Problems with 3c905B-FX Cyclone 100baseFx

[Michael Bruck]

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I have a linux router with the card mentioned in the subject and a second
card 3c905B Cyclone 100baseTx. The 100baseTx card works, but the Fx-card
doesn't. Removing the Tx-card has no influence on the problem.

When I ping the device on the other end of the link it's LED shows some
network activity in both directions but ping says it's got no reply. When I
ping from the other device to the router the network activity LED on the
Fx-card flashes and the IRQ counter in /proc/interrupts increases, but again
there is no reply.

I've attached a log with debug=6 that shows what happens during the first
ping.

Has anybody any idea what is wrong here?

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Here is the entry from /proc/pci for the Fx-card:
Bus  0, device  17, function  0:
    Ethernet controller: 3Com Unknown device (rev 0).
      Vendor id=10b7. Device id=905a.
      Medium devsel.  IRQ 11.  Master Capable.  Latency=32.  Min
Gnt=10.Max Lat=10.
      I/O at 0x6100 [0x6101].
      Non-prefetchable 32 bit memory at 0xe1001000 [0xe1001000].
-------

The kernel is 2.2.5 from RedHat 6.0; I've tried the updated driver from
cesdis with the same results.


Regards,
Micha

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