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SubjectRe: natsemi.c failure in 2.4.6
>         Found that in 2.4.6, Natsetmi card I have doesn't receive
> traffic anymore. It worked in 2.4.5, though.
>
> The natsemi card is forced to 10/half via mii-diag at boot,
> and given a different MAC address (due to some problems I had with
> the original MAC address and netbooting a sparc). Forcing it to
> 100/full didn't work, either.

Could you try what happens without any special options? Default MAC
address, without mii-diag.

> Basic mode control register 0x2100: Auto-negotiation disabled, with
> Speed fixed at 100 mbps, full-duplex.

> [PC Linux 2.4.6] <--> p10/100 hub] <--> [SS4 NetBSD 1.5]

> Speed fixed at 100 mbps, full-duplex.

> I'm advertising 05e1: Flow-control 100baseTx-FD 100baseTx 10baseT-FD 10baseT
> Advertising no additional info pages.
> IEEE 802.3 CSMA/CD protocol.
> Link partner capability is 45e1: Flow-control 100baseTx-FD 100baseTx
> 10baseT-FD. 10baseT. Negotiation completed.

Something is wrong.
Are you sure it's a hub? The link partner ability says FullDuplex
capable, it's either a switch or the negotiation produced wrong results.

The natsemi nic advertises 5e1, but the speed is fixed at 100 mbps.
Probably a forced renegotiation after mii-diag changes is missing, and
the forced settings aren't used properly.

I'll look at it.

--
Manfred
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