From owner-freebsd-current@freebsd.org Mon Sep 17 12:27:59 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 925EE109BFAC; Mon, 17 Sep 2018 12:27:59 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [148.251.9.81]) by mx1.freebsd.org (Postfix) with ESMTP id 0A9447A8CB; Mon, 17 Sep 2018 12:27:58 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.168.23.186] (unknown [89.113.128.32]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id B4E06C6F; Mon, 17 Sep 2018 15:27:57 +0300 (MSK) Reply-To: lev@FreeBSD.org To: freebsd-net@freebsd.org, freebsd-current@freebsd.org From: Lev Serebryakov Subject: vtnet + gif (IPv4 in IPv4) + iperf3 leads to crash on ALPHA6 Openpgp: preference=signencrypt Autocrypt: addr=lev@FreeBSD.org; prefer-encrypt=mutual; keydata= xsFNBFKbGksBEADeguVs+XyJc3mL3iiOBqDd16wSk97YTJYOi4VsHsINzJr09oFvNDiaDBIi fLn2p8XcJvehcsF2GSgrfXfw+uK4O1jyNIKJmiYA0EtE+ZbRtvDrrE0w6Q8+SDeKA21SWh3Y vSQ0DJUontbgW55ER2CbEiIUTIn34uQ0kmESAaw/v5p/9ue8yPTmURvv130FqPFz8VPzltqL NxyGt54TxPfKAzAHEIwxlEZ63JOwzloKh1UDBExcsf9nJO08/TAVgR5UZ5njFBPzaaquhRoP qPJLEQQDqxPIlvMNtHKf7iIebE4BHeqgCdJA0BoiR6gpa0wlsZtdrTPK3n4wYSphLvGbhfOZ YW/hbcu7HYS/FImkVxB3iY17kcC1UTnx4ZaYeASPBGOOPbXky1lLfmDGWIFT//70yx+G17qD OZzF1SvJJhGvh6ilFYaWMX7T+nIp6Mcafc4D7AakXM+XdubNXOMlCJhzPcZ0skgAEnYV587w V7em5fDVwQccwvtfezzqKeJAU5TGiywBHSR5Svzk2FwRNf6M//hWkpq0SRR63iOhkHGOAEBi 69GfEIwH2/w24rLxP0E+Hqq8n+EWNkPatw1Mhcl5PKkdvGCjJUaGNMkpBffjyYo254JXRscR eEnwdIkJt4ErDvjb2/UrOFq31wWMOiLzJeVchAgvTHBMRfP9aQARAQABzShMZXYgU2VyZWJy eWFrb3YgPGxldkBzZXJlYnJ5YWtvdi5zcGIucnU+wsGCBBMBCAAsAhsDBwsJCAcDAgEGFQgC CQoLBBYCAwECHgECF4ACGQEFAlKbP8wFCQlmJwEACgkQ6rA8WL/cR4/6VBAAjRMyyX3PBFx/ HxyiIZ698EfwlWUua8Ft4crtrdK52m0qNkbBB9BH8xQgBHG32A1CwyzQnzxHgZuoOWMjh+Qq WJv7dmpM/q/c1GCJHhlPgewXrciTwpAamZILN071u+1GCPWwGRPzfQ/U+k63KJWx9ozf4doM WTTom6Cqcssi4J1u5kkt52a5ZRhsCK9pEVGilk36XTP9BakGrnMSIxF/NK4xeZVX2q+Nuqvf RchyofKXVgLEDLwb1cd/baLtBpDzy0PTN2Zl2lX4kOA6jwTKsqRya9A1Vui1KXwPh2XViTQ1 7Y3l5qg/M+sR73DohezP6bO6huOnLhty17jAqHPNlD6RonDo+j8uIlEg4iMSTN3MhzkBAu0Q pe3ucQ0o1767JiXN3fsNvRzSFhLVNDqPLce4uKlMogsbreXWvdgHGTN1ybOHGbybZnP77yHz uNBacbmG3vL/OLXMqwLdL2JXoiec4DmXjjCdhTBl5xLV9Hz/6VWKqElteg8QFVvHB3tHWzJ4 /rpiVEixytCIII6DS33BXZ0h2EOkK/6AYA2SJxy1vgOH4SZBtDBHoezmHV2nFnq5O0c7AuAB 7WPWgQG0sEwHQPZmg/baRGitRJnaxf/Gvf1DeD1x1VrcoVke2vwBcgDM3kugP8L9hsqic2D3 dI+gP76haeuvNNZr3y9L9zvOwU0EUpsaSwEQALRr3B+OjY/cnJPstz5CVsVWyEZtJtrNviZr tBgbkhlkPm98sEWR4+gbpyeufdYJengDjeGzMDKcLB7h5fICS/j6A8XdlJ40TlbPfNgb6OHa ebaIYKTJpXKR9sD7ZyGivYMofm0em40wGUX7BIkdkomaWj+wUiS0CdXU0FWDj9wv73+Eim+X zZyXeFgIPv97v+pET7DfwKkADOfrkW9s4OfvGVjd+wm35wc8EngQEz0qdPBxx74X7vZFAxlA SXu8gDBJGYt2Bkc3QwULnfeXrZJWgqNPR5o44gGu96yaiOFaN/C6CJtev5ZEX+0ZxbvsHHB7 Z5AtsRURKpZ4w5HFHGhzHtDtoAKgeZ/gbhTVXPHvNQR818eN+Nl5BV8BRF/8yhR6VlJb8GYw h8oKDeVGVYC34+raHZQAM9WoBnN7jlt4T9zzPwtmw5mIahGFgvw1KDr7OItN2ZgtZ20UYC5m Go602nmHq0aPbU6SwGi1xohrliNsKaaciYiMaVIGRQq8iGr9Fe2HlvaA3BpB275i/gCVlUdG y5XLAv+yQMUvn5Z7XVsMroxDk/O+ae1ElyBvKiKyfWGJXTg5XUukkkyQmfWPxWUGoNA1P/P4 