vr speed issues

Charles Sprickman spork at bway.net
Mon Dec 4 11:31:48 PST 2006

On Mon, 4 Dec 2006, Jorn Argelo wrote:

> Jamie Clark wrote:
>> Steven Hartland wrote:
>>> Charles Sprickman wrote:
>>>>> Backing up the 4.10 box was within an acceptable margin of wire
>>>>> speed (~8MB/s on 100M ethernet) given that a router was in the
>>>>> middle. That's roughly how the box has always performed.
>>>>> After installing 6.1_RELEASE and updating to RELENG_6 I started the
>>>>> restore. Maxed out at about 380kB/s. Now I tested the backup speed
>>>>> again and it has also dropepd to 380k.
>>> That speed is indicative of a FD / HD mismatch between the switch
>>> and the NIC if its hard coded try setting auto if its auto try
>>> hardcoding. N.B. Ensure both ends are set in the same way i.e. hard/auto
>>> or problems start.
>> Both are auto and show 100 FD. The switch port stats show zeros on all the
>> error counters.
>> Good thinking though. I wouldn't yet rule out an external influence as I
>> have not performed any in-depth diagnosis of this - but I can't think of
>> anything obvious aside from the OS upgrade.
>> -Jamie
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> Well my two embedded vr NICs work just fine. I get 8 - 9 MByte / second with 
> FTP, using vsftpd, and 3-4 Mbyte / sec with SCP. Though this could also be 
> current CPU issues, as the box is quite busy and the Via C3 isn't all that 
> fast. I am running 6.2-PRERELEASE. Also, did you try device polling? Maybe 
> that helps, although I currently don't have it in my kernel configuration.
> Here's an ifconfig output, let me know if you need anything else.

Can you snip the relevant section of "pciconf -vl" to see the chip 
version?  It seems like this only happens with some of the Via Rhine II 



> [user at host] ~> ifconfig
>       inet netmask 0xffffff00 broadcast
>       ether 00:40:63:df:e5:ee
>       media: Ethernet autoselect (100baseTX <full-duplex>)
>       status: active
>       inet netmask 0xffffff00 broadcast
>       ether 00:40:63:df:e5:4e
>       media: Ethernet autoselect (100baseTX <full-duplex>)
>       status: active
> Cheers,
> Jorn

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