On Mon, May 01, 2000 at 02:48:38PM -0400, Lars Kellogg-Stedman wrote:
> I'd like to configure a laptop to work a USB mouse that is only
> occasionally (i.e., when the laptop is in the office) attached. The
> problem I'm running into is that when the mouse is unplugged, programs
> (such as gpm or X) that attempt to open the mouse device fail.
>
> Is there any way to tell the USB subsystem (the backport patch from
> 2.3.99pre6, applied to 2.2.15pre20) to leave the mouse driver connected,
> even when the mouse has been unplugged? It seems like this would solve
> most of the problems I've run into.
>
> If user space configuration matters: I'm using gpm in 'repeater' mode
> (with input from both the trackpad and the USB mouse) , and have X pointing
> at /dev/gpmdata.
>
> I suppose an alternate solution would be to hack gpm such that it can
> handle a missing device by periodically polling the device file.
>
> Has anyone else solved this problem in a graceful manner?
Yes, just point gpm or X or both to /dev/input/mice, char 13:63.
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