Slow connections with 3COM 3C905-TX

Sven Wiebus sven.wiebus@ascad.de
Wed Aug 25 10:39:14 1999


Hi!

Thanks for you reply!

There are no error messages in the kern.debug logfile. Regarding the NIC it
only says:

----------------------------------------------------------------------------
------
Aug 25 15:56:46 a3 kernel: 3c59x.c:v0.99L 5/28/99 Donald Becker

http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
Aug 25 15:56:46 a3 kernel: eth0: 3Com 3c905 Boomerang 100baseTx at 0xfcc0,
                           00:60:08:55:c3:fb, IRQ 11
Aug 25 15:56:46 a3 kernel: 8K word-wide RAM 3:5 Rx:Tx split, autoselect/MII
interface.
Aug 25 15:56:46 a3 kernel: MII transceiver found at address 24, status 786f.
Aug 25 15:56:46 a3 kernel: Enabling bus-master transmits and whole-frame
receives.
----------------------------------------------------------------------------
------

Best regards

Sven


> Sven Wiebus wrote:
> >The problem I have is, that most the time, I only get
> up/downlaodspeeds of
> >about 10kBytes/s. Only sometimes, and then never for longer than some 30
> >seconds at the beginning of a file transfer, I get speeds up to
> 800 kBytes/s
> >(peers only have 10Mbit  connections). After this 30 seconds, if at all,
> >speed falls back to about 8kBytes/s for the rest of the transfer.
>
> Is there any error messages in your log file regarding the NIC?
> If you have "eth0: Transmit Error" lines in the log, my patch
> may be helpful.  However, the error message appears only if you have
> enabled logging of kern.debug in your syslog.conf.
> --
> sysuh
>