From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephane Grosjean Subject: Re: [PATCH v4.1] can/sja1000: add support for PEAK-System PCMCIA card Date: Fri, 17 Feb 2012 15:47:49 +0100 Message-ID: <4F3E6895.9050304@peak-system.com> References: <1329387042-4021-1-git-send-email-s.grosjean@peak-system.com> <20120217082455.GA5648@comet.dominikbrodowski.net> <4F3E1C10.8070207@peak-system.com> <4F3E1F83.8020708@pengutronix.de> <4F3E58E4.3030407@volkswagen.de> <4F3E61D7.1040208@peak-system.com> <4F3E66E5.8070201@volkswagen.de> Reply-To: Stephane Grosjean Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail.peak-system.com ([213.157.13.214]:52486 "EHLO mail.peak-system.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751589Ab2BQOsD (ORCPT ); Fri, 17 Feb 2012 09:48:03 -0500 In-Reply-To: <4F3E66E5.8070201@volkswagen.de> Sender: linux-can-owner@vger.kernel.org List-ID: To: Oliver Hartkopp Cc: Marc Kleine-Budde , Oliver Hartkopp , "linux-can@vger.kernel.org" Le 17/02/2012 15:40, Oliver Hartkopp a =E9crit : > On 17.02.2012 15:19, Stephane Grosjean wrote: >> Le 17/02/2012 14:40, Oliver Hartkopp a =E9crit : >>> >>> The only remaining issue with PEAK PCIeC is the locking warning=20 >>> about the >>> PCIeC LED timer lock (&card->led_timer) when i enable and start the= =20 >>> interface >>> under CAN load. I do have a peak_pci v5 driver here - but in v6 onl= y=20 >>> changed >>> the device_id table right? >> >> Yes, mainly. >>> >>> To get this problem you need to connect the PCIeC to a CAN bus whic= h is >>> already having CAN traffic between at least two functional nodes. >>> >> >> Does this issue always occurs, each time you configure the interface= ?.. > > No. It's exactly the first time i configure the interface from a xter= m=20 > in gnome (after making me su to do so). But only under load. > > > Especially with the "new" sja1000.ko? > > That's no difference. > > I assume there's some LED locking race at startup (e.g. try to blink=20 > fast after detecting the traffic). > Well, quite annoying: I'm not able to reproduce the issue at all, with=20 my own testbed... I'll give you feedback asap... Thanks Oliver, Regards St=E9phane -- PEAK-System Technik GmbH, Otto-Roehm-Strasse 69, D-64293 Darmstadt=20 Geschaeftsleitung: A.Gach/U.Wilhelm,St.Nr.:007/241/13586 FA Darmstadt=20 HRB-9183 Darmstadt, Ust.IdNr.:DE 202220078, WEE-Reg.-Nr.: DE39305391=20 Tel.+49 (0)6151-817320 / Fax:+49 (0)6151-817329, info@peak-system.com