From owner-freebsd-net@FreeBSD.ORG Wed May 27 16:21:57 2015 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3CA53F97 for ; Wed, 27 May 2015 16:21:57 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-wi0-x22a.google.com (mail-wi0-x22a.google.com [IPv6:2a00:1450:400c:c05::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BDAEE6B6 for ; Wed, 27 May 2015 16:21:56 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: by wicmx19 with SMTP id mx19so117408398wic.0 for ; Wed, 27 May 2015 09:21:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=6xvUKmsRncSWauIwvEN2uvRdfz+68AzBjlyh4abJw+Q=; b=1BVpKGv5+7bmG1LAYVgSK3EhPuKGpF7/PhTrwcY4XoUznM5Sv/cQKPBJGiBjFkULbW CcPxVQTYvLKB710Zyjj6XLHiZZZt/ho+MNv06+TUVq+KCo0hdu3QCCgYj8PDmf6GJOXp oFe9LRJfPnTx69cfVwPGu4Md4axl6dJcRylJobBo1atyfQlLqWm8NsNdD963FQn0XPIK QLYke/jGdia1eV+HZbWBJVjOVWB950aDeXSw9KI5542JyXmInKoprgli6St5EqEK0owS b0kRH208x8QmXpqlZkgHSW2COyWQxueqiBpLYw6GEKFTkgjNeT/PRQa1vVYqsj93dsjq 4EBg== MIME-Version: 1.0 X-Received: by 10.180.91.137 with SMTP id ce9mr7405815wib.76.1432743715102; Wed, 27 May 2015 09:21:55 -0700 (PDT) Received: by 10.194.162.8 with HTTP; Wed, 27 May 2015 09:21:55 -0700 (PDT) In-Reply-To: References: Date: Wed, 27 May 2015 09:21:55 -0700 Message-ID: Subject: Re: Netmap problem with e1000e driver From: Jack Vogel To: Oleg Prozorov Cc: "net@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 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: Wed, 27 May 2015 16:21:57 -0000 Maybe asking a Linux mailing list about a Linux driver would be more productive :) Jack On Wed, May 27, 2015 at 8:26 AM, Oleg Prozorov wrote: > Hello All, > I am using Netmap technology in my program and have the problem : > when I put eth link down and then have it up netmap goes down with kernel > messages: > > log from dmesg: > > [ 2457.286289] irq 44: nobody cared (try booting with the "irqpoll" option) > [ 2457.286296] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G O > 3.16.0-4-amd64 #1 Debian 3.16.7-ckt9-3~deb8u1 > [ 2457.286298] Hardware name: System manufacturer System Product > Name/P8H61-MX R2.0, BIOS 0803 10/26/2012 > [ 2457.286300] ffff880198b544c4 ffffffff8150ac96 ffff880198b54400 > ffffffff810bd10d > [ 2457.286304] ffff880198b54400 000000000000002c 0000000000000000 > ffffffff810bd631 > [ 2457.286307] 0000000000000000 0000000000000000 000000000000002c > 0000000000000000 > [ 2457.286310] Call Trace: > [ 2457.286312] [] ? dump_stack+0x41/0x51 > [ 2457.286324] [] ? __report_bad_irq+0x2d/0xc0 > [ 2457.286328] [] ? note_interrupt+0x241/0x290 > [ 2457.286332] [] ? handle_irq_event_percpu+0xa1/0x190 > [ 2457.286336] [] ? handle_irq_event+0x38/0x60 > [ 2457.286341] [] ? handle_edge_irq+0x85/0x150 > [ 2457.286347] [] ? handle_irq+0x1d/0x30 > [ 2457.286350] [] ? do_IRQ+0x49/0xe0 > [ 2457.286355] [] ? common_interrupt+0x6d/0x6d > [ 2457.286356] [] ? > __hrtimer_start_range_ns+0x1cd/0x390 > [ 2457.286364] [] ? cpuidle_enter_state+0x52/0xc0 > [ 2457.286368] [] ? cpuidle_enter_state+0x48/0xc0 > [ 2457.286372] [] ? cpu_startup_entry+0x2f8/0x400 > [ 2457.286375] [] ? start_secondary+0x20f/0x2d0 > [ 2457.286377] handlers: > [ 2457.286384] [] e1000_msix_other [e1000e] > [ 2457.286386] Disabling IRQ #44 > > before i have the next steps: > > insmod ./netmap.ko > insmod ./e1000e/e1000e.ko > > log from dmesg: > > [ 1645.548786] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k > [ 1645.548791] e1000e: Copyright(c) 1999 - 2014 Intel Corporation. > [ 1645.549056] e1000e 0000:02:00.0: Interrupt Throttling Rate (ints/sec) > set to dynamic conservative mode > [ 1645.549089] e1000e 0000:02:00.0: irq 42 for MSI/MSI-X > [ 1645.549094] e1000e 0000:02:00.0: irq 43 for MSI/MSI-X > [ 1645.549098] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X > [ 1645.704831] 635.291734 [2720] netmap_attach success for eth0 > tx 1/256 rx 1/256 queues/slots > [ 1645.705079] e1000e 0000:02:00.0 eth0: registered PHC clock > [ 1645.705083] e1000e 0000:02:00.0 eth0: (PCI Express:2.5GT/s:Width x1) > 68:05:ca:28:36:f5 > [ 1645.705086] e1000e 0000:02:00.0 eth0: Intel(R) PRO/1000 Network > Connection > [ 1645.705100] e1000e 0000:02:00.0 eth0: MAC: 3, PHY: 8, PBA No: E46981-008 > [ 1645.705349] e1000e 0000:03:00.0: Interrupt Throttling Rate (ints/sec) > set to dynamic conservative mode > [ 1645.705381] e1000e 0000:03:00.0: irq 45 for MSI/MSI-X > [ 1645.705386] e1000e 0000:03:00.0: irq 46 for MSI/MSI-X > [ 1645.705390] e1000e 0000:03:00.0: irq 47 for MSI/MSI-X > [ 1645.739490] systemd-udevd[2715]: renamed network interface eth0 to eth5 > [ 1645.824716] IPv6: ADDRCONF(NETDEV_UP): eth5: link is not ready > [ 1645.848756] 635.435799 [2720] netmap_attach success for eth0 > tx 1/256 rx 1/256 queues/slots > [ 1645.848851] e1000e 0000:03:00.0 eth0: registered PHC clock > [ 1645.848856] e1000e 0000:03:00.0 eth0: (PCI Express:2.5GT/s:Width x1) > 68:05:ca:22:19:e7 > [ 1645.848859] e1000e 0000:03:00.0 eth0: Intel(R) PRO/1000 Network > Connection > [ 1645.848875] e1000e 0000:03:00.0 eth0: MAC: 3, PHY: 8, PBA No: E46981-008 > [ 1645.869528] systemd-udevd[2715]: renamed network interface eth0 to eth6 > [ 1645.949935] IPv6: ADDRCONF(NETDEV_UP): eth6: link is not ready > [ 1648.795532] e1000e: eth5 NIC Link is Up 1000 Mbps Full Duplex, Flow > Control: Rx/Tx > [ 1648.795856] IPv6: ADDRCONF(NETDEV_CHANGE): eth5: link becomes ready > [ 1648.843497] e1000e: eth6 NIC Link is Up 1000 Mbps Full Duplex, Flow > Control: Rx/Tx > [ 1648.843820] IPv6: ADDRCONF(NETDEV_CHANGE): eth6: link becomes ready > [ 1668.060841] e1000e: eth5 NIC Link is Up 1000 Mbps Full Duplex, Flow > Control: Rx/Tx > [ 1668.212692] e1000e: eth6 NIC Link is Up 1000 Mbps Full Duplex, Flow > Control: Rx/Tx > > > My program used netmap desc: > root@debian:/home/debian/Projects/bin# lsmod | grep netmap > netmap 99228 5 e1000e > > > Then even if it shows that link is up net map stops to work and only > rmmod/insmod and restart of the netmap can bring it back to work. > > Could you please help me with it ? > > Thx a lot, > Oleg. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >