From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757355AbZEMGv6 (ORCPT ); Wed, 13 May 2009 02:51:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752392AbZEMGvr (ORCPT ); Wed, 13 May 2009 02:51:47 -0400 Received: from cantor.suse.de ([195.135.220.2]:33184 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752161AbZEMGvq (ORCPT ); Wed, 13 May 2009 02:51:46 -0400 Date: Wed, 13 May 2009 08:51:46 +0200 Message-ID: From: Takashi Iwai To: Justin Piszcz Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.29.1: hda-intel: IRQ timing workaround is activated for card In-Reply-To: References: User-Agent: Wanderlust/2.12.0 (Your Wildest Dreams) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 Emacs/22.3 (x86_64-suse-linux-gnu) MULE/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Mon, 11 May 2009 08:33:08 -0400 (EDT), Justin Piszcz wrote: > > Hello, > > Kernel: 2.6.29.1 > Distribution: Debian Testing > > Once and awhile I see this: > > [2916854.550302] hda-intel: IRQ timing workaround is activated for card #0. > Suggest a bigger bdl_pos_adj. > > I do not recall seeing it often (if at all < 2.6.27-8) is this anything to > be worried about? No big worry about that. It must be some spontaneous hardware error that one can see on many HD-audio controllers. If it's too annoying, you can disable the workaround via bdl_pos_adj=0 option. But this may lead to a problem with some audio apps like JACK. Takashi