Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965354AbWJ2Tw1 (ORCPT ); Sun, 29 Oct 2006 14:52:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965328AbWJ2Tw1 (ORCPT ); Sun, 29 Oct 2006 14:52:27 -0500 Received: from wx-out-0506.google.com ([66.249.82.229]:63522 "EHLO wx-out-0506.google.com") by vger.kernel.org with ESMTP id S965354AbWJ2Tw1 (ORCPT ); Sun, 29 Oct 2006 14:52:27 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=LV6BkffQ3yjQh5BsmXo1pwzsGdiBDOAfMFaG89FYCrsPw0R/iqt4QBD9L2y25UD526mbqTx0MiFi0wjoK6cFXhG36HkTC/wYf3WE7JqRM2SVMUfZb8+pIB2Ow870sudsRiJz4UoNn7y3FVLrAbUdEm5fY7rKvsXapUJvaakOz0M= Message-ID: <5a4c581d0610291152r7f538188m4ce52fba1f5f4683@mail.gmail.com> Date: Sun, 29 Oct 2006 20:52:26 +0100 From: "Alessandro Suardi" To: "Lee Revell" Subject: Re: loading EHCI_HCD slows down IDE disk performance by 50% Cc: "Linux Kernel" In-Reply-To: <1162146560.14733.65.camel@mindpipe> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <5a4c581d0610291013w40c1b0e6g408051a79534956a@mail.gmail.com> <1162146560.14733.65.camel@mindpipe> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1011 Lines: 29 On 10/29/06, Lee Revell wrote: > On Sun, 2006-10-29 at 19:13 +0100, Alessandro Suardi wrote: > > Any hints/tips about what to try with this issue will be > > of course very welcome. > > git bisect As I clarified to Lee in private email, this method doesn't seem to apply in this situation, as the problem appeared when I selected CONFIG_EHCI_HCD in my build due to the purchase of the USB2.0 disk, back in the 2.6.16-rc cycle; so if the combination of high performance IDE + EHCI_HCD ever existed, it must be earlier than 2.6.16-rc5-git8. Lacking any input I'll try to find out more in the next week by starting out at 2.6.10 and eventually earlier. Thanks, ciao, --alessandro "...when I get it, I _get_ it" (Lara Eidemiller) - 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/