From owner-freebsd-net@freebsd.org Mon Jul 20 12:27:23 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9890B9A6E82 for ; Mon, 20 Jul 2015 12:27:23 +0000 (UTC) (envelope-from nvass@gmx.com) Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mout.gmx.net", Issuer "TeleSec ServerPass DE-1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 256081F37; Mon, 20 Jul 2015 12:27:23 +0000 (UTC) (envelope-from nvass@gmx.com) Received: from moby.local ([79.107.36.229]) by mail.gmx.com (mrgmx002) with ESMTPSA (Nemesis) id 0MNYxW-1ZJvJz0X2Q-007Dks; Mon, 20 Jul 2015 14:27:21 +0200 Message-ID: <55ACE900.1060603@gmx.com> Date: Mon, 20 Jul 2015 15:26:40 +0300 From: Nikos Vassiliadis User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: hrs@FreeBSD.org, freebsd-net@FreeBSD.org, jason.unovitch@gmail.com Subject: Re: [Bug 200319] Bridge+CARP crashes/freezes References: In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:u+Xyqpx74wyfETmnT9z7hG15JQ6Q8+T0bRmjy9+dUVqsUmRr9mQ rlDLP9PO22WnXffmUD8+6HBJCoeUkNiugACE0J0Cy+7gzohedCLiKklluoWrvd5ILhF8PNO WTx/GI+Ntf4ZnJbjTSnyg82J4tuxd+ThkYDzxu0tYpMjTb+GWyLaz5TYbTmuJtzyT0bjgfH xPnwxBCqvHzuI23vx9Wmw== X-UI-Out-Filterresults: notjunk:1;V01:K0:DczUkMg3lzM=:PmYrDhWWUfQaeDrcnrPwGD VGqk3GECEJHO8W6ck4l2OWWuxl814a7xJ5FSkxDBk7lRgP63auSY7fz1F0mtbuTlN2yHWrQrF Dxc89s5cZ+pKVXLvz9ixOT3MmHKSRehqb222+HXH1rjWe4TmPZeS1sDhl+aPZDRdrj/vmPstn Fw3b64mD1+hmFELJ1jRmelOI1d4pbsPKDg8sS4H+h3mfim9JK8CswTo42aCUkhLZ8aPgFBFWS Ko4nS3NYIYdoRSZeZ5eSS+3SHbDQcEk0L9u91f/YsvVi6QeaagzRJuEoHqU6e5UcZtS8o4iPl aFIrbDBikjK+cDK4/TTlASrQZXsLZ/enJ9psx8ahODJuNGgpV3YnbFQcR+gEYiRr9YqZRt2f9 v4ARVkGm0oaKPsU/L/VEgp0NEGj/JKvkFZmXKDunPbGYnUVDQMTOzV4EM7Iej3IPT309UOwmb hPQYsPTb6ajtBlzmYLaph9LBwlgDIYtXgnFQVlVkhV31t4kbz/A93x3n63s+06k0C63PMqBVc nBczb5Zo2PDlUow9mGG7RTgOZBLvy2pSvu/F0eEBjHQlnL7vM5CkeYCZmeMh32BcOKngtJMA1 pl1xHmEt8ulBFZLzEbVV+cXE/u6J/HIC1620w2SAWu/zHlRYFajBOSaGSavgz8x6Ui+d+nLIK AkRdcaxi63ODJul4jc/ymMAwzDYVruNQjpbybHLejMZDnCHEFNP4D+ISf08IrmS/67uI= X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Jul 2015 12:27:23 -0000 Hi, regarding this bug... When carp information is about to be printed, it stops. All network activity has stopped by then. For example: > bridge0: flags=8943 metric 0 mtu 1280 > ether 02:48:9e:59:98:00 > inet 156.0.0.2 netmask 0xffffffc0 broadcast 156.0.0.63 > inet 156.0.0.10 netmask 0xffffffc0 broadcast 156.0.0.63 vhid 10 > nd6 options=9 > load: 1.18 cmd: ifconfig 1683 [running] 4.14r 0.00u 0.01s 35% 2268k > load: 1.18 cmd: ifconfig 1683 [running] 4.59r 0.00u 0.01s 36% 2268k > load: 1.18 cmd: ifconfig 1683 [running] 4.85r 0.00u 0.01s 39% 2268k > load: 1.18 cmd: ifconfig 1683 [running] 5.05r 0.00u 0.01s 41% 2268k > load: 1.18 cmd: ifconfig 1683 [running] 5.27r 0.00u 0.01s 39% 2268k > load: 1.18 cmd: ifconfig 1683 [running] 5.48r 0.00u 0.01s 41% 2268k > load: 1.18 cmd: ifconfig 1683 [running] 5.69r 0.00u 0.01s 43% 2268k > ^C^C^C^Z > > > > > > load: 1.86 cmd: ifconfig 1683 [*carp_if] 31.26r 0.00u 30.67s 88% 2268k > load: 1.86 cmd: ifconfig 1683 [*carp_if] 31.42r 0.00u 30.67s 88% 2268k > ^Z^Z^Z^C^C^C^C > > load: 0.22 cmd: ifconfig 1683 [*carp_if] 645.27r 0.00u 30.67s 0% 2268k > load: 0.21 cmd: ifconfig 1683 [*carp_if] 645.81r 0.00u 30.67s 0% 2268k > load: 0.21 cmd: ifconfig 1683 [*carp_if] 646.17r 0.00u 30.67s 0% 2268k Eventually the kernel will panic: > panic: deadlkres: possible deadlock detected for 0xfffff800045b44a0, blocked for 900246 ticks Is this the same bug, Jason? I could try the patch on my bhyve cluster. Thanks, Nikos