From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262074AbULLNjn (ORCPT ); Sun, 12 Dec 2004 08:39:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262075AbULLNjn (ORCPT ); Sun, 12 Dec 2004 08:39:43 -0500 Received: from mail.gmx.net ([213.165.64.20]:47554 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S262074AbULLNi3 (ORCPT ); Sun, 12 Dec 2004 08:38:29 -0500 X-Authenticated: #3340650 Subject: Re: [<02282da7>] (usb_hcd_irq+0x0/0x4b) Disabling IRQ #5 - USB Devices do not work From: Florian Krammel To: Alan Cox , Kernel-list In-Reply-To: <1102503828.23635.1.camel@localhost.localdomain> References: <1102333735.5095.4.camel@orange-bud> <1102339694.13485.26.camel@localhost.localdomain> <1102450409.7531.10.camel@orange-bud> <1102452729.7531.29.camel@orange-bud> <1102503828.23635.1.camel@localhost.localdomain> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-7VgmpjXwzXjIqSZSntIN" Date: Sun, 12 Dec 2004 14:38:26 +0100 Message-Id: <1102858706.9524.4.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 --=-7VgmpjXwzXjIqSZSntIN Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Am Mittwoch, den 08.12.2004, 11:03 +0000 schrieb Alan Cox: > On Maw, 2004-12-07 at 20:52, Florian Krammel wrote: > > > > Ditto, and this is quite possibly the root cause. That suggests the= BIOS > > > > handover code for EHCI is insufficient for some cases (and it appea= rs to > > > > be looking at the code quickly - it should register IRQ 5 before do= ing a > > > > handover which it does but it probably needs to just ack and mask I= RQ 5 > > > > during the handover. It could be another device breaking IRQ5 howev= er) > > > >=20 > > > >=20 > > > > What occurs if you build a kernel with EHCI disabled, ditto what oc= curs > > > > if you boot with init=3D/bin/sh and then load ohci before ehci ? > >=20 > > I don't tested this because "irqpoll" solve my problem. Are you > > interested in the result? I can try it. >=20 > I would be very interested to know if this makes a difference yes today I've tested this and there is no difference... maybe it is the unsopported ATI chip? =20 --=-7VgmpjXwzXjIqSZSntIN 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) iD8DBQBBvEnRm9XQAcbR/eIRApXQAJ9S5NXq6P1T7soFXeV1zBWlhH3fggCeNGu6 8NlNxN5pT03WM7Y4Z0V8mWo= =lKyB -----END PGP SIGNATURE----- --=-7VgmpjXwzXjIqSZSntIN--