From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932417AbVHRT7n (ORCPT ); Thu, 18 Aug 2005 15:59:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932416AbVHRT7m (ORCPT ); Thu, 18 Aug 2005 15:59:42 -0400 Received: from dsl3-63-249-67-204.cruzio.com ([63.249.67.204]:6313 "EHLO cichlid.com") by vger.kernel.org with ESMTP id S932417AbVHRT7m (ORCPT ); Thu, 18 Aug 2005 15:59:42 -0400 Date: Thu, 18 Aug 2005 12:58:17 -0700 From: Andrew Burgess Message-Id: <200508181958.j7IJwHIf011275@cichlid.com> To: linux-kernel@vger.kernel.org Subject: Re: 2.6.13-rc6-rt3 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >I haven't used any of the RT patches since V0.7.51-xx, but I upgraded to -rt8 >yesterday and had a couple of problems. I've just noticed you released -rt9, >but I don't think my problem is listed as fixed.. I'll upgrade anyway, in a >minute. >The problem I'm having is that when the kernel probes my IDE devices it slows >down, taking ages to complete the probe. Henceforth the kernel seems to work >at a slower speed doing just about anything (compiling, etc.), but >interactive performance is okay. It's a bizarre problem. Similar symptoms happened to me recently and it turned out I had accidently omitted support for my mb ide chipset (ata_piix) while shrinking my config so the kernel was unable to set dma mode. Took me a while to find because everything was working (in PIO mode) just really slowly :-)