netdev - Re: tg3 NIC driver bug in 3.14.x under Xen

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Message-ID: <1428425741.4212.1.camel@LTIRV-MCHAN1.corp.ad.broadcom.com>
Date:	Tue, 7 Apr 2015 09:55:40 -0700
From:	Michael Chan <mchan@...adcom.com>
To:	Ian Jackson <Ian.Jackson@...citrix.com>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Prashant Sreedharan <prashant@...adcom.com>,
	Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>,
	Vlad Yasevich <vyasevich@...il.com>,
	"Nithin Nayak Sujir" <nsujir@...adcom.com>,
	<xen-devel@...ts.xensource.com>, <netdev@...r.kernel.org>
Subject: Re: tg3 NIC driver bug in 3.14.x under Xen

On Tue, 2015-04-07 at 16:12 +0100, Ian Jackson wrote:
> The symptom is a very high level of packet loss: around 25-30% (as
> seen in `ping').  There don't seem to be any untoward-looking kernel
> messages.  The lost packets get added to the `errors' counter shown in
> ifconfig. 

Please provide the output of "ethtool -S" which has a better breakdown
of the error counters.  Thanks.

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