kernel: NETDEV WATCHDOG: eth0: transmit timed out

[Sven Dowideit]

I have an IBM thinkpad T21 that has a 3Com ethernet card that has not
been working in a long while (with ACPI turned on).

Recently (the last 2-3 releases or so) it has also been getting the
following messages (until i remember to to an ifconfgi eth0 down)

Feb 23 00:22:00 sven kernel: NETDEV WATCHDOG: eth0: transmit timed out
Feb 23 00:22:35 sven last message repeated 3 times
Feb 23 00:23:35 sven last message repeated 5 times
Feb 23 00:24:35 sven last message repeated 5 times
Feb 23 00:25:35 sven last message repeated 5 times
Feb 23 00:26:00 sven last message repeated 2 times


the other weird thing, is that my computer pauses every few seconds, for
a second, and it seems like this symptom goes away after the ifconfig
down. 


any ideas?

cheers

Sven

------------------------------------------------------------------
00:03.0 Ethernet controller: 3Com Corporation 3c556B Hurricane CardBus
(rev 20)
        Subsystem: 3Com Corporation: Unknown device 6356
        Flags: bus master, medium devsel, latency 64, IRQ 11
        I/O ports at 1800 [size=256]
        [virtual] Memory at e8101400 (32-bit, non-prefetchable)
[size=128]
        [virtual] Memory at e8101000 (32-bit, non-prefetchable)
[size=128]
        Expansion ROM at <unassigned> [disabled] [size=128K]
        Capabilities: [50] Power Management version 2


eth0      Link encap:Ethernet  HWaddr FF:FF:FF:FF:FF:FF  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:21 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
          Interrupt:11 Base address:0x1800 


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