From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261938AbUL0R6f (ORCPT ); Mon, 27 Dec 2004 12:58:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261939AbUL0R6f (ORCPT ); Mon, 27 Dec 2004 12:58:35 -0500 Received: from clock-tower.bc.nu ([81.2.110.250]:58011 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S261938AbUL0R6d (ORCPT ); Mon, 27 Dec 2004 12:58:33 -0500 Subject: Re: Linux 2.6.10-ac1 From: Alan Cox To: Bartlomiej Zolnierkiewicz Cc: Andreas Steinmetz , Ross Biro , Linux Kernel Mailing List In-Reply-To: <58cb370e04122707544be6d600@mail.gmail.com> References: <1104103881.16545.2.camel@localhost.localdomain> <58cb370e04122616577e1bd33@mail.gmail.com> <41CF649E.20409@domdv.de> <58cb370e041226174019e75e23@mail.gmail.com> <8783be660412270645717b89d1@mail.gmail.com> <58cb370e0412270738fbc045c@mail.gmail.com> <41D02EEC.4090000@domdv.de> <58cb370e04122707544be6d600@mail.gmail.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1104166472.20952.55.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Mon, 27 Dec 2004 16:54:33 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Llu, 2004-12-27 at 15:54, Bartlomiej Zolnierkiewicz wrote: > Ah, so the problem only affects native PCI IRQs. > Is it possible that it is a buggy IDE host driver not a generic IDE problem? More likely it is a core problem. I'm still stomping 400nS timing violations and you don't have all of those let alone the other locking stuff. Nor are we anywhere remotely near fixing them. Blaming the host driver at this point seems a bit early for any IDE bug. There certainly are corner cases where APIC timing for PIII especially would radically change behaviour. We also exercise IRQ masking far harder than any other driver with IDE. Alan