From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261691AbULTXdN (ORCPT ); Mon, 20 Dec 2004 18:33:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261705AbULTXaB (ORCPT ); Mon, 20 Dec 2004 18:30:01 -0500 Received: from host62-24-231-113.dsl.vispa.com ([62.24.231.113]:30113 "EHLO cenedra.walrond.org") by vger.kernel.org with ESMTP id S261678AbULTX0P (ORCPT ); Mon, 20 Dec 2004 18:26:15 -0500 From: Andrew Walrond To: Attila BODY Subject: Re: USB storage (pendrive) problems Date: Mon, 20 Dec 2004 23:25:19 +0000 User-Agent: KMail/1.7.2 Cc: linux-kernel@vger.kernel.org References: <1103579679.23963.14.camel@localhost> In-Reply-To: <1103579679.23963.14.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200412202325.20064.andrew@walrond.org> X-Spam-Score: 0.0 (/) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 20 December 2004 21:54, Attila BODY wrote: > Hi, > > I have some weird problems with my pendrives recently. I just compile a > 2.6.9 to check if the problem is still exists there. > > current kernel is 2.6.10-rc3 and the situation is the following: > > If I copy more than few megabytes to the drive, the activity LED keeps > flashing forever. sync, umount keeps runing forever, normal reboot is > inpossible (alt+sysreq+b seems to work) > > Tested with usb 1.1 and 2.0 pendrives, behaviour is the same. > I'm doing exactly that with 2.6.10-rc3. umount does take a very long time (but I had just written 600Mb+ over usb 1.1) Are you sure it doesn't come back if you leave it long enough? Do the throughput sums; you'll be suprised how long it takes to send more than a few Mb over usb 1.1 (1.5Mb/s). Eg 600Mb = 7minutes Usb 2 should be much faster; Do you have EHCI loaded? Andrew Walrond