Date: Sun, 07 Nov 2010 12:22:10 -0500 From: Mike Tancsa <mike@sentex.net> To: freebsd-stable@freebsd.org Cc: pyunyh@gmail.com, Jack Vogel <jfvogel@gmail.com> Subject: Re: RELENG_7 em problems (and RELENG_8) Message-ID: <201011071722.oA7HMHUQ037325@lava.sentex.ca> 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> <AANLkTimiTmA1HHeWmGm1MAFf-H=OqC17vwZvFWpgcHCZ@mail.gmail.com> <201009262157.o8QLvR0L012171@lava.sentex.ca> <AANLkTinxLScVxQ2ib%2BcLXEBGTATAU36%2BOKr7%2B5SQXE89@mail.gmail.com> <201009262343.o8QNhgDG012676@lava.sentex.ca>
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Just for the archives, the version of <http://lists.freebsd.org/pipermail/svn-src-head/2010-November/022058.html>http://lists.freebsd.org/pipermail/svn-src-head/2010-November/022058.html fixes this particular problem on this particular version of the em nic for me on RELENG_8. The motherboard is an intel server board (S3420GPX) em1@pci0:10:0:0: 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 cap 10[e0] = PCI-Express 1 endpoint max data 128(256) link x1(x1) cap 11[a0] = MSI-X supports 5 messages in map 0x1c enabled ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected ecap 0003[140] = Serial 1 001517ffffed68a4 em1: <Intel(R) PRO/1000 Network Connection 7.1.7> port 0x2000-0x201f mem 0xb4100000-0xb411ffff,0xb4120000-0xb4123fff irq 16 at device 0.0 on pci10 em1: Using MSIX interrupts with 3 vectors vmstat -i interrupt total rate irq256: em0 1025859018 993 irq257: em1:rx 0 512606295 496 irq258: em1:tx 0 405695908 393 irq259: em1:link 39853 0 Total 10422193166 10096 ---Mike At 06:43 PM 9/26/2010, 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 >><<mailto:mike@sentex.net>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, <mailto:mike@sentex.net>mike@sentex.net >>Providing Internet since >>1994 <http://www.sentex.net>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 > >_______________________________________________ >freebsd-stable@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-stable >To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -------------------------------------------------------------------- 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
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