9d+Az+i23pX+Ywyvuf7K/p1fr1jX/Eehl/rFQTH vd2i6Wkz+jHfUIXiv8KnJm9PIBRH/2xoL03Bl+vBqnG310nUL6CtmODN+HcdqShbHBAec+ tMnsvP0/hy3K3PKPZv4LtL/D6ZDfpD/cXck2QOdRHjVb98Q7HULEqVWwXVyiFw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1775666421; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=/4R7sx4MOVbGrGSer0GJIjed8AP6/mzJYmN/FJhzaMw=; b=F2lCM5k5LI7JPxWtIVqRK3met2tPSqcKPN6CKtIlpbuNq9pXPC+IBJnfdgkwdWWfVID0cT ZZ3XqZbGOnA+E73K39BUXDTMRdoC1RBGLwKznwX4UdIt+VilGy03PzbU/ljX69m8CWTNrq +7DA2O3P9A7prHxAtUkYwv1LMOX0FRFdYrspC9kTPWQrlbNbo2FNjAPO/nQJ0g0z/ruBMi al0simeRqJbtvKciNiLD9C6D2W4XpKhpV1u4QyOZheO4vEqxiVGfOuglORYd1zYzBXvvUX nYluI6Urimy9hUuLM+8fi4G7F7VykgdSVx5rYyTrN+OU/KBhUqTcce5VXoINdg== Received: from smtpclient.apple (unknown [IPv6:2001:19f0:6001:9db:98f0:9fe0:3545:10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: zlei/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4frTM711XQz4Jg; Wed, 08 Apr 2026 16:40:18 +0000 (UTC) (envelope-from zlei@FreeBSD.org) Content-Type: multipart/signed; boundary="Apple-Mail=_77A5C17C-971C-4A95-9AF2-C37B7167C3E4"; protocol="application/pgp-signature"; micalg=pgp-sha512 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.10\)) Subject: Re: FreeBSD guest on Linux KVM, some vtnet(4) packets don't arrive From: Zhenlei Huang In-Reply-To: Date: Thu, 9 Apr 2026 00:40:10 +0800 Cc: net@freebsd.org Message-Id: References: <28495B68-0BD1-4372-806C-C766DBCB8410@FreeBSD.org> To: Lexi Winter X-Mailer: Apple Mail (2.3696.120.41.1.10) --Apple-Mail=_77A5C17C-971C-4A95-9AF2-C37B7167C3E4 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > On Apr 9, 2026, at 12:05 AM, Lexi Winter wrote: >=20 > Lexi Winter wrote in : >> even with the network working, tcpdump is still not showing any = packets. >> i have no idea what's going on here or even where to start looking. >>=20 >> i'm currently installing a ppc64le guest on the same host to see if = that >> behaves any differently. >=20 > so, i tested on ppc64le and tcpdump works fine. >=20 > FreeBSD 16.0-CURRENT #0 main-n284768-e6eba5076929: Mon Mar 30 15:25:27 = UTC 2026 > = root@releng3.nyi.freebsd.org:/usr/obj/usr/src/powerpc.powerpc64le/sys/GENE= RIC64LE >=20 > this could be some sort of endian conversion issue, but since the = ppc64 > networking itself works fine, i would have thought any endian problems > would have surfaced before that. Nice ! To narrow down the problem, will you please test tcpdump with other = ethernet drivers, say if_bridge(8) and / or if_epair(8) ? Surely on PPC64 ( BE ). Best regards, Zhenlei --Apple-Mail=_77A5C17C-971C-4A95-9AF2-C37B7167C3E4 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iNUEARYKAH0WIQRj28YmNowGX1isJg7GJJ6Jgbd0XwUCadaE6l8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0NjNE QkM2MjYzNjhDMDY1RjU4QUMyNjBFQzYyNDlFODk4MUI3NzQ1RgAKCRDGJJ6Jgbd0 XwDFAP9Tc90fHCGM6KwtiyBtJS5zwlGsiXQFcb3AfSYAPwJFFQD/bojLvd/ifmB5 3h068J/ciqQbn8U3aSs82P8XGcwAwQ0= =U8Ct -----END PGP SIGNATURE----- --Apple-Mail=_77A5C17C-971C-4A95-9AF2-C37B7167C3E4--