From owner-freebsd-stable@FreeBSD.ORG Mon Sep 27 00:00:23 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F29841065670 for ; Mon, 27 Sep 2010 00:00:23 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id 7D3268FC12 for ; Mon, 27 Sep 2010 00:00:22 +0000 (UTC) Received: by wyb33 with SMTP id 33so5665881wyb.13 for ; Sun, 26 Sep 2010 17:00:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=6y8KE2gFvHZafQhj8znBGYq8Z4Yssuc1FZ2hrL0Q+ok=; b=JGdtx+eQ0Mmg/wFU09gnL9NZQTWVos9OBoEtHx0tyNytvxZupv95LLxFmkTUx79x31 f0gpdzpMcCzpKFuf3gecCkxGwX9+qL3KGwe6iIIl9DL2ZK6ctLPQ2VMdIolrmj8KYsLJ QKcUvkOxuFTlyZJyb6nFRSA5Qf2ensAPRKLGM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=sid8FPM9neSsvDo16xZnVLAqPZ1EkOX12EBlpFbbF/R7as0+lb/yUtuSNk0rvGE1rs GLu5rrrF6bwo6ZyXLHrPwibBbuPjRtGejlXfUkUsSe38wtmdA7GPjwAtLg0IPHdqbghO Jh1Sbz1TLF3f69Q6QAKkQ3HHBeS9TyrSsQNs4= MIME-Version: 1.0 Received: by 10.227.152.18 with SMTP id e18mr5719427wbw.1.1285545621740; Sun, 26 Sep 2010 17:00:21 -0700 (PDT) Received: by 10.216.48.20 with HTTP; Sun, 26 Sep 2010 17:00:21 -0700 (PDT) In-Reply-To: <201009262343.o8QNhgDG012676@lava.sentex.ca> References: <201006102031.o5AKVCH2016467@lava.sentex.ca> <201007021739.o62HdMOU092319@lava.sentex.ca> <20100702193654.GD10862@michelle.cdnetworks.com> <201008162107.o7GL76pA080191@lava.sentex.ca> <20100817185208.GA6482@michelle.cdnetworks.com> <201008171955.o7HJt67T087902@lava.sentex.ca> <20100817200020.GE6482@michelle.cdnetworks.com> <201009141759.o8EHxcZ0013539@lava.sentex.ca> <201009262157.o8QLvR0L012171@lava.sentex.ca> <201009262343.o8QNhgDG012676@lava.sentex.ca> Date: Sun, 26 Sep 2010 17:00:21 -0700 Message-ID: From: Jack Vogel To: Mike Tancsa Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: pyunyh@gmail.com, freebsd-stable@freebsd.org Subject: Re: RELENG_7 em problems (and RELENG_8) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Sep 2010 00:00:24 -0000 The system I've had stress tests running on has 82574 LOMs, so I hope it will solve the problem, will see tomorrow morning at how things have held up... Jack On Sun, Sep 26, 2010 at 4:43 PM, Mike Tancsa wrote: > At 06:19 PM 9/26/2010, Jack Vogel wrote: > >> Your em1 is using MSI not MSIX and thus can't have multiple queues. I'm >> not sure whats broken from what you show here. I will try to get the new >> driver out shortly for you to try. >> > > With this particular NIC, it will wedge under high load. I tried 2 > different motherboards and chipsets the same behaviour. > > ---Mike > > > Jack >> >> >> >> On Sun, Sep 26, 2010 at 2:57 PM, Mike Tancsa < >> mike@sentex.net> wrote: >> At 06:36 PM 9/24/2010, Jack Vogel wrote: >> There is a new revision of the em driver coming next week, its going thru >> some >> stress pounding over the weekend, if no issues show up I'll put it into >> HEAD. >> >> Yongari's changes in TX context handling which effects checksum and tso >> are added. I've also decided that multiple queues in 82574 just are a >> source >> of problems without a lot of benefit, so it still uses MSIX but with only >> 3 vectors, >> meaning it seperates TX and RX but has a single queue. >> >> >> Thanks, looking forward to trying it out! With respect to the multiple >> queues, I thought the driver already used just the one on RELENG_8 ? If >> not, is there a way to force the existing driver to use just the one queue ? >> >> On the box that has the NIC locking up, it shows >> >> em1@pci0:9:0:0: class=0x020000 card=0x34ec8086 chip=0x10d38086 rev=0x00 >> hdr=0x00 >> >> vendor = 'Intel Corporation' >> device = 'Intel 82574L Gigabit Ethernet Controller (82574L)' >> class = network >> subclass = ethernet >> cap 01[c8] = powerspec 2 supports D0 D3 current D0 >> cap 05[d0] = MSI supports 1 message, 64 bit enabled with 1 message >> cap 10[e0] = PCI-Express 1 endpoint max data 128(256) link x1(x1) >> >> and >> >> vmstat -i shows >> >> irq256: em0 5129063 353 >> irq257: em1 531251 36 >> >> in a wedged state, stats look like >> >> dev.em.1.%desc: Intel(R) PRO/1000 Network Connection 7.0.5 >> dev.em.1.%driver: em >> dev.em.1.%location: slot=0 function=0 handle=\_SB_.PCI0.PEX4.HART >> dev.em.1.%pnpinfo: vendor=0x8086 device=0x10d3 subvendor=0x8086 >> subdevice=0x34ec class=0x020000 >> dev.em.1.%parent: pci9 >> dev.em.1.nvm: -1 >> dev.em.1.rx_int_delay: 0 >> dev.em.1.tx_int_delay: 66 >> dev.em.1.rx_abs_int_delay: 66 >> dev.em.1.tx_abs_int_delay: 66 >> dev.em.1.rx_processing_limit: 100 >> dev.em.1.link_irq: 0 >> dev.em.1.mbuf_alloc_fail: 0 >> dev.em.1.cluster_alloc_fail: 0 >> dev.em.1.dropped: 0 >> dev.em.1.tx_dma_fail: 0 >> dev.em.1.fc_high_water: 18432 >> dev.em.1.fc_low_water: 16932 >> dev.em.1.mac_stats.excess_coll: 0 >> dev.em.1.mac_stats.symbol_errors: 0 >> dev.em.1.mac_stats.sequence_errors: 0 >> dev.em.1.mac_stats.defer_count: 0 >> dev.em.1.mac_stats.missed_packets: 41522 >> dev.em.1.mac_stats.recv_no_buff: 19 >> dev.em.1.mac_stats.recv_errs: 0 >> dev.em.1.mac_stats.crc_errs: 0 >> dev.em.1.mac_stats.alignment_errs: 0 >> dev.em.1.mac_stats.coll_ext_errs: 0 >> dev.em.1.mac_stats.rx_overruns: 41398 >> dev.em.1.mac_stats.watchdog_timeouts: 0 >> dev.em.1.mac_stats.xon_recvd: 0 >> dev.em.1.mac_stats.xon_txd: 0 >> dev.em.1.mac_stats.xoff_recvd: 0 >> dev.em.1.mac_stats.xoff_txd: 0 >> dev.em.1.mac_stats.total_pkts_recvd: 95229129 >> dev.em.1.mac_stats.good_pkts_recvd: 95187607 >> dev.em.1.mac_stats.bcast_pkts_recvd: 79244 >> dev.em.1.mac_stats.mcast_pkts_recvd: 0 >> dev.em.1.mac_stats.rx_frames_64: 93680 >> dev.em.1.mac_stats.rx_frames_65_127: 1516349 >> dev.em.1.mac_stats.rx_frames_128_255: 4464941 >> dev.em.1.mac_stats.rx_frames_256_511: 4024 >> dev.em.1.mac_stats.rx_frames_512_1023: 2096067 >> dev.em.1.mac_stats.rx_frames_1024_1522: 87012546 >> dev.em.1.mac_stats.good_octets_recvd: 0 >> dev.em.1.mac_stats.good_octest_txd: 0 >> dev.em.1.mac_stats.total_pkts_txd: 66775098 >> dev.em.1.mac_stats.good_pkts_txd: 66775098 >> dev.em.1.mac_stats.bcast_pkts_txd: 509 >> dev.em.1.mac_stats.mcast_pkts_txd: 7 >> dev.em.1.mac_stats.tx_frames_64: 48038472 >> dev.em.1.mac_stats.tx_frames_65_127: 13402833 >> dev.em.1.mac_stats.tx_frames_128_255: 5324413 >> dev.em.1.mac_stats.tx_frames_256_511: 957 >> dev.em.1.mac_stats.tx_frames_512_1023: 319 >> dev.em.1.mac_stats.tx_frames_1024_1522: 8104 >> dev.em.1.mac_stats.tso_txd: 1069 >> dev.em.1.mac_stats.tso_ctx_fail: 0 >> dev.em.1.interrupts.asserts: 0 >> dev.em.1.interrupts.rx_pkt_timer: 0 >> dev.em.1.interrupts.rx_abs_timer: 0 >> dev.em.1.interrupts.tx_pkt_timer: 0 >> dev.em.1.interrupts.tx_abs_timer: 0 >> dev.em.1.interrupts.tx_queue_empty: 0 >> dev.em.1.interrupts.tx_queue_min_thresh: 0 >> dev.em.1.interrupts.rx_desc_min_thresh: 0 >> dev.em.1.interrupts.rx_overrun: 0 >> dev.em.1.host.breaker_tx_pkt: 0 >> dev.em.1.host.host_tx_pkt_discard: 0 >> dev.em.1.host.rx_pkt: 0 >> dev.em.1.host.breaker_rx_pkts: 0 >> dev.em.1.host.breaker_rx_pkt_drop: 0 >> dev.em.1.host.tx_good_pkt: 0 >> dev.em.1.host.breaker_tx_pkt_drop: 0 >> dev.em.1.host.rx_good_bytes: 0 >> dev.em.1.host.tx_good_bytes: 0 >> dev.em.1.host.length_errors: 0 >> dev.em.1.host.serdes_violation_pkt: 0 >> dev.em.1.host.header_redir_missed: 0 >> >> ifconfig down/up just panics or locks up the box when its in this state. >> I also have IPMI enabled on this nic, but it shows the same issue with it >> disabled. >> >> ---Mike >> >> >> >> -------------------------------------------------------------------- >> Mike Tancsa, tel +1 519 651 3400 >> Sentex Communications, mike@sentex.net >> Providing Internet since 1994 >> www.sentex.net >> Cambridge, Ontario Canada < >> http://www.sentex.net/mike>www.sentex.net/mike >> >> > -------------------------------------------------------------------- > Mike Tancsa, tel +1 519 651 3400 > Sentex Communications, mike@sentex.net > Providing Internet since 1994 www.sentex.net > Cambridge, Ontario Canada www.sentex.net/mike > >