From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 21 Mar 2003 15:14:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 21 Mar 2003 15:13:02 -0500 Received: from adsl-206-170-148-147.dsl.snfc21.pacbell.net ([206.170.148.147]:65028 "EHLO gw.goop.org") by vger.kernel.org with ESMTP id ; Fri, 21 Mar 2003 15:11:34 -0500 Subject: Re: [PATCH] to drivers/parport/ieee1284_ops.c to fix timing dependend From: Jeremy Fitzhardinge To: Tim Josling Cc: Linux Kernel List , Philip.Blundell@pobox.com In-Reply-To: <3E782567.3020008@melbpc.org.au> References: <3E782567.3020008@melbpc.org.au> Content-Type: text/plain Organization: Message-Id: <1048278154.6017.2.camel@ixodes.goop.org> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 Date: 21 Mar 2003 12:22:34 -0800 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2003-03-19 at 00:08, Tim Josling wrote: > I have an HP1100 printer and since I upgraded to a faster CPU the > printer has started hanging. The problem persisteed across 2.0 2.2 and > 2.4 kernel versions. I am running Red Hat Linux 8.0 on a Compaq Armada E500. > > The problem occurs intermittently. The symptom is that the 'buffer > contains data' light stays on on the printer, but data transfer stops. Ah, so that's why that happens. I've been getting the same thing with my LJ1100. Is this just in polled mode? Does using interrupts constitute a work-around for the hang? J