Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757293Ab2EASj1 (ORCPT ); Tue, 1 May 2012 14:39:27 -0400 Received: from tex.lwn.net ([70.33.254.29]:34691 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754006Ab2EASjZ (ORCPT ); Tue, 1 May 2012 14:39:25 -0400 Date: Tue, 1 May 2012 12:39:23 -0600 From: Jonathan Corbet To: Matthew Garrett Cc: LKML , linux-bluetooth@vger.kernel.org Subject: Re: [now bisected] Weird bluetooth keyboard regression - just me? Message-ID: <20120501123923.01ac1138@lwn.net> In-Reply-To: <20120501183149.GA28536@srcf.ucam.org> References: <20120501073711.028d31d6@lwn.net> <20120501110156.2b6e0561@lwn.net> <20120501171901.GA26006@srcf.ucam.org> <20120501120145.21f65ae2@lwn.net> <20120501183149.GA28536@srcf.ucam.org> Organization: LWN.net X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.10; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2833 Lines: 86 On Tue, 1 May 2012 19:31:49 +0100 Matthew Garrett wrote: > > It's Rawhide, updated yesterday. "Removable" says "fixed". > > Ok, well that's the problem. udev is seeing "fixed" and enabling > autosuspend. Is this really bluetooth, or does it appear as a USB HID > device? Can you send lsusb -v? Whether it's really bluetooth has been an issue in the past... parts of the system have fought over it. lsusb says (on an older kernel where my keyboard works): Bus 002 Device 003: ID 046d:0b04 Logitech, Inc. Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 8 idVendor 0x046d Logitech, Inc. idProduct 0x0b04 bcdDevice 49.00 iManufacturer 1 Logitech iProduct 2 Logitech BT Mini-Receiver iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0001 1x 1 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 3 wHubCharacteristic 0x0004 Ganged power switching Compound device Ganged overcurrent protection bPwrOn2PwrGood 50 * 2 milli seconds bHubContrCurrent 100 milli Ampere DeviceRemovable 0x0c PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0103 power enable connect Port 3: 0000.0103 power enable connect Device Status: 0x0000 (Bus Powered) jon -- 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/