Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765064AbXHJJTb (ORCPT ); Fri, 10 Aug 2007 05:19:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754628AbXHJJTU (ORCPT ); Fri, 10 Aug 2007 05:19:20 -0400 Received: from mx12.go2.pl ([193.17.41.142]:47602 "EHLO poczta.o2.pl" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751783AbXHJJTS (ORCPT ); Fri, 10 Aug 2007 05:19:18 -0400 Date: Fri, 10 Aug 2007 11:19:54 +0200 From: Jarek Poplawski To: Ingo Molnar Cc: Jean-Baptiste Vignaud , "marcin\.slusarz" , tglx , torvalds , linux-kernel , shemminger , linux-net , netdev , akpm , alan Subject: Re: [patch (testing)] Re: 2.6.20->2.6.21 - networking dies after random time Message-ID: <20070810091954.GI1764@ff.dom.local> References: <20070810083720.GE1764@ff.dom.local> <20070810084841.GA11086@elte.hu> <20070810090318.GG1764@ff.dom.local> <20070810090833.GA15121@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070810090833.GA15121@elte.hu> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1129 Lines: 28 On Fri, Aug 10, 2007 at 11:08:33AM +0200, Ingo Molnar wrote: > > * Jarek Poplawski wrote: > > > On 10-08-2007 10:05, Thomas Gleixner wrote: > > ... > > > But suppressing the resend is not fixing the driver problem. The > > > problem can show up with spurious interrupts and with interrupts on > > > a shared PCI interrupt line at any time. It just might take weeks > > > instead of minutes. > > > > Maybe I miss something but it's not the same! > > _now_ i finally understand what you probably meant: because sw-resend > worked and hw-resend didnt, it's hw-resend that is causing the breakage, > not any driver or irqflow bug - correct? All correct! There was also checked a possibility it can be not hw itself, but wrong way of handling after hw (acking too late). This was false idea (or bad implementation), so it looks like hw vs lapic problem. Jarek P. - 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/