Re: Strange behaviour with gigabit ethernet
On Monday 30 January 2006 7:21 am, Andrew Ingram wrote:
> Hi List!
>
> I recently upgraded my home network to gigabit ethernet, replacing my old
> 10/100hub with a Netgear gigabit switch.
>
> I was doing some transfer speed experiements between my Linux machine and
> my windows machine, copying things to and from a samba share and I ran into
> some problems.
>
> Basically, copying FROM the samba share onto the windows box was like
> lightning, as expected. However, copying TO the samba share from the
> windows box was pathetic (something which took 6 minutes to transfer from
> the share was going to take 200minutes to put back!).
>
> I looked at dmesg and noticed lots of:
> eth1: -- ERROR --
> Class: Hardware failure
> Nr: 0x26f
> Msg: FIFO overflow error
>
> Does anyone know what this means?
>
> The box is a Sid box, running a Debian 2.6.12 kernel and the ethernet card
> is a (from lspci):
> Ethernet controller: 3Com Corporation 3c940 10/100/1000Base-T [Marvell]
> using the sk98lin kernel module.
>
> When the module is loaded on bootup, it ouputs:
> eth1: network connection up using port A
> speed: 1000
> autonegotiation: yes
> duplex mode: full
Are you sure your switch supports full duplex?
Joe
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