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SubjectRe: Ethernet errors
On Tue, 28 Sep 1999, Brian A May wrote:

> Hello All,
>
> It was recently suggested that I replace my Etherexpress adaptor
> with a cheap NE2000 driver, in order to fix the problems.
>
> Fair enough, but I still having similar problems with an ISA NE2000
> card. Alan Cox once told me that the cheap set was known to be good, and
> it must be an interrupt conflict problem. While I disagreed with the
> interrupt conflict (nothing else uses IRQ 11), I did change the IRQ from
> 11 to 15. I thought it fixed the problem, but it still re-occurs.
>
> However, with 2.2.12, I get more error information:
> Sep 28 08:45:10 snoopy kernel: eth0: mismatched read page pointers 0 vs 61.
> Sep 28 08:45:10 snoopy kernel: eth0: mismatched read page pointers 0 vs ff.
> Sep 28 08:45:10 snoopy last message repeated 16 times
> Sep 28 08:45:10 snoopy kernel: eth0: unexpected TX-done interrupt, lasttx=20.
> Sep 28 08:45:10 snoopy kernel: eth0: mismatched read page pointers 0 vs ff.


I am getting logs like this with a Planet PCMCIA Ethernetcard ENW-3502
(10Mbps) on a Highscreen laptop. I already reported this behavior some
time ago on this list. Currently I use kernel 2.2.13pre9 (gcc version
2.7.2.3.f.1). The number of logs increases by high usage of the card
that is by doing things like ping -f. I can also exclude IRQ-problems.


> The Ethernet adaptor just died.

My ethenet adaptor stays alive, however there is some tremendous slowdown
in data transfer.

> Any ideas? I seem to be having lots of networking problems lately.
> It would be really nice if I could fix just 1...

I agree ;-)

--
Thomas


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