nfe driver 6.2 stable

Chris chrcoluk at gmail.com
Fri Sep 28 11:05:38 PDT 2007


On 28/09/2007, Pyun YongHyeon <pyunyh at gmail.com> wrote:
> On Thu, Sep 27, 2007 at 06:30:20PM +0100, Chris wrote:
>  > On 27/09/2007, Pyun YongHyeon <pyunyh at gmail.com> wrote:
>  > > On Mon, Sep 24, 2007 at 04:44:09PM +0100, Chris wrote:
>
> [...]
>  > >
>  > >  > The card is more stable when using nve driver no crashes still but the
>  > >  > performance is around the same maxing out at around 200mbit.  I was
>  > >  > expecting nearer 400-500mbit.
>  > >  >
>  > >  > e1000phy0: <Marvell 88E1116 Gigabit PHY> on miibus0
>  > >  >
>  > >
>  > > There had been issues nfe(4) with 88E1116/88E1149 PHYs but your issue
>  > > seems to be different one. How about manually set media configuration?
>  > > For example, "ifconfig nfe0 media 1000baseTX mediaopt full-duplex"
>  > >
>
> [...]
>
>  >
>  > I typod I meant to say nve was unstable and nfe has been rock solid so
>  > great work with the driver.  I enabled mpsafe now and still no
>  > problems and its gave me a little more performance as well, a shame my
>  > nic has no hardware features (unusual for a gigabit nic) but overall
>  > glad its at least stable.
>  >
>
> How did you check network performance?
> Maxing out at around 200Mbps seems weird. Personally, I had never seen
> GigE hardwares that saturate at 200Mbps. One of causes I can think of
> is speed/duplex mismatches with link partner. Manually setting
> speed/duplex might fix your performance issue, I guess.
>
> --
> Regards,
> Pyun YongHyeon
>

These are ftp transfers it is running on a amd62 x2 dual core
processor and gig of ram, when at max speed cpu usage is very high in
excess of 80% but not completely maxed out.  It now seems to be able
to sustain around 30meg/sec the highest I have seen I havent done any
other testing so if you have a better way it would be good to know
thanks.  Please bare in mind I have no local access to the server so
crashing it eg. is expensive for as will have to pay for a kvm switch
netstat -i indicates no collisions for a duplex mismatch so not keen
on trying a manual negotiotian again for reasons above.  So even for a
card with no hardware features you would expect it to exceed 200mbit
easily?

I havent enabled net isr setting I wonder if that will help.

Chris


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