From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754918AbYISXNb (ORCPT ); Fri, 19 Sep 2008 19:13:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751734AbYISXNX (ORCPT ); Fri, 19 Sep 2008 19:13:23 -0400 Received: from rv-out-0506.google.com ([209.85.198.226]:17806 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751389AbYISXNW (ORCPT ); Fri, 19 Sep 2008 19:13:22 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=XiP9cm2CbfSKRbcjOUEjBK0xPQPxXCI7h+5l85Wtg70rj7oq3Zah8wUrx5rKvFVaRY 6cgWUUd59MqOmIffkeRTq5Va7VUsx/cpkPjpzuADNx4eur1bOsLTEN0v3EEPLISYfbEw xk9xc0JhJnizmhT71TmPmUnjBqHcaeXcjMWXI= Message-ID: <70318cbf0809191613u19ecc807j8911bc9a4ada50a2@mail.gmail.com> Date: Fri, 19 Sep 2008 16:13:21 -0700 From: "Chris Li" To: "Alan Cox" Subject: Re: irq 19: nobody cared Cc: linux-kernel@vger.kernel.org In-Reply-To: <20080919233808.64aa7539@lxorguk.ukuu.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <70318cbf0809191340t4e9d4caft6656713576cd2084@mail.gmail.com> <20080919233808.64aa7539@lxorguk.ukuu.org.uk> X-Google-Sender-Auth: 0ea8e11a306583ce Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 19, 2008 at 3:38 PM, Alan Cox wrote: > > It could also be an IRQ being routed wrongly or an incorrect BIOS table > so that the kernel is looking for the IRQ in the wrong place. > > Does booting with the irqpoll option help ? Yes, booting with irqpoll option does helps with the latest kernel. There is not such message appear any more. However I do want the kernel fix this problem. The very same problem prevent me from installing a FC8 live CD on this slim tower. In that FC8 kernel, irqpoll does not help. BTW, it was working fine on FC7 kernel. Upgrade to FC8 complete ruined it. There are other user dell slim tower user report the same problem on the Internet. One of the work around mention on the internet is to change BIOS setting for SATA from "IDE" mode to "RAID" mode. That tip complete destroy my partition but does not work for me any way. FC9 is better, at least I am able to install with irqpoll. I was hoping some one else already complain this on the lkml and get it fixed. Guess not. So I am going my part then. >> usb 4-2: new full speed USB device using uhci_hcd and address 2 >> irq 19: nobody cared (try booting with the "irqpoll" option) > > And does this last one (the irq19) occur immediately when you plug in a > USB device ? No, the USB device is already (cold) plug to the system before the kernel was booted. That new device message should be the first time the USB driver detect the those USB device. I just load the kernel and I did not hotplug any thing. It is the USB keyboard and mouse I think. Any thing I can do to help to identify the problem? Chris