Re: 3c59x very slow with 2.6.X

[Måns Rullgård]

Frank Steiner <fsteiner-mail@xxxxxxxxxxxxxx> writes:

> Bernd Schubert wrote:
>> Hello,
>> somehow the network speed is reduced to 14MBit with 2.6.X on my
>> system, with 2.4.X it has full 100MBit.
>> As all our systems boot diskless this is really annoying and I will
>> reboot 2.4.27 soon.
>> euklid:~# nttcp -T hamilton2
>>      Bytes  Real s   CPU s Real-MBit/s  CPU-MBit/s   Calls  Real-C/s   CPU-C/s
>> l  8388608    4.73    4.60     14.2004     14.5911    2048    433.36     445.3
>> 1  8388608    4.73    0.03     14.1984   2236.9621    6145   1300.12  204833.3
>
> No problem here: both machines have a 3com 3c905CX-TX and run kernel 2.6.7.
>
> zassenhaus /root# nttcp -T riemann
>       Bytes  Real s   CPU s Real-MBit/s  CPU-MBit/s   Calls  Real-C/s   CPU-C/s
> l  8388608    0.71    0.01     94.9903   7457.3690    2048   2898.87  227580.8
> 1  8388608    0.71    0.04     93.9984   1598.0964    5794   8115.57  137975.4
>
> The driver is compiled into the kernel, not as module. Could that make a
> difference for you?

FWIW, I'm using a 3c905C-TX with kernel 2.6.6 and 3c59x as a module,
without any problems at all.

-- 
Måns Rullgård
mru@xxxxxx

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