From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261337AbVGGPdC (ORCPT ); Thu, 7 Jul 2005 11:33:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261296AbVGGPcz (ORCPT ); Thu, 7 Jul 2005 11:32:55 -0400 Received: from mx1.elte.hu ([157.181.1.137]:28343 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S261369AbVGGPbo (ORCPT ); Thu, 7 Jul 2005 11:31:44 -0400 Date: Thu, 7 Jul 2005 17:31:03 +0200 From: Ingo Molnar To: Steven Rostedt Cc: linux-kernel@vger.kernel.org Subject: Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.50-45 Message-ID: <20050707153103.GA22782@elte.hu> References: <200506301952.22022.annabellesgarden@yahoo.de> <20050630205029.GB1824@elte.hu> <200507010027.33079.annabellesgarden@yahoo.de> <20050701071850.GA18926@elte.hu> <20050703140432.GA19074@elte.hu> <20050703181229.GA32741@elte.hu> <20050706100451.GA7336@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Steven Rostedt wrote: > Hi Ingo, > > I've just downloaded 51-09 and tried running it here on a normal intel > pentium4 box here at my customers site. It included some hotplug PCI > modules (I don't know why since it's doesn't have hotplug devices) and > I got some init_MUTEX_LOCKED bugs on them. Below you will find the > patch (I assume that compat_semaphore is still used). thanks, i've applied it, and it's now in 51-11. > Anyway, I also want to let you know that the e100 does not work. It's > detected, but it wont bring up DHCP, and when I manually configued it, > it just froze (the process not the machine). But when I did a sysrq-t, > the machine froze up after it completed with some RT yeilding bug. > Here's what was last to spit out: is PCI_MSI enabled by any chance? That is known to break level-triggered IOAPIC irqs and devices. > NETDEV WATCHDOG: eth0: transmit timed out > BUG: events/0:10 RT task yield()-ing! i have replaced this yield() with msleep(1) in -51-11, but that's just fixing the symptom. Ingo