Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754005AbXHHKtD (ORCPT ); Wed, 8 Aug 2007 06:49:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751287AbXHHKsy (ORCPT ); Wed, 8 Aug 2007 06:48:54 -0400 Received: from main.gmane.org ([80.91.229.2]:54260 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751083AbXHHKsx (ORCPT ); Wed, 8 Aug 2007 06:48:53 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Niels Subject: Re: Problems with USB disk Date: Wed, 08 Aug 2007 12:48:29 +0200 Message-ID: References: <20070807211847.GA25391@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: 62.79.44.136.adsl.gl.tiscali.dk User-Agent: KNode/0.10.5 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1542 Lines: 43 On Tuesday 07 August 2007 23:18, Greg KH wrote: > On Tue, Aug 07, 2007 at 10:26:15PM +0200, Niels wrote: >> Hi, >> >> I'm having problems with a new 500 GB USB disk. It works, but sometimes I >> get these in dmesg: >> >> >> usb 1-3: reset high speed USB device using ehci_hcd and address 2 >> usb 5-1: USB disconnect, address 2 >> drivers/usb/class/usblp.c: usblp0: removed >> sd 0:0:0:0: Device not ready: <6>: Sense Key : 0x2 [current] >> : ASC=0x4 ASCQ=0x2 >> end_request: I/O error, dev sda, sector 254148215 >> sd 0:0:0:0: Device not ready: <6>: Sense Key : 0x2 [current] >> : ASC=0x4 ASCQ=0x2 >> end_request: I/O error, dev sda, sector 252434023 >> EXT3-fs error (device sda1): ext3_find_entry: reading directory #15761836 >> offset 0 >> >> >> There's also a printer connected. This is on a pci/usb2 card. When the >> above happens, I get I/O errors. When I mount the drive next, there are >> errors and often missing files. Quite annoying! >> >> Kernel is 2.6.21 >> >> What's going on? > > You have a low voltage issue, or a bad cable. The device is > electronically disconnecting itself. Try using a externally-powered > hub, or a new cable. > > thanks, > > greg k-h It has its own power supply. All cables are new and plugged in securely. Thank you for your answer, Niels - 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/