From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Grandegger Subject: Re: pch_can: Data transmission stops after dropped packet Date: Wed, 21 Nov 2012 16:56:48 +0100 Message-ID: <50ACF9C0.8050206@grandegger.com> References: <50A4972A.9070707@hartkopp.net> <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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from ngcobalt02.manitu.net ([217.11.48.102]:46977 "EHLO ngcobalt02.manitu.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755005Ab2KUP4v (ORCPT ); Wed, 21 Nov 2012 10:56:51 -0500 In-Reply-To: Sender: linux-can-owner@vger.kernel.org List-ID: To: Michael Pellegrini Cc: linux-can@vger.kernel.org On 11/21/2012 04:25 PM, Michael Pellegrini wrote: > Michael Pellegrini gmail.com> writes: > >> This driver is working very well so far. ifconfig shows that I am sending and >> receiving CAN messages successfully. This is confirmed externally by the CAN >> Monitor system. >> >> I will start a more intensive test now and report the results. > > I shouldn't have spoken so soon. Running my application on the PCH-System > caused the original problem within minutes. Message transmission stopped > and and my application started printing the error "No buffer space available". > The only way to recover was to reset the interface. OK, at least we have reached the level of the PHC_CAN driver. The driver does print some debug messages. Could you show them? Wolfgang.