the
hang is occurring?

Do you have INVARIANTS enabled?

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