From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: Extremely bad performance with RTL8111/8168B Date: Thu, 11 Jul 2013 02:24:03 +0200 Message-ID: <20130711002402.GA9889@amd.pavel.ucw.cz> References: <20130708095459.GA29788@amd.pavel.ucw.cz> <1373291269.4979.102.camel@edumazet-glaptop> <20130710134104.GA4086@amd.pavel.ucw.cz> <20130710192929.GA28777@electric-eye.fr.zoreil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Eric Dumazet , hayeswang , netdev@vger.kernel.org To: Francois Romieu Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:53677 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754088Ab3GKAYH (ORCPT ); Wed, 10 Jul 2013 20:24:07 -0400 Content-Disposition: inline In-Reply-To: <20130710192929.GA28777@electric-eye.fr.zoreil.com> Sender: netdev-owner@vger.kernel.org List-ID: Hi! > > Actually, receiving is slow. Transmit is ok. "duo" is "bad" machine > > with RTL card. > > No hint from the hardware statistics (ethtool -S eth0) ? Nothing suspicious _now_. For some reason network started going expected speed. I replugged cable few times, replugged power, tried different ethernet card, went back to RTL, and worked around e1000e problem on the other machine. Not sure what helped, but now transfers are in 10MB/sec range. ... strange. It seems ok now. Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html