From owner-freebsd-current@freebsd.org Sat Oct 3 15:37:42 2020 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id E404E4314D3 for ; Sat, 3 Oct 2020 15:37:42 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from mailgate.Leidinger.net (mailgate.leidinger.net [IPv6:2a00:1828:2000:313::1:5]) (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 mx1.freebsd.org (Postfix) with ESMTPS id 4C3WFx3lpHz4TXG; Sat, 3 Oct 2020 15:37:41 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from outgoing.leidinger.net (p508d42e7.dip0.t-ipconnect.de [80.141.66.231]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (Client did not present a certificate) by mailgate.Leidinger.net (Postfix) with ESMTPSA id 412266DF; Sat, 3 Oct 2020 17:37:38 +0200 (CEST) Received: from webmail.leidinger.net (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (Client did not present a certificate) by outgoing.leidinger.net (Postfix) with ESMTPS id 50F6B7482; Sat, 3 Oct 2020 17:37:18 +0200 (CEST) Date: Sat, 03 Oct 2020 17:37:16 +0200 Message-ID: <20201003173716.Horde.Fjm6kXI836h4ZCLH5SwQkST@webmail.leidinger.net> From: Alexander Leidinger To: Kristof Provost Cc: Shawn Webb , FreeBSD Current Subject: Re: iflib/bridge kernel panic References: <58CADEBB-64FD-414E-AB19-E4F8D3CABCA5@FreeBSD.org> <20200921121627.3dovpumnl6xub3kn@mutt-hbsd> <7FE1F106-2CEE-4692-95D0-14C5229ED768@FreeBSD.org> <20200928124531.Horde.0EjsBzIG5ktLzby_tFcoPPS@webmail.leidinger.net> <33903BFF-4158-4CD9-AD79-360BCD81F1C9@FreeBSD.org> <20200928164410.Horde.mYBkuEeD_Q6xgnKnwNomv7P@webmail.leidinger.net> <6A5EFCFA-C0DC-4DEF-834B-2F9E4FCC8812@FreeBSD.org> <20200930135225.Horde.nVCxwqfnkoJfolbDU0hqqXf@webmail.leidinger.net> In-Reply-To: Accept-Language: de,en Content-Type: multipart/signed; boundary="=_KztO-z1lELf1v4cDVqtaBWx"; protocol="application/pgp-signature"; micalg=pgp-sha1 MIME-Version: 1.0 X-Rspamd-Queue-Id: 4C3WFx3lpHz4TXG X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.35 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[leidinger.net:s=outgoing-alex]; NEURAL_HAM_MEDIUM(-1.02)[-1.019]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.03)[-1.034]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[leidinger.net:+]; DMARC_POLICY_ALLOW(-0.50)[leidinger.net,quarantine]; NEURAL_HAM_SHORT(-0.20)[-0.202]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:34240, ipnet:2a00:1828::/32, country:DE]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current]; RECEIVED_SPAMHAUS_PBL(0.00)[80.141.66.231:received] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Oct 2020 15:37:42 -0000 This message is in MIME format and has been PGP signed. --=_KztO-z1lELf1v4cDVqtaBWx Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Kristof Provost (from Sat, 03 Oct 2020=20=20 16:06:43=20+0200): > Okay, let=E2=80=99s abandon that patch. It=E2=80=99s ugly and it doesn=E2= =80=99t work. > > Here=E2=80=99s a different approach that I=E2=80=99m much happier with. > https://people.freebsd.org/~kp/0001-bridge-Call-member-interface-ioctl-wi= thout-NET_EPOCH.patch > > It passes the regression tests with WITNESS and INVARIANTS enabled,=20=20 >=20and a hack in the epair ioctl() handler to make it sleep (to look a=20= =20 >=20bit like the Intel ioctl() handler that currently trips up if_bridge). Works for me. No crash, no LOR, promisc-mode stays enabled, jails are reachable. Bye, Alexander. --=20 http://www.Leidinger.net=20Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_KztO-z1lELf1v4cDVqtaBWx Content-Type: application/pgp-signature Content-Description: Digitale PGP-Signatur Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJfeJqsAAoJEBINsJsD+NiGdHwP/3ClGTg9sSCB8duFcZx9cXg3 Tufy1EPUxcVafZOMWIuyL6VMP/q/Viq7jlJ2+WS5P9oc/SDkG7O0Qup1AU4ODL++ cQM4xduBuOphHeeVk1A/I1zHRCqDNXDRytQfCSqClFrP3I9pLj0twOgzNblv2t8E AmqtxhEI1kJVD2iPEzpTUlNXiqFJ4QKbqrUgXx7WOyUiAVy3flpr+UWxnE9Rxe6k dvwlrJMgMAI7KOpqR9MK4MM82t9jlSLtDqZNMnKGbLsQfEI9md/s9c++KbLHfNjO jjMvG97C0CE4qIbeQOeAh+Th6XubzeKfqWfWNJmU8RAXFW2hHbVuJXXxp13KCRQB WzCPpYU3WRXdaeFz3aYHRHRq75tC1nxlI1ZyXmGUkEdvsdOLQ9pRiDOgpzVlAePI /WFgmNvxobaJWuNX/3+JAiDtxCTkeFLfyb99On0aZP6pAIyvMjPrj9m8K6mM1SW3 YnMMq2fcjcyt2UZyXYWKYuhIa6AK+uRvGunkQcqIw9DNpqPAp8JV46BqjpV/NZNx IfHSv2p2VlvdBMme9NCW15s23bYU6ZFFdW8fSD3lgDGd7Ko7GSnOMb4/KW+8kSu2 CtlXr+G+EI/70DiaLwrv2rB0A8y0iLPqJLIP/4dZr3pLoshztAjGPQYgJEHati1L 74hNQBIgBBYJGx0R+FV5 =xk1s -----END PGP SIGNATURE----- --=_KztO-z1lELf1v4cDVqtaBWx--