From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Denys Fedoryshchenko" Subject: Re: packetloss, on e1000e worse than r8169? Date: Mon, 16 Jun 2008 23:23:25 +0300 Message-ID: <20080616202210.M84100@visp.net.lb> References: <20080616193501.M64730@visp.net.lb> <4856C3A7.9070703@cosmosbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Cc: netdev@vger.kernel.org, linux.nics@intel.com To: Eric Dumazet Return-path: Received: from usermail.globalproof.net ([194.146.153.18]:50110 "EHLO usermail.globalproof.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753685AbYFPUXo (ORCPT ); Mon, 16 Jun 2008 16:23:44 -0400 In-Reply-To: <4856C3A7.9070703@cosmosbay.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 [ 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@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Denys Fedoryshchenko Technical Manager Virtual ISP S.A.L.