FC4 USB opti-mouse goes wild

[Martin, AA6E]

I have a Logitech M-BT85 optical USB mouse (with wheel).  It works
fine with FC4 [Linux version 2.6.12-1.1447_FC4] most of the time. See
lsusb output below FWIW.

Occasionally, when I'm mousing around doing nothing special, the
cursor takes off like crazy across the screen and lands somewhere at
the edge.  Really annoying!  My mouse preferences are all set to
middle values.

Have I got a bad mouse, or do we have USB / driver problems?  Is it a
known problem? Should I declare a bug?

Thanks for any clues.

[Anil Kumar Sharma]

I have a microsoft opti mouse (low cost version - it cost me 9$ something ) 
with wheel and a usb connecter, but it is hooked to box on PS2 port using an 
adapter (came with mouse). This mouse shows random off-screen jumping. But 
this also shown dream walking (curser just starts moving slowly - always 
left) - shake it and works OK. 
However this is not fedora problem because same behavior is noted under 
(dual booting) guidos. Therefore I strongly suspect this to be a case of bad 
or low quality hardware.

On 9/2/05, Martin, AA6E  wrote:
> I have a Logitech M-BT85 optical USB mouse (with wheel). It works
> fine with FC4 [Linux version 2.6.12-1.1447_FC4] most of the time. See
> lsusb output below FWIW.
>
> Occasionally, when I'm mousing around doing nothing special, the
> cursor takes off like crazy across the screen and lands somewhere at
> the edge. Really annoying! My mouse preferences are all set to
> middle values.
>
> Have I got a bad mouse, or do we have USB / driver problems? Is it a
> known problem? Should I declare a bug?
> Thanks for any clues.
>
> [e-mail]
> http://blog.aa6e.net
>
> lsusb:
> Bus 003 Device 003: ID 046d:c03f Logitech, Inc.
> 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 0xc03f
> bcdDevice 20.00
> iManufacturer 1 Logitech
> iProduct 2 USB-PS/2 Optical Mouse
> iSerial 0
> bNumConfigurations 1
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 34
> bNumInterfaces 1
> bConfigurationValue 1
> iConfiguration 0
> bmAttributes 0xa0
> Remote Wakeup
> MaxPower 98mA
> 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 50
> 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
>
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