Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755264AbZKWPF7 (ORCPT ); Mon, 23 Nov 2009 10:05:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754257AbZKWPF6 (ORCPT ); Mon, 23 Nov 2009 10:05:58 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:42330 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752246AbZKWPF5 (ORCPT ); Mon, 23 Nov 2009 10:05:57 -0500 Date: Mon, 23 Nov 2009 10:06:03 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Jan Kara cc: tmhikaru@gmail.com, , , Jens Axboe , , Subject: Re: Weird I/O errors with USB hard drive not remounting filesystem readonly In-Reply-To: <20091123105440.GB15679@duck.suse.cz> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 830 Lines: 19 On Mon, 23 Nov 2009, Jan Kara wrote: > Yeah, from what you write, it looks like USB enclosure is at fault (or it > could still be your USB controller but I doubt it). It's still a bit > bothering that the error reported by the drive was not properly propagated > up to VFS. Either it's some block layer retry/ignore magic that I missed or > we ignore errors from block layer in some place. Is there any interest in tracking this down? It's not hard to find out what low-level errors are being reported and to generate them on demand with an emulated USB disk drive. Alan Stern -- 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/