From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Helgaas Subject: Re: ACPI screwing up USB ehci_hcd with kernel 2.6.16.18 Date: Fri, 9 Jun 2006 15:34:41 -0600 Message-ID: <200606091534.41266.bjorn.helgaas@hp.com> References: <200605282150.24428.surgpub@telkomsa.net> <200606051045.10447.bjorn.helgaas@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from atlrel9.hp.com ([156.153.255.214]:1174 "EHLO atlrel9.hp.com") by vger.kernel.org with ESMTP id S1030278AbWFIVev (ORCPT ); Fri, 9 Jun 2006 17:34:51 -0400 In-Reply-To: <200606051045.10447.bjorn.helgaas@hp.com> Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Paul Surgeon Cc: linux-acpi@vger.kernel.org On Monday 05 June 2006 10:45, Bjorn Helgaas wrote: > On Sunday 28 May 2006 13:50, Paul Surgeon wrote: > > I had a problem with ACPI IRQ routing messing up the USB ehci module. > > I have to disable the irq routing with apci=noirq in the bootloader config in > > order to use the ehci module. > > > > Failing to do so results in : > > usb 5-1: new high speed USB device using ehci_hcd and address 3 > > ehci_hcd 0000:00:10.4: Unlink after no-IRQ? Controller is probably using the > > wrong IRQ. > > > > System : > > Kernel 2.6.16.18 > > Chipset VIA KT400A > > Can you open a bug report at http://bugzilla.kernel.org in the ACPI > category? Please attach the complete dmesg log both with and without > "acpi=noirq". Did you resolve this problem? If you can collect some information, we can probably fix the problem. Bjorn