From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Max S." Subject: Re: write: No buffer space available Date: Fri, 08 Mar 2013 10:39:34 +0000 Message-ID: <1362739174.3296.2.camel@blackbox> References: <5138C20B.1070306@hartkopp.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail.schneidersoft.net ([173.45.248.65]:35217 "EHLO mail.schneidersoft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932759Ab3CHKo4 (ORCPT ); Fri, 8 Mar 2013 05:44:56 -0500 In-Reply-To: Sender: linux-can-owner@vger.kernel.org List-ID: To: Michael =?ISO-8859-1?Q?Th=E9nault?= Cc: Oliver Hartkopp , linux-can@vger.kernel.org Hello, On Fri, 2013-03-08 at 11:24 +0100, Michael Th=C3=A9nault wrote: > Hello, >=20 > Indeed after connecting the arm board to a termination, I'm able to > see traffic with the oscilloscope. > I noticed that after sending only one frame with cansend, I see > traffic all the time with the oscilloscope. I guess that the reason i= s > the lack of ACK frames coming from other nodes, which causes re-sends= =2E Yes. If there is no other node to ack the frame, the can controller wil= l resend the frame continuously. unless, i think, if you set it up to use oneshot mode. M.S.