Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754896AbXLNFcw (ORCPT ); Fri, 14 Dec 2007 00:32:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752202AbXLNFcn (ORCPT ); Fri, 14 Dec 2007 00:32:43 -0500 Received: from wr-out-0506.google.com ([64.233.184.230]:28083 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752156AbXLNFcl (ORCPT ); Fri, 14 Dec 2007 00:32:41 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=H3inT2u4kQU68sjEF77Yi2jV9bIetBPSSenaAbxn2FJn3P+Z5fQsYM67h74dPeQdBFRMJgPuCpFhSuKDzoz8b5vqxPOd18tLIn3Ls8LUYqH6XG4GqxjoS4ifN//GJHbosKb5ZLNMh3Dp68HmUlhMNvxPmqvdHxYA6d0kfHPIwoc= Message-ID: Date: Fri, 14 Dec 2007 13:32:40 +0800 From: "Dave Young" To: "Andrew Morton" Subject: Re: 2.6.24-rc5-mm1 Cc: linux-kernel@vger.kernel.org, mdharm-usb@one-eyed-alien.net, gregkh@suse.de, linux-usb@vger.kernel.org, usb-storage@lists.one-eyed-alien.net In-Reply-To: <20071213024050.7d6e5f3e.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20071213024050.7d6e5f3e.akpm@linux-foundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2901 Lines: 76 Hi, The behaviour of my mp3 player (also act as usb-storage device) seems changed from rc5 to rc5-mm1. : ========= usb 1-7: new high speed USB device using ehci_hcd and address 7 usb 1-7: configuration #1 chosen from 1 choice scsi4 : SCSI emulation for USB Mass Storage devices usb-storage: device found at 7 usb-storage: waiting for device to settle before scanning scsi 4:0:0:0: Direct-Access Newman mp3 PQ: 0 ANSI: 0 CCS sd 4:0:0:0: [sdb] 245248 512-byte hardware sectors (126 MB) sd 4:0:0:0: [sdb] Write Protect is on sd 4:0:0:0: [sdb] Mode Sense: 03 00 80 00 sd 4:0:0:0: [sdb] Assuming drive cache: write through sd 4:0:0:0: [sdb] 245248 512-byte hardware sectors (126 MB) sd 4:0:0:0: [sdb] Write Protect is on sd 4:0:0:0: [sdb] Mode Sense: 03 00 80 00 sd 4:0:0:0: [sdb] Assuming drive cache: write through sdb: sdb1 sd 4:0:0:0: [sdb] Attached SCSI removable disk sd 4:0:0:0: Attached scsi generic sg1 type 0 usb-storage: device scan complete ========== try mount it (or just blockdev --rereadpt), then write protect become off: ========== sd 4:0:0:0: [sdb] 245248 512-byte hardware sectors (126 MB) sd 4:0:0:0: [sdb] Write Protect is off sd 4:0:0:0: [sdb] Mode Sense: 03 00 00 00 sd 4:0:0:0: [sdb] Assuming drive cache: write through sd 4:0:0:0: [sdb] 245248 512-byte hardware sectors (126 MB) sd 4:0:0:0: [sdb] Write Protect is off sd 4:0:0:0: [sdb] Mode Sense: 03 00 00 00 sd 4:0:0:0: [sdb] Assuming drive cache: write through sdb: sdb1 But under rc5-mm1, after mount command being executed, it is just mouted as read only partition without set the write-protect to off I tried "blockdev --rereadpt", it do set the write-protect to off as rc5 kernel. Below is the output of dmesg under rc5-mm1 ========== usb 1-8: new high speed USB device using ehci_hcd and address 6 usb 1-8: configuration #1 chosen from 1 choice scsi3 : SCSI emulation for USB Mass Storage devices usb-storage: device found at 6 usb-storage: waiting for device to settle before scanning scsi 3:0:0:0: Direct-Access Newman mp3 PQ: 0 ANSI: 0 CCS sd 3:0:0:0: [sdb] 245248 512-byte hardware sectors (126 MB) sd 3:0:0:0: [sdb] Write Protect is on sd 3:0:0:0: [sdb] Mode Sense: 03 00 80 00 sd 3:0:0:0: [sdb] Assuming drive cache: write through sd 3:0:0:0: [sdb] 245248 512-byte hardware sectors (126 MB) sd 3:0:0:0: [sdb] Write Protect is on sd 3:0:0:0: [sdb] Mode Sense: 03 00 80 00 sd 3:0:0:0: [sdb] Assuming drive cache: write through sdb: sdb1 Regards dave sd 3:0:0:0: [sdb] Attached SCSI removable disk sd 3:0:0:0: Attached scsi generic sg1 type 0 usb-storage: device scan complete Regards dave -- 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/