[BlueOnyx:02956] Re: Suspected Ethernet problem with r8169 driver

[Greg Kuhnert]

I have a server with the same chipset. amd I've been dealing with 
problems ever since. This relates to a known bug in the drivers for this 
card. A fix has been posted back in October last year....

http://userweb.kernel.org/~romieu/r8169/2.6.27-rc9/20081007/0009-r8169-fix-RxMissed-register-access.patch

Its a shame that no-one has integrated this into the official Centos 
kernel code yet. I also have a server with this problem. Rather than 
running custom unsupported kernels, I have a small script that runs to 
detect and recover from the problem. Basically, it pings the default 
gateway. If the response time is greater than 50 msec on average, it 
does a ifdown / ifup for that interface. I run this every 15 minutes in 
/etc/cron.quarter-hourly

Regards,
Greg.

#!/bin/bash
MAXPING=50
MYIF=`route -n | grep ^0.0.0.0 | cut -b 73- | tail -1`
MYGW=`route -n | grep ^0.0.0.0 | cut -b 17- | cut -d " " -f 1 | tail -1`
PINGTIME=`ping $MYGW -A -c 5 | grep "/" | cut -d "/" -f 5 | cut -d "." -f 1`
if [ $PINGTIME -gt $MAXPING ]
then
  echo Refreshing interface $MYIF
  ifdown $MYIF
  ifup $MYIF
fi

-- 

+---------------------------------------------------------------------+
|   / \   Greg Kuhnert, gkuhnert at compassnetworks.com.au               |
| <  o  > Compass Networks - Pointing you in the right direction      |
|   \ /   Come see us for BlueQuartz / BlueOnyx modules & Support.    |
+---------------------------------------------------------------------+ 


Stephanie Sullivan wrote:
>> -----Original Message-----
>> From: blueonyx-bounces at blueonyx.it [mailto:blueonyx-
>> bounces at blueonyx.it] On Behalf Of User Ernie
>> Sent: Wednesday, November 25, 2009 8:13 PM
>> To: blueonyx at blueonyx.it
>> Subject: [BlueOnyx:02946] Suspected Ethernet problem with r8169
>> driver
>>
>> I am having a strange problem with bueOnyx on an Intel Atom D945GCFL2
>> mini-itx board and the r8169 ethernet controller. It's a popular bord
>> with
>> embeded CPU.
>>
>> After a few days of normal operation the ethernet port start to take
>> long
>> and longer to respond, up to 15sec, and start dropping packets etc. I
>> reboot
>> the server and all is fine again. Top shows plenty of memory free and
>> not
>> much CPU load. The same board works fine with FreeBSD 7.2-RELEASE.
>>
>> I am running the latest BlueOnlx update.
>>
>> Anyone ele tried this board and not having the problem?
>>
>> - Ernie.
>> _______________________________________________
>> Blueonyx mailing list
>> Blueonyx at blueonyx.it
>> http://www.blueonyx.it/mailman/listinfo/blueonyx
>>     
>
> I googled for you and found the following which may be of interest
>
> http://lists.centos.org/pipermail/centos/2008-July/060963.html
>
> 	Thanks,
> 		-Stephanie
>
>
>
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>