On Wed, Sep 16, 2015 at 07:31:55PM +0800, Paul Goyette wrote:
 > I've recently noticed something very strange...
 > 
 > On my NetBSD-7.99.21/amd64 system, whenever I am running in single-user
 > mode, I get the following sequence of messages on the console, repeating at
 > roughly 55-second intervals:
 > 
 >      wsmouse0: detached
 >      ums0: detached
 >      uhidev2: detached
 >      uhidev2: at uhub3 port 6 (addr 4) disconnected
 >      <2-second pause>
 >      uhidev2 at uhub3 port 6 configuration 1 interface 0
 >      uhidev2: PixArt USB Optical Mouse, rev 2.00/1.00, addr 4, iclass 3/1
 >      ums0 at uhidev2: 3 buttons and Z dir
 >      wsmouse0 at ums0 mux 0
 > 
 > This happens if I boot single-user, or if I shut-down.  I have not yet
 > checked to see if it happens in multi-user mode but without xdm ...
 > 
 > Has anyone else seen anything similar?

Yes; PR 48441 has my report of the same behavior from a Logitech
mouse.

For lack of other evidence I've been assuming it's a hardware
workaround for some Windows issue. However, it would be nice if we
could figure out how to make it not happen.

-- 
David A. Holland
[email protected]

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