NIC drops all packages
Bob Chiodini
chiodr at kscems.ksc.nasa.gov
Fri Jul 16 10:55:31 UTC 2004
On Thu, 2004-07-15 at 14:04, Mark wrote:
> Hi.
>
> I have a 3 NICs in a system, 1 onboard and 2 tulip-driver cards.
> The tulip cards are identical. The builtin one is eth0, the two tulips are
> eth1 and eth2.
> They all go into the same switch and then on to the rest of the LAN. All 3
> LEDs on the switch are green. Eth2 has green and orange lights.
> Eth2 is dropping all packages, not one makes it through. I get a bunch of
> these messages:
> Jul 15 10:42:59 lvd2 kernel: NETDEV WATCHDOG: eth2: transmit timed out
> Jul 15 10:42:59 lvd2 kernel: eth2: 21140 transmit timed out, status
> f8922010, SIA 000003c0 ffff0001 fffbfb7f 8ff0c008, resetting...
> Jul 15 10:42:59 lvd2 kernel: eth2: transmit timed out, switching to
> 100baseTx-FDX media.
> Jul 15 10:43:07 lvd2 kernel: NETDEV WATCHDOG: eth2: transmit timed out
> Jul 15 10:43:07 lvd2 kernel: eth2: 21140 transmit timed out, status
> f8922010, SIA 000003c0 ffff0001 fffbfb7f 8ff5c008, resetting...
> Jul 15 10:43:07 lvd2 kernel: eth2: transmit timed out, switching to
> 10baseT-FDX media.
>
What do the LEDs an the switch indicate?
You did not say what brand of NIC the tulip cards are, if Linksys, the
yellow LED might indicate a 100Mb/s link. What does mii-tool tell you
about eth2?
If you switch cables between eth1 and eth2 and correct the IP addresses
accordingly, does eth2 work? If so, look for a cable or switch port
problem. If not then it's probably the NIC.
> Could the NIC be broken, or is this something else? Also, I just noticed
> that eth0 and eth1 both use IRQ 5. Is that ok?
Sharing the IRQ should be OK.
> Trying to ping an address in eth2's network comes back with network
> unreachable
> If I switch the addresses of eth0 and eth2 I can ping the address that I
> could not ping before.
Did you move the cables as well? This sounds like, at least, the 101
and 103 subnets are "connected" together at the switch.
I noticed your other post concerning the NMI. Has kudzu stabilized as
far as the internal NIC? What is in your /etc/modules.conf?
Bob...
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