From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261892AbULGVBs (ORCPT ); Tue, 7 Dec 2004 16:01:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261895AbULGVBr (ORCPT ); Tue, 7 Dec 2004 16:01:47 -0500 Received: from mail.gmx.de ([213.165.64.20]:39854 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S261892AbULGVBR (ORCPT ); Tue, 7 Dec 2004 16:01:17 -0500 X-Authenticated: #3340650 Subject: Re: [<02282da7>] (usb_hcd_irq+0x0/0x4b) Disabling IRQ #5 - USB Devices do not work From: Florian Krammel To: Kernel-list In-Reply-To: <1102450409.7531.10.camel@orange-bud> References: <1102333735.5095.4.camel@orange-bud> <1102339694.13485.26.camel@localhost.localdomain> <1102450409.7531.10.camel@orange-bud> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-yCmHQkHtMi338+fnSWKW" Date: Tue, 07 Dec 2004 21:52:09 +0100 Message-Id: <1102452729.7531.29.camel@orange-bud> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-3) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-yCmHQkHtMi338+fnSWKW Content-Type: text/plain Content-Transfer-Encoding: quoted-printable > > What chipset is the motherboard ? I don't know, I don't have the motherboard manuals. How can I get this information via software? > > Windows XP and Linux may well hit the same problems with USB. really? ;) > > The latest FC3 kernel should have new enough -ac patches to run on boxe= s > > with > > totally broken BIOS IRQ routing. Try the boot option "irqpoll" this is great, thank you! I get the error message but everything works > > Ditto, and this is quite possibly the root cause. That suggests the BIO= S > > handover code for EHCI is insufficient for some cases (and it appears t= o > > be looking at the code quickly - it should register IRQ 5 before doing = a > > handover which it does but it probably needs to just ack and mask IRQ 5 > > during the handover. It could be another device breaking IRQ5 however) > >=20 > >=20 > > What occurs if you build a kernel with EHCI disabled, ditto what occurs > > if you boot with init=3D/bin/sh and then load ohci before ehci ? I don't tested this because "irqpoll" solve my problem. Are you interested in the result? I can try it. thank you for help... mfg florian --=20 Florian Krammel --=-yCmHQkHtMi338+fnSWKW Content-Type: application/pgp-signature; name=signature.asc Content-Description: Dies ist ein digital signierter Nachrichtenteil -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (GNU/Linux) iD8DBQBBthf4m9XQAcbR/eIRAgjeAJ90BZn4HLhLlDngCzafSzuHabfdSgCfSJML q3OYkLsU7CB19cxTpuP3Myk= =3bR3 -----END PGP SIGNATURE----- --=-yCmHQkHtMi338+fnSWKW--