Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760031Ab2BJTp6 (ORCPT ); Fri, 10 Feb 2012 14:45:58 -0500 Received: from oproxy9.bluehost.com ([69.89.24.6]:57369 "HELO oproxy9.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1759958Ab2BJTp4 (ORCPT ); Fri, 10 Feb 2012 14:45:56 -0500 Date: Fri, 10 Feb 2012 11:45:52 -0800 From: Jesse Barnes To: Thomas Jarosch Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Charlie Suffin , stable@kernel.org Subject: Re: [PATCH] pci: Add quirk for still enabled interrupts on Intel Sandy Bridge GPUs Message-ID: <20120210114552.5ff66007@jbarnes-desktop> In-Reply-To: <4EDFD5BB.1050906@intra2net.com> References: <4EDFD5BB.1050906@intra2net.com> X-Mailer: Claws Mail 3.7.6 (GTK+ 2.22.0; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/CmlYTlKKLRX8kRasUrXYd9F"; protocol="application/pgp-signature" X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.161.37.189 authed with jbarnes@virtuousgeek.org} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2109 Lines: 52 --Sig_/CmlYTlKKLRX8kRasUrXYd9F Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 07 Dec 2011 22:08:11 +0100 Thomas Jarosch wrote: > Some BIOS implementations leave the Intel GPU interrupts enabled, > even though no one is handling them (f.e. i915 driver is never loaded). > Additionally the interrupt destination is not set up properly > and the interrupt ends up -somewhere-. >=20 > These spurious interrupts are "sticky" and the kernel disables > the (shared) interrupt line after 100.000+ generated interrupts. >=20 > Fix it by disabling the still enabled interrupts. > This resolves crashes often seen on monitor unplug. Applied to my -next branch finally (sorry I missed your last reply), thanks Thomas. --=20 Jesse Barnes, Intel Open Source Technology Center --Sig_/CmlYTlKKLRX8kRasUrXYd9F Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBAgAGBQJPNXPwAAoJEIEoDkX4Qk9hie8QAJR1bepheYAePbieLOAKuUDM 5aUny3br9STY+eUcsdw4Wqqt/Cjp8qV8flFffN/8Wv1mDQxb32EYUCI/OE8s+Wzd jIBcUwHA+N6TVBLM/BW3XcGL3kIWoEYlz636BYqqipQlNFQ/XQzyxSeceqKlwurU DQO/NlNADrM8vedz7hmwLR+9lm9vI0rRX6cudSmqi5PECwBSBEeNLhq0LKHjWboX iuXCVfog8qd6dLh2feRA6t+zEwM8xm9pFOQjr/3ja4r0o5yBPadccQFt+buBGkqQ 86QGo5HJDBBuwjT1/rkc9/CDDh7Xga2p+M9yDf5ukh/5/atNp2AeYATI3QgPif4A okeaXkasZ2TLXkmb1gpcGs7KLcvf9mfmyZYBnB4H2E5ydlfdY/bF3i4vuXZBL4ST hwcyWnqVE0rgfkBpnsx7n97qT2qHuvyV7jCVXTZH86XFjrDTtyD2lyoWt2T52AmN 0agWRw/2XTqKsQ6CsYeCzWYW2sPjMnSLLCr5KrV1vaHqLLn1qZDi234Wi8u1oK6e 6L40sCXc5pzHS2stY1k9o3v30LgH1bR5EkePxj8FMMC4ZBVcqk0yMVOIahqLGjGe YvddFj4gs3dLzJm7utHSzuzDMzPoot8J6gqkBu/DwkmE9USKYE/Rf/BuyBuLDObi CUMgx7M6pExWB+n/WbVM =evjv -----END PGP SIGNATURE----- --Sig_/CmlYTlKKLRX8kRasUrXYd9F-- -- 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/