From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Fastabend Subject: Re: mpd client timeouts (bisected) 2.6.35-rc3 Date: Sun, 13 Jun 2010 01:05:27 -0700 Message-ID: <4C149147.3080808@intel.com> References: <20100612102802.GA1782@arch.tripp.de> <20100612.145835.123986343.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "markus@trippelsdorf.de" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" To: David Miller Return-path: Received: from mga01.intel.com ([192.55.52.88]:23922 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751704Ab0FMIF3 (ORCPT ); Sun, 13 Jun 2010 04:05:29 -0400 In-Reply-To: <20100612.145835.123986343.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: David Miller wrote: > From: Markus Trippelsdorf > Date: Sat, 12 Jun 2010 12:28:02 +0200 >=20 >> Commit 597a264b1a9c7e36d1728f677c66c5c1f7e3b837: >> =BBnet: deliver skbs on inactive slaves to exact matches=AB >> >> causes large timeouts when mpd clients try to connect to a locally >> running mpd (music player demon) on my machine. This makes it=20 >> impossible to control mpd. >> >> I bisected this down to the commit mentioned above. >> Reverting the commit from 2.6.35-rc3 also solves the problem. >=20 > John, find an easy and fast way to fix this or else I am > going to revert. >=20 > Thanks. Looks like skbs are hitting loopback_xmit() with deliver_no_wcard set. = Then in=20 the receive path these skbs are only delivered to exact matches. Not s= ure why=20 this bit is set here, I'll track this down first thing tomorrow. Thanks, John.