Date: Tue, 13 Jun 2023 16:54:20 +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-yOWuJs1DRP@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-271983-227@https.bugs.freebsd.org/bugzilla/> References: <bug-271983-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D271983 Mark Johnston <markj@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Open CC| |markj@FreeBSD.org --- Comment #1 from Mark Johnston <markj@FreeBSD.org> --- sched_bind() moves the calling thread to a different CPU, so here it's swit= ched off the old CPU and waiting for a chance to run on the new one. If that's = not happening quickly, it's probably because some other, higher-priority thread= is monopolizing the target CPU. top -H ought to be able to confirm whether th= at's the case. --=20 You are receiving this mail because: You are the assignee for the bug.=
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