From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261705AbULTXyt (ORCPT ); Mon, 20 Dec 2004 18:54:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261702AbULTXyt (ORCPT ); Mon, 20 Dec 2004 18:54:49 -0500 Received: from fire.osdl.org ([65.172.181.4]:12694 "EHLO fire-1.osdl.org") by vger.kernel.org with ESMTP id S261709AbULTXon (ORCPT ); Mon, 20 Dec 2004 18:44:43 -0500 Message-ID: <41C75E8B.1020200@osdl.org> Date: Mon, 20 Dec 2004 15:21:47 -0800 From: "Randy.Dunlap" Organization: OSDL User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andrew Walrond CC: Attila BODY , linux-kernel@vger.kernel.org Subject: Re: USB storage (pendrive) problems References: <1103579679.23963.14.camel@localhost> <200412202325.20064.andrew@walrond.org> In-Reply-To: <200412202325.20064.andrew@walrond.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Walrond wrote: > 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? and which usb driver are you using? ub or usb-storage? (what's the /dev name that you mount?) -- ~Randy