Re: How do I find the cause of these errors?

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Hi

from what i can tell is the overun is because you have had a
buffer overrun on the network card
eg more data has been sent to the card from another computer than
the computer can process.

except you should not get 1 on the TX stats.

these are more common on a 486sx33 or so :)

eth0      Link encap:Ethernet  HWaddr 00:A0:24:83:2E:15
          inet addr:192.168.1.6  Bcast:255.255.255.0  Mask:255.255.255.0
          inet6 addr: fe80::2a0:24ff:fe83:2e15/10 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:838304 errors:219 dropped:0 overruns:227 frame:219
          TX packets:758826 errors:0 dropped:0 overruns:0 carrier:4
          collisions:1443 txqueuelen:100
          RX bytes:224044357 (213.6 Mb)  TX bytes:124675867 (118.9 Mb)
          Interrupt:5 Base address:0x220

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:145682 errors:0 dropped:0 overruns:0 frame:0
          TX packets:145682 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:11293779 (10.7 Mb)  TX bytes:11293779 (10.7 Mb)




----- Original Message -----
From: "Casey Carter" <Casey@Carter.net>
To: <linux-net@vger.kernel.org>
Sent: Friday, December 07, 2001 7:45 PM
Subject: Re: How do I find the cause of these errors?


> That's one of the cool things about us Linux geeks.  Show me a Windows
> user who will put effort into tracing down the source of 1 error in 11
> million packet transmissions...
>
> Kenneth Stephen wrote:
> > Hi,
> >
> > Here is the output of my ifconfig :
> >
> > eth0      Link encap:Ethernet  HWaddr 00:20:78:05:EA:0B
> >           inet addr:X.y.54.140  Bcast:X.Y.54.191  Mask:255.255.255.192
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >           RX packets:9162662 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:11040532 errors:1 dropped:0 overruns:1 carrier:0
> >           collisions:0 txqueuelen:100
> >           Interrupt:15 Base address:0xa000
> >
> > eth1      Link encap:Ethernet  HWaddr 00:03:6D:1C:E3:3F
> >           inet addr:X.Y.19.1  Bcast:X.Y.19.31  Mask:255.255.255.224
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >           RX packets:613065 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:586288 errors:1 dropped:0 overruns:1 carrier:0
> >           collisions:0 txqueuelen:100
> >           Interrupt:5 Base address:0x9000
> >
> > eth1:0    Link encap:Ethernet  HWaddr 00:03:6D:1C:E3:3F
> >           inet addr:X.Y.19.2  Bcast:X.Y.19.31  Mask:255.255.255.224
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >           Interrupt:5 Base address:0x9000
> >
> > lo        Link encap:Local Loopback
> >           inet addr:127.0.0.1  Mask:255.0.0.0
> >           UP LOOPBACK RUNNING  MTU:3924  Metric:1
> >           RX packets:42 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:42 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:0
> >
> > The kernel used is 2.2.20 and the driver is (for both cards) the
> > tulip driver (Comet chip). Packet forwarding takes place between eth0
and
> > eth1. Given that the one error seems to be on the TX line for both
> > interfaces, it seems that the errors originated from this machine. Are
> > there any tools I could use / parameters for the driver which I could
set
> > to allow me to track down what is the cause of these errors?
> >
> > Thanks,
> > Kenneth
> >
> > -
> > : send the line "unsubscribe linux-net" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >
>
>
>
> --
> Casey Carter
> Casey@Carter.net
> ccarter@uiuc.edu
> AIM: cartec69
>
> -
> : send the line "unsubscribe linux-net" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


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