Re: kern/46225: printing to /dev/lpt0 hangs in lptwrite(), probably lptwrite2

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/46225; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/46225: printing to /dev/lpt0 hangs in lptwrite(), probably
 lptwrite2
Date: Mon, 19 Mar 2012 03:51:06 +0000

 On Mon, Mar 19, 2012 at 03:45:00AM +0000, Petar Bogdanovic wrote:
  >     Since upgrading from 5.99.54 to 6.0_BETA, my parallel printer
  >     stopped working.  A process writing to /dev/lpt0 (cups or cat)
  >     ends up waiting forever in lptwrite(), probably lptwrite2.
  > 
  >     $ ident /netbsd-5.99.54 | grep lpt
  >          $NetBSD: lpt.c,v 1.78 2009/11/25 14:28:50 rmind Exp $
  >          $NetBSD: lpt_isa.c,v 1.68 2009/11/23 02:13:47 rmind Exp $
  >          $NetBSD: lpt_puc.c,v 1.14 2008/03/07 17:15:52 cube Exp $
  >          $NetBSD: ulpt.c,v 1.86 2011/03/29 07:48:13 mbalmer Exp $
  > 
  >     $ ident /netbsd-6.0_BETA | grep lpt
  >          $NetBSD: lpt.c,v 1.78 2009/11/25 14:28:50 rmind Exp $
  >          $NetBSD: lpt_isa.c,v 1.68 2009/11/23 02:13:47 rmind Exp $
  >          $NetBSD: lpt_puc.c,v 1.14 2008/03/07 17:15:52 cube Exp $
  >          $NetBSD: ulpt.c,v 1.88 2011/12/23 00:51:47 jakllsch Exp $
 
 How is lpt0 attached? isa? Or is it an ulpt?
 
 It's somewhat odd that it would stop working without being changed...
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost