From owner-freebsd-usb@FreeBSD.ORG Tue Sep 17 08:43:33 2013 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 3D738F69; Tue, 17 Sep 2013 08:43:33 +0000 (UTC) (envelope-from h.schmalzbauer@omnilan.de) Received: from s1.omnilan.de (s1.omnilan.de [217.91.127.234]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 9CF3B257B; Tue, 17 Sep 2013 08:43:32 +0000 (UTC) Received: from titan.inop.wdn.omnilan.net (titan.inop.wdn.omnilan.net [172.21.3.1]) (authenticated bits=0) by s1.omnilan.de (8.13.8/8.13.8) with ESMTP id r8H8hQmM095201 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 17 Sep 2013 10:43:26 +0200 (CEST) (envelope-from h.schmalzbauer@omnilan.de) Message-ID: <5238162D.1090901@omnilan.de> Date: Tue, 17 Sep 2013 10:43:25 +0200 From: Harald Schmalzbauer Organization: OmniLAN User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; de-DE; rv:1.9.2.8) Gecko/20100906 Lightning/1.0b2 Thunderbird/3.1.2 MIME-Version: 1.0 To: Hans Petter Selasky Subject: Re: umcs (4-Port-USB-serial) triggering way too much ehci IRQs References: <52372DBA.6020703@omnilan.de> In-Reply-To: X-Enigmail-Version: 1.1.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig5173D5AAC6721FC1722D7ACE" Cc: "lev@FreeBSD.org" , FreeBSD Stable , "freebsd-usb@freebsd.org" X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Sep 2013 08:43:33 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig5173D5AAC6721FC1722D7ACE Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Bez=C3=BCglich Hans Petter Selasky's Nachricht vom 17.09.2013 07:14 (localtime): > Hi, > > Check using usbdump -i usbusX -f Y -s 65536 -vvv > > what is going on. Maybe some USB transfers are returning zero length da= ta from the chip. Thanks for your help! I can't really read the numbers, but these 4 actions look all the time, whe no connection is open: 08:39:19.889658 usbus1.4 SUBM-INTR-EP=3D00000089,SPD=3DHIGH,NFR=3D1,SLEN=3D= 0,IVAL=3D2 frame[0] READ 16 bytes flags 0xa status 0xcb023 08:39:19.891655 usbus1.4 DONE-INTR-EP=3D00000089,SPD=3DHIGH,NFR=3D1,SLEN=3D8,IVAL=3D2,ERR=3D0 frame[0] READ 5 bytes 0000 C1 C1 C1 01 55 -- -- -- -- -- -- -- -- -- -- -- |....U = | flags 0xa status 0xeb021 08:39:19.891658 usbus1.4 SUBM-INTR-EP=3D00000089,SPD=3DHIGH,NFR=3D1,SLEN=3D= 0,IVAL=3D2 frame[0] READ 16 bytes flags 0xa status 0xeb023 08:39:19.893656 usbus1.4 DONE-INTR-EP=3D00000089,SPD=3DHIGH,NFR=3D1,SLEN=3D8,IVAL=3D2,ERR=3D0 frame[0] READ 5 bytes 0000 C1 C1 C1 01 55 -- -- -- -- -- -- -- -- -- -- -- |....U = | flags 0xa status 0xcb021 Thanks, -Harry --------------enig5173D5AAC6721FC1722D7ACE Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAlI4Fi0ACgkQLDqVQ9VXb8gbQwCdH8yS3AbxHEUuxMfNF6m/C0+Q +7MAnA6SLl1wiJf7aokpGLdTXAhpgJle =DR7P -----END PGP SIGNATURE----- --------------enig5173D5AAC6721FC1722D7ACE--