linux-kernel - Re: REGRESSION: 2.6.24: false double-clicks from USB mouse

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Date:	Sun, 02 Dec 2007 12:57:58 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Mark Lord <lkml@....ca>
CC:	dmitry.torokhov@...il.com, rubini@...vis.unipv.it,
	linux-input@...r.kernel.org,
	Linux Kernel <linux-kernel@...r.kernel.org>, jkosina@...e.cz,
	linux-usb@...r.kernel.org
Subject: Re: REGRESSION: 2.6.24:  false double-clicks from USB mouse

Mark Lord wrote:
> Mark Lord wrote:
>> Mark Lord wrote:
>>> I've only just recently tried running 2.6.24 on my main machine.
>>> And it appears that I'll have to go back to 2.6.23,
>>> because the USB mouse is not working correctly.
>>>
>>> Single-clicking on things with 2.6.24 very frequently gives a 
>>> "double-click".
>>> This does not happen with 2.6.23.8.
>>>
>>> I wonder what broke it?
>>>
>>> I've grabbed mousedev.c from 2.6.23 and inserted that in place
>>> of the updated 2.6.24 source, but no change.  So it's not that file.
>> ...
>>
>> Mmm.. reverting the entire drivers/hid directory to that from 2.6.23
>> seems to have fixed the problem, so we now know it's in there somewhere.
>>
>> Jiri: do you have any suggestions that might be more specific than that ?
> ..
> 
> Here's my USB mouse:
> 
> 
> Bus 005 Device 004: ID 046d:c016 Logitech, Inc. M-UV69a Optical Wheel Mouse
> Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               2.00
>  bDeviceClass            0 (Defined at Interface level)
>  bDeviceSubClass         0
>  bDeviceProtocol         0
>  bMaxPacketSize0         8
>  idVendor           0x046d Logitech, Inc.
>  idProduct          0xc016 M-UV69a Optical Wheel Mouse
>  bcdDevice            3.40
>  iManufacturer           1 Logitech
>  iProduct                2 Optical USB Mouse
>  iSerial                 0
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength           34
>    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         3 Human Interface Devices
>      bInterfaceSubClass      1 Boot Interface Subclass
>      bInterfaceProtocol      2 Mouse
>      iInterface              0
>        HID Device Descriptor:
>          bLength                 9
>          bDescriptorType        33
>          bcdHID               1.10
>          bCountryCode            0 Not supported
>          bNumDescriptors         1
>          bDescriptorType        34 Report
>          wDescriptorLength      52
>         Report Descriptors:
>           ** UNAVAILABLE **
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0004  1x 4 bytes
>        bInterval              10
> Device Status:     0x0000
>  (Bus Powered)
> 
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> 

My USB mouse recently started giving me phantom scrolls (movements of 
the mouse wheel, even I made sure the wheel was in a resting position) 
in recently kernels.  It happened too infrequently for me to care.

Bus 001 Device 004: ID 045e:0047 Microsoft Corp. IntelliMouse Explorer 3.0

My USB keyboard also occasionally loses all contact with the number pad. 
  Other keys continue to work as expected.  Unplug/replug sometimes 
helps.  Reboot /always/ fixes the issue.

Bus 001 Device 005: ID 045e:000b Microsoft Corp. Natural Keyboard Elite

USB HID is a fun place to be.

Whee...

	Jeff


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