From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754097Ab0CVPeb (ORCPT ); Mon, 22 Mar 2010 11:34:31 -0400 Received: from gabe.freedesktop.org ([131.252.210.177]:59469 "EHLO gabe.freedesktop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753378Ab0CVPea (ORCPT ); Mon, 22 Mar 2010 11:34:30 -0400 From: Eric Anholt To: Karl Vogel Cc: linux-kernel@vger.kernel.org Subject: Re: i915 lockup / extreme delay In-Reply-To: References: <87wrx5m1h3.fsf@pollan.anholt.net> Date: Mon, 22 Mar 2010 08:34:21 -0700 Message-ID: <87634oid4y.fsf@pollan.anholt.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Mon, 22 Mar 2010 09:11:06 +0100, Karl Vogel wrote: > On Mon, Mar 22, 2010 at 5:20 AM, Eric Anholt wrote: > > On Sat, 20 Mar 2010 14:41:41 +0100, Karl Vogel w= rote: > >> The 'effect' is that only the mouse pointer works in the X server. The > >> cpu usage on the laptop during the sluggishness is minimal. When I > >> suspend the game with winedbg, the X server slowly becomes responsive = again. > >> > >> The output from latencytop seems to point to i915 being the culprit: > > > > If there's some code doing glFlush()es, it's probably that code at > > fault. =C2=A0You don't need to do that unless you're doing frontbuffer > > rendering, and if you're doing frontbuffer rendering you should really > > be doing backbuffer rendering. =C2=A0I don't see a kernel issue here. >=20 > That doesnt explain why the box completely locks up on 2.6.34-rc2 > though, where only a cold reboot works. Missed that part of the message. If there's a regression, bisect please. --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAkunjf0ACgkQHUdvYGzw6vc9AQCgi6HbFzYmWTP51+M4kDFEjQN3 UkEAn0xiTdaYR6NN+Zlo3Ifz2p5KEPNY =uK1v -----END PGP SIGNATURE----- --=-=-=--