Re: [2.4.21-rc1] USB Trackball broken

[Greg KH <greg@kroah.com>]

On Wed, Apr 23, 2003 at 12:30:24PM -0500, David van Hoose wrote:
> Greg KH wrote:
> >On Wed, Apr 23, 2003 at 11:54:48AM -0500, David van Hoose wrote:
> >
> >>I am running RedHat 9. Trackball is detected and works when using the 
> >>stock 2.4.20-9 kernel that RedHat provided.
> >>
> >>With 2.4.21-rc1, I have included the USB and input devices in the 
> >>kernel, as modules, and as various combinations in between. My USB 
> >>Logitech Trackball shows up as being detected and setup, but it doesn't 
> >>work. Attached is my config and a trimmed down dmesg. (ppa is messed up 
> >>and floods me with messages)
> >>I have USB vebose debugging turned on. That may help. Please let me know 
> >>what information you might need in addition.
> >
> >
> >Is this trackball plugged into a USB 2.0 hub or controller?
> >
> >If you cat /dev/input/mice and move the trackball around, do you get
> >data?
> 
> Under the RedHat kernel, I get data.
> Under the 2.4.21-rc1 kernel, I get nothing.

Again, is this device plugged into a hub?  Or directly into the
controller's root hub?  It looks like the device keeps getting
disconnected and reconnected, based on the kernel log you posted.

thanks,

greg k-h