From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932880AbZHDPcx (ORCPT ); Tue, 4 Aug 2009 11:32:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755639AbZHDPcw (ORCPT ); Tue, 4 Aug 2009 11:32:52 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:45024 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755630AbZHDPcu convert rfc822-to-8bit (ORCPT ); Tue, 4 Aug 2009 11:32:50 -0400 From: Juergen Beisert Organization: Pengutronix - Linux Solutions for Science and Industry To: linux-kernel@vger.kernel.org Date: Tue, 4 Aug 2009 17:32:40 +0200 User-Agent: KMail/1.9.9 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200908041732.40215.jbe@pengutronix.de> X-SA-Exim-Connect-IP: 92.198.50.58 X-SA-Exim-Mail-From: jbe@pengutronix.de Subject: Re: Is anyone maintaining (or even using) usbtmc? X-SA-Exim-Version: 4.2.1 (built Tue, 09 Jan 2007 17:23:22 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Dienstag, 4. August 2009, Andrew Lutomirski wrote: > On Mon, Aug 3, 2009 at 6:01 PM, Andrew Lutomirski wrote: > > On Mon, Aug 3, 2009 at 5:49 PM, Andrew Lutomirski wrote: > >> On Mon, Aug 3, 2009 at 5:20 PM, Greg KH wrote: > >>> On Mon, Aug 03, 2009 at 05:14:56PM -0400, Andrew Lutomirski wrote: > >>>> Hi all- > >>>> > >>>> I'm trying to use usbtmc on an Aglient N9310A (The only TMC device I > >>>> have), and it sort of works, but it seems to be both extremely buggy > >>>> and missing a good deal of rather important functionality.  Is there > >>>> anyone maintaining it? > >>> > >>> Yes, me. > >>> > >>>> If the answer is yes, I can describe the bugs (logspam, spurious > >>>> errors, delayed messages, inability to read status, etc.) in greater > >>>> detail. > >>> > >>> Please do, but also please use the latest version, in 2.6.30.3, we > >>> fixed some bad problems in it recently. > >> > >> I am. > >> > >> Almost anything I do triggers this: > >> > >> usbtmc 3-1:1.0: Unable to read data, error -110 > > My N9310A is now totally wedged. Anything I can think of doing (send > queries, send *RST, or any of the CLEAR ioctls) fails and spews stuff > like this: > > [360946.881771] usbtmc 3-1:1.0: Unable to send data, error -110 > [360946.890770] usbtmc 3-1:1.0: usb_bulk_msg returned -110 > [360965.303400] usb 3-1: usb_control_msg returned -110 > [360965.312404] usb 3-1: usb_control_msg returned -110 > [361052.364626] usbtmc 3-1:1.0: usb_bulk_msg returned -110 > [361055.114579] usbtmc 3-1:1.0: Unable to send data, error -110 > [361055.123574] usbtmc 3-1:1.0: usb_bulk_msg returned -110 > > I'm going to leave it like this in case you want me to try something. Could I help also with tests? I have a Tektronix TDS 1001B here with TMC capability. Juergen -- Pengutronix e.K. | Juergen Beisert | Linux Solutions for Science and Industry | Phone: +49-8766-939 228 | Vertretung Sued/Muenchen, Germany | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de/ |