From nobody Tue Jun 13 19:25:19 2023 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Qgdmw28MQz4dfZ9 for ; Tue, 13 Jun 2023 19:25:20 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Qgdmv5ZL7z3Qn7 for ; Tue, 13 Jun 2023 19:25:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1686684319; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=opR0Ziugpba5y7guSmnfJslh3iwdzKqX6WQsANszLe4=; b=A3bUCbV9+0gWTkQzvV/4FuAe71FbtYC0gX17Hxp7tXOIt6+ma0E4sWyV04KjRzYU4Frf+Z w1WjCSLwPMa5D5ED+DiRlT+YPrG6yYxCxOFC/zAQkS0oT92UhkYesjFKzauLo8L2yTmsLl AuIZnfSDMXjHkr0pTMU7+72mHR1BxkdjvRzubDnFIuK0CfpAFROmIAB97Y712wDAtj/IFd Rgfiyzwkf2kiXNT2jgLlc4LkNuOdLZZA6QPye74inc75iv35HISc9O8Lw3OrPAVJY0m4ww T+Udft6cvQB7VwI8mjT0jtIGNZAAf6J9jcKptwu9eBZT2dXnRi385X5On7Hx/w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1686684319; a=rsa-sha256; cv=none; b=SvqbGeoE6oXE4Y+Q9KoU1eE2eVeNYt9fYcvdaSBK6yzH9bUPEoLnlLsp9nSq9kNaO3Dh1L YAUrFrIO4v2XDHVDjoNPjFuTQ9R1yWjBTqV1QSWlgLj6FbjWgk8P+8aYZtscNXZT5uCT8f tByKWLlnzg1jablILVjJM6tN27XDhxNqKmFyTzUNlvky/BgBCKXsBvNlADDpCwntxB5knh pfU1oDg5m/6OBdXDOm/oFDLBOBwTfGxWs4bAOsgOk5wlZFLEt9qrDep9j/7j0/CfK0JPTj IHbVyG2iN+5Bt/xJVS3/w2i6BfeOJ3hXf1yxPPiIjw8rQFCf18h0y33SoT1B5w== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4Qgdmv4gZtzZ30 for ; Tue, 13 Jun 2023 19:25:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 35DJPJK9057361 for ; Tue, 13 Jun 2023 19:25:19 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 35DJPJU9057360 for bugs@FreeBSD.org; Tue, 13 Jun 2023 19:25:19 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f 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 Date: Tue, 13 Jun 2023 19:25:19 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rcm@rcm.sh X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D271983 --- Comment #2 from R. Christian McDonald --- @markj Thanks for the clarification there. This only happens while running in a KVM guest (Ubuntu 22.04, 5.19 kernel) = and does not when running directly on the same hardware. Additionally, this happens on an otherwise idle box. --=20 You are receiving this mail because: You are the assignee for the bug.=