Subject: Re: bne2 rx packet drop?

From: "Michael Chan" <[email-masked]>
Date: Wed, 4 Aug 2010 16:47:03 -0700

On Wed, 2010-08-04 at 16:29 -0700, Rusty Russell wrote:
> Hi Michael (and netdev!)
> 
>    I've got a customer seeing ~1000 rx packets dropped per day (on a busy
> interface, bonding) via 'netstat -ni' RX-DRP's field across their 4-node
> cluster.  The code seems to put checksum_discard and mac_discard into
> that counter, so I'm not sure what the root cause is.
> 
> Any hints?  What are the conditions which cause mac_discard?
> 

Please ask the customer for ethtool -S ethx.  It has a number of
different counters for rx dropped packets so we can get a better idea of
what's happening.

Thanks.