Re: [now bisected] Weird bluetooth keyboard regression - just me?

From: Jonathan Corbet
Date: Tue May 01 2012 - 14:39:22 EST


On Tue, 1 May 2012 19:31:49 +0100
Matthew Garrett <mjg59@xxxxxxxxxxxxx> 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
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