From nobody Fri Jun 18 16:17:28 2021 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 A52B65D1D6D for ; Fri, 18 Jun 2021 16:17:28 +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 4G63wm4GNvz4vfK for ; Fri, 18 Jun 2021 16:17:28 +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 7A7CC25CF1 for ; Fri, 18 Jun 2021 16:17:28 +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 15IGHS0Z095742 for ; Fri, 18 Jun 2021 16:17:28 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 15IGHSSF095741 for bugs@FreeBSD.org; Fri, 18 Jun 2021 16:17:28 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 256696] vmx not delivering large icmp6 packet Date: Fri, 18 Jun 2021 16:17:28 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jcaplan@blackberry.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@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: 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=3D256696 Bug ID: 256696 Summary: vmx not delivering large icmp6 packet Product: Base System Version: 13.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: jcaplan@blackberry.com Overview -------- Loss of packet when sending a large icmp6 packet to a vmx interface. Steps to Reproduce ------------------ FreeBSD VM: # ifconfig vmx0 vmx0: flags=3D8863 metric 0 mtu 1500 =20=20=20=20=20=20=20 options=3D4e403bb ether 00:0c:29:72:5a:0e inet6 fe80::20c:29ff:fe72:5a0e%vmx0 prefixlen 64 scopeid 0x4 media: Ethernet autoselect status: active nd6 options=3D23 Linux host: ping6 -n -s5000 -c1 fe80::20c:29ff:fe72:5a0e%vmnet20=20 PING fe80::20c:29ff:fe72:5a0e%vmnet20(fe80::20c:29ff:fe72:5a0e%vmnet20) 5000 data bytes --- fe80::20c:29ff:fe72:5a0e%vmnet20 ping statistics --- 1 packets transmitted, 0 received, 100% packet loss, time 0ms Actual Results -------------- no response from target and can't see packet on tcpdump Expected Results: ----------------- with em driver: vm: # ifconfig em0 em0: flags=3D8863 metric 0 mtu 1500 =20=20=20=20=20=20=20 options=3D481009b ether 00:0c:29:72:5a:04 inet6 fe80::20c:29ff:fe72:5a04%em0 prefixlen 64 scopeid 0x1 host: ping6 -n -s5000 -c1 fe80::20c:29ff:fe72:5a04%vmnet8=20 PING fe80::20c:29ff:fe72:5a04%vmnet8(fe80::20c:29ff:fe72:5a04%vmnet8) 5000 = data bytes 5008 bytes from fe80::20c:29ff:fe72:5a04%vmnet8: icmp_seq=3D1 ttl=3D64 time= =3D0.578 ms --- fe80::20c:29ff:fe72:5a04%vmnet8 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev =3D 0.578/0.578/0.578/0.000 ms Build date ---------- FreeBSD freebsd 13.0-RELEASE FreeBSD 13.0-RELEASE #0 releng/13.0-n244733-ea31abc261f: Fri May 21 13:52:55 UTC 2021=20=20=20=20 jcaplan@freebsd:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 --=20 You are receiving this mail because: You are the assignee for the bug.=