Date: Wed, 27 May 2015 15:17:27 -0700 From: Jack Vogel <jfvogel@gmail.com> To: David DeSimone <ddesimone@verio.net> Cc: "net@freebsd.org" <net@freebsd.org> Subject: Re: Netmap problem with e1000e driver Message-ID: <CAFOYbckiPV52jxLEJ4RSXjr8acShoc=-DmVGjCeosdAQMYKGzQ@mail.gmail.com> In-Reply-To: <SN2PR0801MB6878E2FF23A60C352D89AEFBACB0@SN2PR0801MB687.namprd08.prod.outlook.com> References: <CACkYmBDEiN%2BUz5ztkAEuTHEY2cAqp2mvR1FdFdD7ht%2BVPL-Zxw@mail.gmail.com> <CAFOYbcmCYMc4XAaMGXQHYnnUoeZbdPowFhBxv_aLRreN1WO1ZA@mail.gmail.com> <SN2PR0801MB6878E2FF23A60C352D89AEFBACB0@SN2PR0801MB687.namprd08.prod.outlook.com>
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Ah, didn't realize that, apologies, and I'll leave it to Luigi then :) Jack On Wed, May 27, 2015 at 2:47 PM, David DeSimone <ddesimone@verio.net> wrote: > Actually, Luigi has specifically requested that all users of netmap (Linux > or BSD) use this list to field all of their questions. > > > -----Original Message----- > From: owner-freebsd-net@freebsd.org [mailto:owner-freebsd-net@freebsd.org] > On Behalf Of Jack Vogel > Sent: Wednesday, May 27, 2015 11:22 AM > To: Oleg Prozorov > Cc: net@freebsd.org > Subject: Re: Netmap problem with e1000e driver > > 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 <oleg.prozorov@gmail.com> > 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] <IRQ> [<ffffffff8150ac96>] ? dump_stack+0x41/0x51 > > [ 2457.286324] [<ffffffff810bd10d>] ? __report_bad_irq+0x2d/0xc0 > > [ 2457.286328] [<ffffffff810bd631>] ? note_interrupt+0x241/0x290 > > [ 2457.286332] [<ffffffff810bae51>] ? handle_irq_event_percpu+0xa1/0x190 > > [ 2457.286336] [<ffffffff810baf78>] ? handle_irq_event+0x38/0x60 > > [ 2457.286341] [<ffffffff810bda05>] ? handle_edge_irq+0x85/0x150 > > [ 2457.286347] [<ffffffff810150ed>] ? handle_irq+0x1d/0x30 > > [ 2457.286350] [<ffffffff81513bf9>] ? do_IRQ+0x49/0xe0 > > [ 2457.286355] [<ffffffff81511aad>] ? common_interrupt+0x6d/0x6d > > [ 2457.286356] <EOI> [<ffffffff8108ac6d>] ? > > __hrtimer_start_range_ns+0x1cd/0x390 > > [ 2457.286364] [<ffffffff813ddb52>] ? cpuidle_enter_state+0x52/0xc0 > > [ 2457.286368] [<ffffffff813ddb48>] ? cpuidle_enter_state+0x48/0xc0 > > [ 2457.286372] [<ffffffff810a7e68>] ? cpu_startup_entry+0x2f8/0x400 > > [ 2457.286375] [<ffffffff81042c4f>] ? start_secondary+0x20f/0x2d0 > > [ 2457.286377] handlers: > > [ 2457.286384] [<ffffffffa0732da0>] 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. > > This email message is intended for the use of the person to whom it has > been sent, and may contain information that is confidential or legally > protected. 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