From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932392AbWDGIsT (ORCPT ); Fri, 7 Apr 2006 04:48:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932390AbWDGIsT (ORCPT ); Fri, 7 Apr 2006 04:48:19 -0400 Received: from embla.aitel.hist.no ([158.38.50.22]:20197 "HELO embla.aitel.hist.no") by vger.kernel.org with SMTP id S932392AbWDGIsR (ORCPT ); Fri, 7 Apr 2006 04:48:17 -0400 Message-ID: <4436271B.4020808@aitel.hist.no> Date: Fri, 07 Apr 2006 10:47:23 +0200 From: Helge Hafting User-Agent: Debian Thunderbird 1.0.7 (X11/20051017) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jan Kara CC: Helge Hafting , linux-kernel@vger.kernel.org Subject: Re: Hanging ext3 or USB, linux 2.6.16-rc6-mm2 References: <20060327210514.GA24421@aitel.hist.no> <20060406184712.GA5458@atrey.karlin.mff.cuni.cz> In-Reply-To: <20060406184712.GA5458@atrey.karlin.mff.cuni.cz> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jan Kara wrote: >>Could this be a ext3 problem due to the small journal or something? >> >>Or is a usb problem more likely? "Dmesg" shows an >>usb disconnect sometime after I mounted that filesystem, >>but it seems to be usblp0 which looks like the printer to me. >> >> > I'd guess it is some USB/block layer problem. If just ext3 hung, then >you would not see [usb-storage] and similar hung. I would need to see >where each process hung to tell more.. > You are right, it is block layer for I have seen problems with vfat formatted compactflash too now. On my home machine, the problems are intermittent. The hang can happen after writing almost one GB, or it can happen early, in "mount" I also have a via epia board that consistently fails to use its compactflash reader, but that one is cardbus, not usb. Helge Hafting