GMHSu7/Rqe/7m4uPu/RyTTqsSjjKJdP9kBwEzvqPtXsVoZuShtrptRQJDYflhgE4qmKSMKen ABEBAAHCwWUEGAECAA8FAlKbGksCGwwFCRLMAwAACgkQ6rA8WL/cR48RkA//SNzeW3CI8KHx rA0aeHW6Nb5ieoqVRBGLyjBM06RX6vHB9v4dJL6Z+yV2jGN2s+XZX2HILbuTOwcTxGkI3xTT e0cDXVaF5K8R/liigUjtwuC2v/sWgoWyUmK1Cy9CPYdcXmFq6nESfkUe8DYiGOUULdHq5w63 F53yOZ72iXRBQBZgkhPtRFu4lPYIzOsMag9DIJ9CthR1r0ziqU/keb94Qt3l+aXK7CwGdY7X T4zUIMHNYsuAuyX+NJIXfsN68TT6m7QmlUwxPs13nxmoVQzm4ruV+hlQKh1MtbsjWRkNgPxF IPiqoAEhy8QoddlSvRTwL5Z7zFQiwMdiXU7toL8pfzj/zJR1jELXKMipijrt5MLrV8XX3OPN yZZvh95VIl8mv+iAqwSZUufd2EJnvj5TObB0eH+a+34NWf/XqA3fPjE6KHzmdnw9PZjPEjlx JCPECSs+6gse1+GaEfKYuXzB/ENe2ctlcfx5iQJXFc+/+zG/uU/JX/pXJHA12CUfB5g7lH6X BZIHvRo3VTCDjXgbF5xxDAe5V4exf8d4oSNjQIFLYxxN7zkvH89EN6RPfRgsWN7bYArCwfS9 MOgs9pFeCOewR6qieK150aoqNENGfKFXJup+5VVl6I0mU+j0rgVDZDht2/QgP/Tb4lGBe+ai pOGaK/GYNR+Ad6bUmokKsx4= Organization: FreeBSD Message-ID: Date: Mon, 17 Sep 2018 15:27:56 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.27 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: Mon, 17 Sep 2018 12:27:59 -0000 I'm preparing some benchmarking setup, which includes gif tunnel from FreeBSD to FreeBSD, where one end is 12.0-ALPHA6/r338707 installed as guest in VirtualBox with virtual NIC (vtnet). This tunnel works for simple pings, but when I run iperf3 on this "link" ALPHA4 system crashes. It is 100% reproducible for me. panic: Assertion !in_epoch(net_epoch_preempt) && !mtx_owned(&(&(tcbinfo))->ipi_lock) failed at /data/src/sys/netinet/tcp_input.c:803 cpuid = 0 time = 1537187018 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe000044a310 vpanic() at vpanic+0x1a3/frame 0xfffffe000044a370 panic() at panic+0x43/frame 0xfffffe000044a3d0 tcp_input() at tcp_input+0x16a9/frame 0xfffffe000044a520 ip_input() at ip_input+0x126/frame 0xfffffe000044a5a0 netisr_dispatch_src() at netisr_dispatch_src+0x83/frame 0xfffffe000044a600 gif_input() at gif_input+0x2db/frame 0xfffffe000044a640 in_gif_input() at in_gif_input+0x73/frame 0xfffffe000044a680 encap_input() at encap_input+0x1cf/frame 0xfffffe000044a6f0 encap4_input() at encap4_input+0x28/frame 0xfffffe000044a720 ip_input() at ip_input+0x126/frame 0xfffffe000044a7a0 netisr_dispatch_src() at netisr_dispatch_src+0x83/frame 0xfffffe000044a800 ether_demux() at ether_demux+0x15e/frame 0xfffffe000044a830 ether_nh_input() at ether_nh_input+0x373/frame 0xfffffe000044a880 netisr_dispatch_src() at netisr_dispatch_src+0x83/frame 0xfffffe000044a8e0 ether_input() at ether_input+0x42/frame 0xfffffe000044a900 vtnet_rxq_eof() at vtnet_rxq_eof+0x736/frame 0xfffffe000044a9a0 vtnet_rx_vq_intr() at vtnet_rx_vq_intr+0x58/frame 0xfffffe000044a9d0 vtpci_legacy_intr() at vtpci_legacy_intr+0xb0/frame 0xfffffe000044aa10 ithread_loop() at ithread_loop+0x140/frame 0xfffffe000044aa70 fork_exit() at fork_exit+0x84/frame 0xfffffe000044aab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe000044aab0 -- // Lev Serebryakov