From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755560Ab1EYTQr (ORCPT ); Wed, 25 May 2011 15:16:47 -0400 Received: from mail1-out1.atlantis.sk ([80.94.52.55]:59553 "EHLO mail.atlantis.sk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753516Ab1EYTQq (ORCPT ); Wed, 25 May 2011 15:16:46 -0400 From: Ondrej Zary To: Tejun Heo Subject: [bisected] 2.6.39 breaks floppy Date: Wed, 25 May 2011 21:16:36 +0200 User-Agent: KMail/1.9.10 MIME-Version: 1.0 Content-Disposition: inline X-Length: 985 Cc: Jens Axboe , Kernel development list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201105252116.37839.linux@rainbow-software.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, floppy stopped working in 2.6.39 (confirmed on two machines). 2.6.38 worked fine. /dev/fd0 is created but does not work (mdir says: "No such device or address", mount says "/dev/fd0 is not a valid block device"). dmesg shows no errors: Floppy drive(s): fd0 is 1.44M FDC 0 is a post-1991 82077 Bisected it to 9fd097b14918875bd6f125ed699d7bbbba5893ee (block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers) Adding the removed line back to floppy.c fixes the problem. -- Ondrej Zary