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Date: Mon, 16 Jun 2008 22:37:36 +0300
From: "Denys Fedoryshchenko" <denys@...p.net.lb>
To: netdev@...r.kernel.org
Cc: linux.nics@...el.com
Subject: packetloss, on e1000e worse than r8169?
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
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
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