The following reply was made to PR kern/51524; it has been noted by GNATS. From: Tom Ivar Helbekkmo <tih%hamartun.priv.no@localhost> To: gnats-bugs%netbsd.org@localhost Cc: Subject: Re: kern/51524 Date: Mon, 03 Oct 2016 18:20:20 +0200 I believe this problem has been fixed by skrll, in rev 1.114 of sys/dev/usb/ucom.c.