From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Pellegrini Subject: Re: =?utf-8?b?cGNoX2Nhbjo=?= Data transmission stops after dropped packet Date: Wed, 21 Nov 2012 21:00:02 +0000 (UTC) Message-ID: References: <50A4EA87.9020206@grandegger.com> <50A55C65.2020003@grandegger.com> <50A95FC1.3050907@grandegger.com> <50AA4FB3.7070009@grandegger.com> <50AA5EE6.6060105@grandegger.com> <50AA86DB.7000506@grandegger.com> <50AAA8C8.2080504@grandegger.com> <50ABABDE.8060503@grandegger.com> <50ABF09C.8040303@grandegger.com> <50ACABE2.2020306@grandegger.com> <50ACF9C0.8050206@grandegger.com> <50AD042B.3020305@grandegger.com> <50AD319E.2000209@grandegger.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from plane.gmane.org ([80.91.229.3]:54116 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964798Ab2KUVAQ (ORCPT ); Wed, 21 Nov 2012 16:00:16 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1TbHPE-0001mm-G4 for linux-can@vger.kernel.org; Wed, 21 Nov 2012 22:00:24 +0100 Received: from 96.45.208.254 ([96.45.208.254]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 21 Nov 2012 22:00:24 +0100 Received: from mikep86 by 96.45.208.254 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 21 Nov 2012 22:00:24 +0100 Sender: linux-can-owner@vger.kernel.org List-ID: To: linux-can@vger.kernel.org Wolfgang Grandegger grandegger.com> writes: > Hm, object 0x16 does not get handled for some reason and then the > interrupt re-occurs. Could you please try "c-can-pci-v5.tar.bz2". As > suggested by Casper. It uses a spinlock in c_can_start_xmit() and > c_can_do_tx() mainly to protect priv->tx_next. If that doesn't help, we > need a more sophisticated instrumentation and trigger. My application has been running strong for about 45 minutes and counting with this driver. I will leave the system running over Thanksgiving as a long-term test. - Mike