Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765561AbXHFRo0 (ORCPT ); Mon, 6 Aug 2007 13:44:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754701AbXHFRoM (ORCPT ); Mon, 6 Aug 2007 13:44:12 -0400 Received: from mx1.redhat.com ([66.187.233.31]:47469 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752019AbXHFRoK (ORCPT ); Mon, 6 Aug 2007 13:44:10 -0400 Message-ID: <46B75DD4.5080709@redhat.com> Date: Mon, 06 Aug 2007 13:43:48 -0400 From: Chuck Ebbert Organization: Red Hat User-Agent: Thunderbird 1.5.0.12 (X11/20070719) MIME-Version: 1.0 To: Ingo Molnar CC: =?UTF-8?B?TWFyY2luIMWabHVzYXJ6?= , Jarek Poplawski , Thomas Gleixner , Linus Torvalds , Jean-Baptiste Vignaud , linux-kernel , shemminger , linux-net , netdev , Andrew Morton , Alan Cox Subject: Re: 2.6.20->2.6.21 - networking dies after random time References: <1185322771.4175.102.camel@chaos> <4bacf17f0707260016x14fc1c92s628ae64353663833@mail.gmail.com> <20070726081326.GA3197@ff.dom.local> <1185437431.3227.21.camel@chaos> <20070726083120.GA26910@elte.hu> <20070726085523.GA3423@ff.dom.local> <20070726091254.GA8063@elte.hu> <4bacf17f0707300029g5116e70bq4808059dc8b069f1@mail.gmail.com> <20070731132037.GC1046@ff.dom.local> <4bacf17f0708060000n5a00bb77i74adc3b4b28ac42b@mail.gmail.com> <20070806070300.GA4509@elte.hu> In-Reply-To: <20070806070300.GA4509@elte.hu> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1136 Lines: 31 On 08/06/2007 03:03 AM, Ingo Molnar wrote: > > But, since level types don't need this retriggers too much I think > this "don't mask interrupts by default" idea should be rethinked: > is there enough gain to risk such hard to diagnose errors? > > I reverted those masking changes in Fedora and the baffling problem with 3Com 3C905 network adapters went away. Before, they would print: eth0: transmit timed out, tx_status 00 status e601. diagnostics: net 0ccc media 8880 dma 0000003a fifo 0000 eth0: Interrupt posted but not delivered -- IRQ blocked by another device? Flags; bus-master 1, dirty 295757(13) current 295757(13) Transmit list 00000000 vs. f7150a20. 0: @f7150200 length 80000070 status 0c010070 1: @f71502a0 length 80000070 status 0c010070 2: @f7150340 length 8000005c status 0c01005c Now they just work, apparently... So why not just revert the change? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/