From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754322AbZGMXfT (ORCPT ); Mon, 13 Jul 2009 19:35:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753968AbZGMXfM (ORCPT ); Mon, 13 Jul 2009 19:35:12 -0400 Received: from mail-qy0-f192.google.com ([209.85.221.192]:47402 "EHLO mail-qy0-f192.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753698AbZGMXfF (ORCPT ); Mon, 13 Jul 2009 19:35:05 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=Rxr0lNq3fy96eNCCNSulE5jhAyFmTLYWTSVxQV51d0dsJ9m91F9eNN0h0o8U3pAhp+ fl1olbHg7LiAxDXSmjJCo+NkZdhsKkumavA6LYJHmBhX9I04qo2AIMsrmqsXQPGDGRxI NxExWgeDosqv/xasgXld4ixJvJC05v3unF3Lk= Message-ID: <4A5BC50D.9020102@gmail.com> Date: Mon, 13 Jul 2009 17:36:45 -0600 From: Robert Hancock User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Thunderbird/3.0b2 MIME-Version: 1.0 To: Paul Bolle CC: linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: Floppy constantly accessed in 2.6.31-rc2 References: <1247526411.5220.5.camel@localhost.localdomain> In-Reply-To: <1247526411.5220.5.camel@localhost.localdomain> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/13/2009 05:06 PM, Paul Bolle wrote: > On Sun, 2009-07-12 at 23:44 -0600, Robert Hancock wrote: >> On 2.6.31-rc2 (actually current git as of today) the floppy drive is >> constantly being accessed with these messages being reported: >> >> Platform driver 'floppy' needs updating - please use dev_pm_ops >> Floppy drive(s): fd0 is 1.44M >> FDC 0 is a post-1991 82077 >> end_request: I/O error, dev fd0, sector 0 >> end_request: I/O error, dev fd0, sector 0 >> end_request: I/O error, dev fd0, sector 0 >> end_request: I/O error, dev fd0, sector 0 >> end_request: I/O error, dev fd0, sector 0 >> end_request: I/O error, dev fd0, sector 0 >> end_request: I/O error, dev fd0, sector 0 >> >> lsof reports no process with /dev/fd0 open so it is not clear what is >> causing this activity. It looks like the access starts when I log in to >> X, but doesn't stop when I log out. I'm guessing HAL or something checks >> the floppy drive and then the kernel somehow gets stuck in a loop >> retrying the request.. > > That does look a bit like > https://bugzilla.redhat.com/show_bug.cgi?id=489083 (and its duplicate > https://bugzilla.redhat.com/show_bug.cgi?id=496586 ). Indeed, it is.. It looks like in 2.6.29.5 the floppy module isn't being autoloaded and in 2.6.31-rc2 it is, which causes the DeviceKit bug to show up. Updating DeviceKit seems to fix the problem. So, not a kernel regression.