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Date: Mon, 16 Jun 2008 13:36:44 -0700 From: "Kok, Auke" <auke-jan.h.kok@...el.com> To: Denys Fedoryshchenko <denys@...p.net.lb> CC: Eric Dumazet <dada1@...mosbay.com>, netdev@...r.kernel.org, linux.nics@...el.com Subject: Re: packetloss, on e1000e worse than r8169? Denys Fedoryshchenko wrote: > Also if important > MegaRouter-KARAM ~ # dmesg|grep eth1 > [ 3.955620] eth1: (PCI Express:2.5GB/s:Width x1) 00:19:d1:71:5f:33 > [ 3.955622] eth1: Intel(R) PRO/1000 Network Connection > [ 3.955642] eth1: MAC: 4, PHY: 6, PBA No: ffffff-0ff > [ 5.358191] netconsole: interface eth1 please disable netconsole on this device. You should not run netconsole over a critical (and busy) line like this. > [ 6.432345] eth1: Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX > > MegaRouter-KARAM ~ # ethtool eth1 > Settings for eth1: > Supported ports: [ TP ] > Supported link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Supports auto-negotiation: Yes > Advertised link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Advertised auto-negotiation: Yes > Speed: 1000Mb/s > Duplex: Full > Port: Twisted Pair > PHYAD: 1 > Transceiver: internal > Auto-negotiation: on > Supports Wake-on: pumbag > Wake-on: g > Current message level: 0x00000001 (1) > Link detected: yes > > > MegaRouter-KARAM ~ # ethtool -c eth1 > Coalesce parameters for eth1: > Adaptive RX: off TX: off > stats-block-usecs: 0 > sample-interval: 0 > pkt-rate-low: 0 > pkt-rate-high: 0 > > rx-usecs: 3 > > I tried to change Intel's "magic" rx-usecs to 0,1,3,10000,100000, it doesn't > help at all. Attempt to change offloading parameters (disabling) doesn't make > sense too. > > > On Mon, 16 Jun 2008 21:48:55 +0200, Eric Dumazet wrote >> Denys Fedoryshchenko a e'crit : >>> Hi again >>> >>> I moved from PCI Realtek 8169 to onboard PCI-Express e1000e, and situation >>> become worse. Strange? Yes. >>> >>> Here is info >>> Load and error rate: >>> >>> MegaRouter-KARAM /sys # ifconfig eth1;sleep 10;ifconfig eth1 >>> eth1 Link encap:Ethernet HWaddr 00:19:D1:71:5F:33 >>> inet addr:192.168.20.10 Bcast:0.0.0.0 Mask:255.255.255.0 >>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>> RX packets:91991642 errors:0 dropped:1803444 overruns:0 frame:0 >>> TX packets:91914611 errors:0 dropped:0 overruns:0 carrier:0 >>> collisions:0 txqueuelen:1000 >>> RX bytes:316112765 (301.4 MiB) TX bytes:138303107 (131.8 MiB) >>> Memory:90300000-90320000 >>> >>> eth1 Link encap:Ethernet HWaddr 00:19:D1:71:5F:33 >>> inet addr:192.168.20.10 Bcast:0.0.0.0 Mask:255.255.255.0 >>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>> RX packets:92812514 errors:0 dropped:1815490 overruns:0 frame:0 >>> TX packets:92734865 errors:0 dropped:0 overruns:0 carrier:0 >>> collisions:0 txqueuelen:1000 >>> RX bytes:739941322 (705.6 MiB) TX bytes:560547138 (534.5 MiB) >>> Memory:90300000-90320000 >>> >>> System load (there is no NAT, no shapers, just routing, around 600-700 > routes): >>> MegaRouter-KARAM /sys # mpstat 1 >>> Linux 2.6.26-rc6-git2-build-0029 (MegaRouter-KARAM) 06/16/08 >>> >>> 22:36:36 CPU %user %nice %sys %iowait %irq %soft %steal >>> %idle intr/s >>> 22:36:37 all 0.00 0.00 0.00 0.00 0.00 1.49 0.00 >>> 98.51 19764.00 >>> 22:36:38 all 0.00 0.00 