Keeping /dev/input/mice around?

Matt Zimmerman mdz at canonical.com
Wed Sep 1 17:26:38 CDT 2004


On Thu, Sep 02, 2004 at 08:16:24AM +1000, Jeff Waugh wrote:

> <quote who="Matt Zimmerman">
> 
> > It's staying around, but when you open it, do you get a device which never
> > outputs any events, or an error?
> 
> It never outputs events -> the kernel aggregates input into /dev/input/mice,
> so without any devices providing input, it's just silent.

Hmm, maybe there's something to this.  Try this:

- boot without mouse connected
- modprobe mousedev # the input layer driver
- cat /dev/input/mice

Do you get a blocking read, or an error?  If a blocking read, do you then
get mouse events when you plug in a mouse?

-- 
 - mdz




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