The following reply was made to PR kern/30685; it has been noted by GNATS.

From: Havard Eidnes <he@uninett.no>
To: martin@duskware.de
Cc: gnats-bugs@NetBSD.org
Subject: Re: kern/30685: uplcom / ucom driver toggles DTR when instructed
 to toggle RTS
Date: Mon, 25 Jul 2005 10:13:39 +0200 (CEST)

 > > 	appears to toggle the DTR line when instructed to toggle RTS.
 >
 > Could you please try a kernel with options UPLCOM_DEBUG and then set
 > uplcomdebug to 1 at boot?
 >
 > This should output the rts and dtr changes that the driver
 > thinks it is making, so we can see if the bug is in uplcom or
 > some higher level.
 
 A cylcle triggered by ntpd prints out:
 
 uplcom_dtr: onoff=3D0
 uplcom_rts: onoff=3D1
 uplcom_dtr: onoff=3D0
 uplcom_rts: onoff=3D0
 
 So uplcom thinks it is toggling RTS, while in reality it's
 toggling DTR.
 
 Regards,
 
 - H=E5vard