From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Kleine-Budde Subject: Re: candump error flags Date: Fri, 07 Nov 2014 15:30:13 +0100 Message-ID: <545CD775.1030200@pengutronix.de> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="4TmqkAdnOiBfVIGPS0Dpjj0GBPO8WTeJQ" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:34822 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751579AbaKGOaZ (ORCPT ); Fri, 7 Nov 2014 09:30:25 -0500 In-Reply-To: Sender: linux-can-owner@vger.kernel.org List-ID: To: Paul Lever , linux-can@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --4TmqkAdnOiBfVIGPS0Dpjj0GBPO8WTeJQ Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 11/07/2014 02:57 PM, Paul Lever wrote: > I'm trying to use the candump -e and -d options to catch errors. I > know that frames are being dropped, as I can see missing packets in > known sequences, yet I never see anything printed from candump > indicating any errors or dropped packets. Is there additional steps > needed to get output from -e/-d options? This is on a Beaglebone Black > platform. > My cmd line is: > candump -t a -e -d -r 16000 can0 > /media/testdata.raw& Make sure you're running a recent new kernel (v3.15 or better) as a lot of fixes went into the driver. Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de | --4TmqkAdnOiBfVIGPS0Dpjj0GBPO8WTeJQ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUXNd1AAoJECte4hHFiupUgaIQAKIvT2rDiEORcKqSO8TK5Xn5 1Vtfi93H2oNnPjOR9ABwOAO8dzRm0aWndfVp7JKGcvYaoY3A3xr4aEn6XKt0vpRt 8VxZGkbpDvJoubEnwQ+Iry7un3RTAp/LoM8uVAXem2Sgg55jAZ2tkp22gkGdbbQS Xi9JkXJW09plCVB4j6TInpcx/mNFqUCqx37Hy/hby4JuZdLJJYbVycwnf4BM1ZMk RvDan48TmbdSXuIaRZ6FXqH+aI8lBeYNPF9GMuv9VVOEw354l3KNEpW6bZ5Ulujz HM7lq91M18QEshi3Tv3wzX8Wa4AHgQmrYLNbWBwbS0d6Wn5wWgonQ5Sqn7zruUQW 7psRuUFb2PNegIPMv4wCMybS7oolTGmcHW3GI92Almh4JF5RTkcXglntAljcThyx zkgJvDpx6KXJDttmsYxVWxQpnYAGlOpt7pUsUcKMBu2FtZj6fVa277159c0gLsAt QLsW5FfVRThMaupjgzNGdAuBBiEuedoSwPTqAXSyfIUNBte2i9X1Jd83ZgfcU7mf pYi4AShpCW9ZKStYAJMKCOsB7HJf0F+VcuJ24WqB6yJ9tiwLSX3cJLwN4r+s28k8 /3waBIqTXCHahw8V3F7qo6ogVoxNdqYUesMl6vwvGre9lc5D6iKRhFZBmezMh6R5 lmOH3kkbERxux3tiRnGV =ucC8 -----END PGP SIGNATURE----- --4TmqkAdnOiBfVIGPS0Dpjj0GBPO8WTeJQ--