Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751642AbWJMMMe (ORCPT ); Fri, 13 Oct 2006 08:12:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751643AbWJMMMe (ORCPT ); Fri, 13 Oct 2006 08:12:34 -0400 Received: from mail.aei.ca ([206.123.6.14]:59894 "EHLO aeimail.aei.ca") by vger.kernel.org with ESMTP id S1751641AbWJMMMd (ORCPT ); Fri, 13 Oct 2006 08:12:33 -0400 From: Ed Tomlinson To: Lee Revell Subject: Re: USB performance bug since kernel 2.6.13 (CRITICAL???) Date: Fri, 13 Oct 2006 08:12:10 -0400 User-Agent: KMail/1.9.1 Cc: Open Source , linux-usb-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org References: <20061012205651.2853.qmail@web58103.mail.re3.yahoo.com> <1160688386.24931.95.camel@mindpipe> In-Reply-To: <1160688386.24931.95.camel@mindpipe> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-6" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200610130812.11157.edt@aei.ca> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1175 Lines: 22 On Thursday 12 October 2006 17:26, Lee Revell wrote: > On Thu, 2006-10-12 at 13:56 -0700, Open Source wrote: > > Yes, I am pretty sure you are right about the timing. But it shouldn't be that way. If it is, then there's a bug. > > > > I'm fully willing to accept there is something else I should be doing driver-wise, but it shoudn't require recompiling the stock distribution kernels. Otherwise, Linux is not competitive with Microsoft Windows in this regard! > > > > I'll try a recompile and report back. In the meantime, if anyone else has any ideas, please let me know! > > > > Yes, I agree that it would be a bug. If it turns out to be related to > CONFIG_HZ, ask your distro why they rolled it back from 1000 to 250Hz. If this turns out to be tied to the HZ rate its a bug. It _should_ not be using this timing to do this ergo bug. You may be able to bypass by using 1000Hz but this is not a fix... Ed Tomlinson - 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/