0.50 0.00 0.00 0.50 0.00 >>> 99.01 19888.00 >>> 22:36:39 all 0.00 0.00 0.00 0.00 0.00 0.50 0.00 >>> 99.50 19642.00 >>> 22:36:40 all 0.00 0.00 0.00 0.00 1.01 9.05 0.00 >>> 89.95 19543.00 >>> >>> (system almost idle) >>> >>> MegaRouter-KARAM /sys # ethtool -S eth1 >>> NIC statistics: >>> rx_packets: 109977509 >>> tx_packets: 109887692 >>> rx_bytes: 57656749138 >>> tx_bytes: 57536071746 >>> rx_broadcast: 6497 >>> tx_broadcast: 92 >>> rx_multicast: 48995 >>> tx_multicast: 1960 >>> rx_errors: 0 >>> tx_errors: 0 >>> tx_dropped: 0 >>> multicast: 48995 >>> collisions: 0 >>> rx_length_errors: 0 >>> rx_over_errors: 0 >>> rx_crc_errors: 0 >>> rx_frame_errors: 0 >>> rx_no_buffer_count: 1796 >>> rx_missed_errors: 2182679 >>> tx_aborted_errors: 0 >>> tx_carrier_errors: 0 >>> tx_fifo_errors: 0 >>> tx_heartbeat_errors: 0 >>> tx_window_errors: 0 >>> tx_abort_late_coll: 0 >>> tx_deferred_ok: 55617 >>> tx_single_coll_ok: 0 >>> tx_multi_coll_ok: 0 >>> tx_timeout_count: 0 >>> tx_restart_queue: 1626 >>> rx_long_length_errors: 0 >>> rx_short_length_errors: 0 >>> rx_align_errors: 0 >>> tx_tcp_seg_good: 0 >>> tx_tcp_seg_failed: 0 >>> rx_flow_control_xon: 55461 >>> rx_flow_control_xoff: 57329 >>> tx_flow_control_xon: 39114 >>> tx_flow_control_xoff: 48341 >>> rx_long_byte_count: 57656749138 >>> rx_csum_offload_good: 104097306 >>> rx_csum_offload_errors: 2209 >>> rx_header_split: 0 >>> alloc_rx_buff_failed: 0 >>> tx_smbus: 22 >>> rx_smbus: 2201 >>> dropped_smbus: 0 >>> rx_dma_failed: 0 >>> tx_dma_failed: 0 >>> MegaRouter-KARAM /sys # ethtool -S eth1 >>> NIC statistics: >>> rx_packets: 110154571 >>> tx_packets: 110064459 >>> rx_bytes: 57753358981 >>> tx_bytes: 57632419451 >>> rx_broadcast: 6501 >>> tx_broadcast: 92 >>> rx_multicast: 49155 >>> tx_multicast: 1960 >>> rx_errors: 0 >>> tx_errors: 0 >>> tx_dropped: 0 >>> multicast: 49155 >>> collisions: 0 >>> rx_length_errors: 0 >>> rx_over_errors: 0 >>> rx_crc_errors: 0 >>> rx_frame_errors: 0 >>> rx_no_buffer_count: 1796 >>> rx_missed_errors: 2187703 >>> tx_aborted_errors: 0 >>> tx_carrier_errors: 0 >>> tx_fifo_errors: 0 >>> tx_heartbeat_errors: 0 >>> tx_window_errors: 0 >>> tx_abort_late_coll: 0 >>> tx_deferred_ok: 55772 >>> tx_single_coll_ok: 0 >>> tx_multi_coll_ok: 0 >>> tx_timeout_count: 0 >>> tx_restart_queue: 1628 >>> rx_long_length_errors: 0 >>> rx_short_length_errors: 0 >>> rx_align_errors: 0 >>> tx_tcp_seg_good: 0 >>> tx_tcp_seg_failed: 0 >>> rx_flow_control_xon: 55615 >>> rx_flow_control_xoff: 57488 >>> tx_flow_control_xon: 39209 >>> tx_flow_control_xoff: 48448 >>> rx_long_byte_count: 57753358981 >>> rx_csum_offload_good: 104264656 >>> rx_csum_offload_errors: 2210 >>> rx_header_split: 0 >>> alloc_rx_buff_failed: 0 >>> tx_smbus: 23 >>> rx_smbus: 2207 >>> dropped_smbus: 0 >>> rx_dma_failed: 0 >>> tx_dma_failed: 0 >>> >>> >>> >> What RX & TX rings look like on e1000e ? >> >> ethtool -g eth1 >> >> Also, please post "cat /proc/interrupts" >> >> -- >> To unsubscribe from this list: send the line "unsubscribe netdev" in >> the body of a message to majordomo@...r.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -- > Denys Fedoryshchenko > Technical Manager > Virtual ISP S.A.L. > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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