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Re: Woody & network errors



On  0, Dave Eidson <deidson@bluenorthernsoftware.com> wrote:
> Ever since upgrading from Potato to Woody on a box with a 2.4.4 kernel, the 
> eth0 device starting getting errors... lots of errors.  ifconfig shows 
> anywhere from 80 to 150 errors after 2 hours of reasonably heavy Internet 
> activity.  I replaced the patch cable from the PC to the hub,  tried different
> ports on the hub, (eventually trying a new hub) without any changes in the 
> error situation.  I figured it must be the NIC going south so I replaced it 
> (RTL8139) with a 3Com.  Same scenario.  Many errors on eth0.  I can put any
> of the NIC's in question into a Potato machine and they run error free.  But 
> it seems that any combination of cables/hubs/NIC's that I put into the Woody
> machine will rack up a boat load of errors.  There is no indication of 
> problems, web surfing, mail, etc,etc seem to run fine on Woody.  But ifconfig
> seems to indicate differently.  Does anyone have any ideas on what Woody
> might have changed as far as the network interfaces that would cause this?
> It really looks like a hardware problem to me, but I think I've eliminated 
> all posibilities there with a 'when in doubt, swap it out' approach.  Any 
> suggestions are appreciated!

As I understand TCP/IP, erroneous packets will be resent, so errors
don't worry you too much.  If you try anything UDP then you will have
a higher than average packet error rate.

May I ask why you are using 2.4.4?  I use 2.4.18 quite successfully
out of the box...

Tom

>    inet addr:192.168.0.162  Bcast:192.168.0.255  Mask:255.255.255.0
>    UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>    RX packets:4052 errors:24 dropped:2 overruns:20 frame:0
>    TX packets:4083 errors:0 dropped:0 overruns:0 carrier:0
>    collisions:0 txqueuelen:100
>    RX bytes:2135524 (2.0 MiB)  TX bytes:413420 (403.7 KiB)
>    Interrupt:10
> 
> 

-- 
Tom Cook
Information Technology Services, The University of Adelaide

"Other people's priorities are endlessly odd."
	- Kingsley Amis

Get my GPG public key: https://pinky.its.adelaide.edu.au/~tkcook/tom.cook-at-adelaide.edu.au

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