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SubjectRE: Network bug in 2.2.12 (20SMP/Redhat 6.1) , not 2.0.35
Date
> > The reason why I was looking for problems is because I was
> getting 28K/sec
> > ftp's between the new machines and the old file server

> 28K!! I had a
> > 300 Mb file to transfer :-)
>
> That suggests you are seeing a real problem. In paticular if you see
> burst/pause/burst/pause chekc that the cards are negotiating
> full/half duplex correctly and that the log doesn't contain IRQ timeouts.

I'm certainly seeing burst/pause/burst/pause behaviour. I wasn't sure which
log to check, but there aren't any timeouts seen by grep'ing through
/var/log/*
On the 2.0.36 machine (MACHINE 1) /sbin/ifconfig gives (eth1 to the adsl
modem. they're both PCI Ne2k)

On the receiving machine (MACHINE 2) the number of errors/frame increases
quite steadily.

cheers
Stuart


MACHINE 1

eth0 Link encap:Ethernet HWaddr 00:00:B4:B6:04:86
inet addr:192.168.2.1 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:684253 errors:0 dropped:0 overruns:0 frame:585
TX packets:505027 errors:1 dropped:0 overruns:0 carrier:1
collisions:3530
Interrupt:9 Base address:0x6500

eth1 Link encap:Ethernet HWaddr 00:00:B4:59:D1:BC
inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1
RX packets:31127 errors:0 dropped:0 overruns:0 frame:0
TX packets:23911 errors:0 dropped:0 overruns:0 carrier:0
collisions:16
Interrupt:12 Base address:0x6600

eth0: PCI NE2000 found at 0x6500, IRQ 9, 00:00:B4:B6:04:86.
eth1: PCI NE2000 found at 0x6600, IRQ 12, 00:00:B4:59:D1:BC.


MACHINE 2

eth0 Link encap:Ethernet HWaddr 00:50:DA:64:A2:E1
inet addr:192.168.2.15 Bcast:192.168.2.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:105926 errors:4373 dropped:0 overruns:1 frame:6266
TX packets:99661 errors:0 dropped:0 overruns:0 carrier:3
collisions:4072 txqueuelen:100
Interrupt:11 Base address:0x1000

messages:Dec 11 08:29:29 chopin kernel: eth0: 3Com 3c905C Tornado at 0x1000,
00:50:da:64:a2:e1, IRQ 11



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