Hi all
on our old venerable compute nodes, we have 2 e1000e driven network
connections (82573E/82573L combo - Supermicro PDSML-LN2+)
Currently we are upgrading from Debian Lenny to Debian Squeeze and during this
process also upgrade from 2.6.32.y vanilla to 3.2.x vanilla (but see the same
with Debian's default kernel 2.6.32-z). The e1000e version thus changes from
1.0.2-k2 to 1.2.20-k2 or 1.5.1-k2.
The standard testcase is running
goodhost:
dd if=/dev/zero | nc badhost 55555
badhost:
nc -l -p 55555 > /dev/null
with 1.0.2-k2 and default options (except crcstripping=0) we get close to 120
MB/s and no dropped packets.
rebooting the system to a kernel with a newer driver yields only 150-250kB/s
throughput and a packet drop-rate close to 20%..
I'm attaching quite a number of files to this post, but would like to learn
how to find out, what's wrong and how to fix it.
This error seemed to be popping up here and there on this list and elsewhere,
but so far I've yet to find a definite answer ...
Cheers && TIA
Carsten
--
Dr. Carsten Aulbert - Max Planck Institute for Gravitational Physics
Callinstrasse 38, 30167 Hannover, Germany
Phone/Fax: +49 511 762-17185 / -17193
http://www.top500.org/system/9234 | http://www.top500.org/connfam/6
CaCert Assurer | Get free certificates from http://www.cacert.org/
Pause parameters for eth1:
Autonegotiate: on
RX: off
TX: off
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
rx-frames: 0
rx-usecs-irq: 0
rx-frames-irq: 0
tx-usecs: 0
tx-frames: 0
tx-usecs-irq: 0
tx-frames-irq: 0
rx-usecs-low: 0
rx-frame-low: 0
tx-usecs-low: 0
tx-frame-low: 0
rx-usecs-high: 0
rx-frame-high: 0
tx-usecs-high: 0
tx-frame-high: 0
Ring parameters for eth1:
Pre-set maximums:
RX: 4096
RX Mini: 0
RX Jumbo: 0
TX: 4096
Current hardware settings:
RX: 256
RX Mini: 0
RX Jumbo: 0
TX: 256
driver: e1000e
version: 1.5.1-k
firmware-version: 0.5-7
bus-info: 0000:0e:00.0
Offload parameters for eth1:
rx-checksumming: on
tx-checksumming: on
scatter-gather: on
tcp-segmentation-offload: on
udp-fragmentation-offload: off
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off
ntuple-filters: off
receive-hashing: off
NIC statistics:
rx_packets: 56544
tx_packets: 33023
rx_bytes: 268744245
tx_bytes: 3116133
rx_broadcast: 24362
tx_broadcast: 57
rx_multicast: 0
tx_multicast: 5
rx_errors: 0
tx_errors: 0
tx_dropped: 0
multicast: 0
collisions: 0
rx_length_errors: 0
rx_over_errors: 0
rx_crc_errors: 0
rx_frame_errors: 0
rx_no_buffer_count: 0
rx_missed_errors: 11784
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: 0
tx_single_coll_ok: 0
tx_multi_coll_ok: 0
tx_timeout_count: 0
tx_restart_queue: 0
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: 0
rx_flow_control_xoff: 0
tx_flow_control_xon: 0
tx_flow_control_xoff: 0
rx_long_byte_count: 268744245
rx_csum_offload_good: 32033
rx_csum_offload_errors: 0
rx_header_split: 30473
alloc_rx_buff_failed: 0
tx_smbus: 0
rx_smbus: 0
dropped_smbus: 0
rx_dma_failed: 0
tx_dma_failed: 0
-[0000:00]-+-00.0 8086:2778
+-01.0-[01]--
+-1c.0-[09]--
+-1c.4-[0d]----00.0 8086:108c
+-1c.5-[0e]----00.0 8086:109a
+-1d.0 8086:27c8
+-1d.1 8086:27c9
+-1d.2 8086:27ca
+-1d.3 8086:27cb
+-1d.7 8086:27cc
+-1e.0-[0f]----00.0 18ca:0020
+-1f.0 8086:27b8
+-1f.2 8086:27c0
\-1f.3 8086:27da
------------------------------------------------------------------------------
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