From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Chan" Subject: Re: tg3 bad performance, lots of hardware interrupts Date: Fri, 28 Mar 2008 09:49:20 -0800 Message-ID: <1206726560.6866.5.camel@dell> References: <20080327.144925.196529669.davem@davemloft.net> <1206666100.5368.6.camel@dell> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: "David Miller" , linux-kernel@vger.kernel.org, netdev To: "Harald Hannelius" Return-path: Received: from mms1.broadcom.com ([216.31.210.17]:3391 "EHLO mms1.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751822AbYC1QsF (ORCPT ); Fri, 28 Mar 2008 12:48:05 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2008-03-28 at 15:04 +0200, Harald Hannelius wrote: > Phew, I thought that running ethtool -t was like doing stop-A-sync on > a > Sun. It took almost half an hour to run that ethtool -t command; Something is very wrong. ethtool -t should only take a few seconds to complete. You can try ethtool -t eth0 online to reduce the number of tests to see if it makes a difference. How many of these NICs do you have? If you have more than one, do they all behave the same way? Have they ever worked well before?