Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264145AbUARVyN (ORCPT ); Sun, 18 Jan 2004 16:54:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264147AbUARVyN (ORCPT ); Sun, 18 Jan 2004 16:54:13 -0500 Received: from ms-smtp-02-qfe0.nyroc.rr.com ([24.24.2.56]:31979 "EHLO ms-smtp-02.nyroc.rr.com") by vger.kernel.org with ESMTP id S264145AbUARVyL (ORCPT ); Sun, 18 Jan 2004 16:54:11 -0500 Date: Sun, 18 Jan 2004 16:53:52 -0500 To: linux-kernel@vger.kernel.org, Natalia Portillo Subject: Re: Bug report on UHCI driver. Message-ID: <20040118215352.GA1678@andromeda> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="J/dobhs11T7y2rNN" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.5.1+cvs20040105i From: Justin Pryzby Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1657 Lines: 51 --J/dobhs11T7y2rNN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable I get the same thing while trying to write a driver for a USB webcam. The webcam works fine until this happens. Rebooting doesn't fix the problem. Justin On Sun, Jan 18, 2004 at 08:34:35PM +0000, Natalia Portillo wrote: > Dear Kernel Developers. >=20 > This is the bug I'm getting with kernels 2.4.20-xfs-r3, 2.4.23-aa1 and=20 > 2.6.0-test5 (hardware information at bottom). >=20 > It seems to be a problem of IRQ conflict. > USB works perfectly, but, suddenly, it stops working and dmesg starts=20 > saying (and doesn't stop until reboot) the following: > "drivers/usb/host/uhci-hcd.c: cc00: host controller halted. very bad" >=20 > It happens after a random working time. I observed this time is less if= =20 > I remove the nVidia graphics card and substitute it for an 3Dfx one=20 > (the second one doesn't use an IRQ). > It also seems to happen faster in 2.4 kernels. >=20 > Regards, > Natalia Portillo :CLIP: --J/dobhs11T7y2rNN Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFACwBwh7yD3l4ITTYRAgTvAJ9aAbFHxFstzTptBWi4WLHswJM5vgCdE8An HX+8vR2BYb1pdDAUhJkthHw= =JFtc -----END PGP SIGNATURE----- --J/dobhs11T7y2rNN-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/