From owner-freebsd-hardware@FreeBSD.ORG Wed Dec 2 15:59:20 2009 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3E10A106566B; Wed, 2 Dec 2009 15:59:20 +0000 (UTC) (envelope-from cowens@greatbaysoftware.com) Received: from portcityhosting.com (bayringfw.portcityweb.com [64.140.243.92]) by mx1.freebsd.org (Postfix) with ESMTP id DC3F08FC18; Wed, 2 Dec 2009 15:59:19 +0000 (UTC) Received: from [127.0.0.1] ([173.14.128.81]) by portcityhosting.com with MailEnable ESMTP; Wed, 2 Dec 2009 10:59:19 -0500 X-WatchGuard-Mail-Exception: Allow Message-ID: <4B168FB2.6020509@greatbaysoftware.com> Date: Wed, 02 Dec 2009 11:02:58 -0500 From: Charles Owens MIME-Version: 1.0 To: John Baldwin References: <4B070F07.8010600@greatbaysoftware.com> <4B156C80.7090706@greatbaysoftware.com> <200912020943.15200.jhb@freebsd.org> In-Reply-To: <200912020943.15200.jhb@freebsd.org> X-WatchGuard-AntiVirus: part scanned. clean action=allow X-ME-Bayesian: 0.000000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-hardware@freebsd.org Subject: Re: USB bus setup error with PAE (was USB keyboard flaky with PAE kernel, 7.1) X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Dec 2009 15:59:20 -0000 John Baldwin wrote: > On Tuesday 01 December 2009 2:20:32 pm Charles Owens wrote: > >> Charles Owens wrote: >> >>> Howdy, >>> >>> I'm still digging into it, put preliminary testing is showing that >>> with a PAE-enabled 7.1-RELEASE-p8 kernel a USB keyboard functions only >>> occasionally, if you're lucky. This flakiness is being seen with >>> several different server models that we support (HP and IBM, all Xeon >>> based). If we boot a non-PAE kernel then the USB keyboard is rock solid. >>> >> My initial report was entirely too broad --- an unrelated problem was >> confusing things. I can now report that this problem appears limited to >> only the IBM System x3550 M2. With a PAE-enabled kernel initialization >> of some of the USB buses fails. From an external perspective, this >> results in the rear USB port being non-functional, while the two front >> USB ports work fine. For some reason, though, when booting the same PAE >> kernel from a CD none of the USB ports function. >> >> In previous posting ( >> http://docs.freebsd.org/cgi/mid.cgi?4B0D14CB.1010000 ) I included output >> of usbdevs and boot log when running the PAE-enabled kernel. Note the >> "root hub error" messages in boot log. >> >> Below I'll repeat the same info when running a non-PAE kernel. >> >> Any thoughts as to what the story is here... and suggestions for >> resolution? Thanks in advance. >> > > Would you be able to test an 8.0 kernel with PAE enabled? 8.0 has a > completely rewritten USB stack, so there is a chance that the bug in 7 might > not be present in 8. You can also try posting on freebsd-usb@ since the folks > working on the USB drivers tend to hang out on that list. > Good suggestions... I'll proceed with both. Thanks, Charles