From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758396AbYETGNY (ORCPT ); Tue, 20 May 2008 02:13:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754480AbYETGNO (ORCPT ); Tue, 20 May 2008 02:13:14 -0400 Received: from smtp115.sbc.mail.sp1.yahoo.com ([69.147.64.88]:25354 "HELO smtp115.sbc.mail.sp1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754065AbYETGNN (ORCPT ); Tue, 20 May 2008 02:13:13 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=pacbell.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=vy4tJhECzC22okAdL6A3F/Yl4yTj0xufYcq0J4NOYvkh9JJ499la258/9pJCc/oCFUA1JpF5gkI7fa01G8G9eI1/ZVIvVlDihUUpazytqT5QRRF2U/TBsmOFJmpfQkpMowJM+lhZ5n5t+rctJCzeE1j0EGtX+bDOFYH2OM4OOAQ= ; X-YMail-OSG: WN4ZfgoVM1kSubhkjV024R9lrweyW.4XkZoGKz2jWFCu1FbDOo1Cs0lO9EmN6Yvy6PTro9VqhXhq961LEizFJGdETawQiAUrt1CrNiL_2TZY525NaouRMbAdOb5PLz88N2I- X-Yahoo-Newman-Property: ymail-3 From: David Brownell To: Lennert Buytenhek Subject: Re: [Bug #10713] ehci splatter in 2.6.26-rc2 Date: Mon, 19 May 2008 23:13:11 -0700 User-Agent: KMail/1.9.9 Cc: "Rafael J. Wysocki" , Alan Stern , Greg Kroah-Hartman , Linux Kernel Mailing List , akpm@linux-foundation.org, nico@cam.org References: <20080519231126.GA15099@xi.wantstofly.org> <20080520001824.GA15878@xi.wantstofly.org> In-Reply-To: <20080520001824.GA15878@xi.wantstofly.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Content-Disposition: inline Message-Id: <200805192313.11600.david-b@pacbell.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 19 May 2008, Lennert Buytenhek wrote: > A bisect turns up this: > >         7329e211b987a493cbcfca0e98c60eb108ab42df is first bad commit >         commit 7329e211b987a493cbcfca0e98c60eb108ab42df >         Author: Alan Stern >         Date:   Thu Apr 3 18:02:56 2008 -0400 > >             USB: root hubs don't lie about their number of TTs >              >             Currently EHCI root hubs enumerate with a bDeviceProtocol code >             indicating that they possess a Transaction Translator.  However the >             vast majority of controllers do not... > > And indeed, reverting this commit from 2.6.26-rc3 makes my system > stop oopsing when I plug in the USB-PS/2 adapter (a low speed device), > and makes it work again as it did in 2.6.25. > > Any other info I can provide or tests I can run? I'm guessing that this has a version of the ARC/TDI/whoever-now-owns-it IP, on a PCI bus? But without the integrated TT option? If this is on a PCI bus, then try removing the ehci-pci.c line added by that patch, see if that helps. - Dave