Date: Sat, 03 Oct 2020 17:37:16 +0200 From: Alexander Leidinger <Alexander@leidinger.net> To: Kristof Provost <kp@freebsd.org> Cc: Shawn Webb <shawn.webb@hardenedbsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: iflib/bridge kernel panic Message-ID: <20201003173716.Horde.Fjm6kXI836h4ZCLH5SwQkST@webmail.leidinger.net> In-Reply-To: <B851D1E5-7824-4BD3-A4AF-5F2EDA44D88E@FreeBSD.org> References: <CAExMvskTkVprZsfXHBUv9stpiCo1QBAzoOg1VrWd4kRbz0NyJg@mail.gmail.com> <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> <B851D1E5-7824-4BD3-A4AF-5F2EDA44D88E@FreeBSD.org>
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[-- Attachment #1 --] Quoting Kristof Provost <kp@freebsd.org> (from Sat, 03 Oct 2020 16:06:43 +0200): > Okay, let’s abandon that patch. It’s ugly and it doesn’t work. > > Here’s a different approach that I’m much happier with. > https://people.freebsd.org/~kp/0001-bridge-Call-member-interface-ioctl-without-NET_EPOCH.patch > > It passes the regression tests with WITNESS and INVARIANTS enabled, > and a hack in the epair ioctl() handler to make it sleep (to look a > bit 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. -- http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF [-- Attachment #2 --] -----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-----
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