From nobody Thu Oct 13 16:54:24 2022 X-Original-To: virtualization@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 4MpFwx0stpz4f8MW for ; Thu, 13 Oct 2022 16:54:25 +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 4MpFww6Y5zz3Z7D for ; Thu, 13 Oct 2022 16:54:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) 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 4MpFww5ZfgzTPx for ; Thu, 13 Oct 2022 16:54:24 +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 29DGsOpc018945 for ; Thu, 13 Oct 2022 16:54:24 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 29DGsOVK018944 for virtualization@FreeBSD.org; Thu, 13 Oct 2022 16:54:24 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: virtualization@FreeBSD.org Subject: [Bug 267023] bhyve exit on hlt subtly broken on VT-x Date: Thu, 13 Oct 2022 16:54:24 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bhyve X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jhb@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: virtualization@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-virtualization@freebsd.org X-BeenThere: freebsd-virtualization@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1665680064; 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; bh=VLoySUznILA6VCnaBqxmH+5W5gKaYX/EEYZtpbCVwbg=; b=SmN2W6Eo781jOr4O2CCRpgTHAvoT6N21qyJ50GFWdAmPVMTiRulL02DglolJI49LASQkI1 2S6WUmax6REwgB+5MxroOlM6CZqTZi6f9m9GxWyq1NefpRA8hkOx8jf6QWaPZiZFHd5BrE 1M315Ds1PdMdtU0X8etl1/A1VT6IB1+8uix2/dsQehpQzu6bcf1o/5HNJ3tUU4Q46jcaCS h2RXn45t7y/wZqBxE0tGZxz3otMMqGI1Gi67NqZ/OFPVHNrHoLYVQyhhAyfbvJyU912fqu cM2KqQPMl+vuCCuMF4Gr5hbQVJfcrz1l5sLQgFZdFpWQiaJVdE7pc6U0nhCLDQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1665680064; a=rsa-sha256; cv=none; b=lf6svEXS/iTagOvNYcwuBUAhGRPzfrB9AWSAerfV3kIidijJg7YQS2a7zrydFS9QvtH3hx ooRzpXP34Frp/Srm2yci/BMV0v9gQEetifgOK1Lsg92qWzb8MydEXTLvr0PaZpbvs+4cyO cHSxVP5tzoumQT4RE8d6pwIhKJCGx4DpdDhP0dbkf8CM4z0a9N3YZv7+T77dC/OXBjfdgG 1UA4KRtdxoMJ95kWohHtVDtIdDlquOtOB5jsOjHUYe4MsNyR3WpBsHQtiCpIsZXmRKkjr8 eND41ZPmSuP+pXXNi3E8uMfo2U6a3ClXwXvXVLZnXruxp0PEr+gJTsYlWlX2gg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D267023 Bug ID: 267023 Summary: bhyve exit on hlt subtly broken on VT-x Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bhyve Assignee: virtualization@FreeBSD.org Reporter: jhb@FreeBSD.org The VMCS contains a field that is set to 1 to indicate that there is a pend= ing HLT. In this state, vmxrun will still HLT on resume even if, e.g., the RIP= has been updated to point to a different instruction. VMMs are required to explicitly clear this field after a VMexit due to a HLT if the processor sh= ould resume. See also: https://www.illumos.org/issues/15079 --=20 You are receiving this mail because: You are the assignee for the bug.=