From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: xHCI Express Card failure -- ACPI related? Date: Wed, 23 Feb 2011 15:09:22 +0000 Message-ID: <20110223150922.GA9304@srcf.ucam.org> References: <20110223005513.GA2503@xanatos> <20110223015445.GA27481@srcf.ucam.org> <20110223145747.GA4627@xanatos> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:33049 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751292Ab1BWPJ2 (ORCPT ); Wed, 23 Feb 2011 10:09:28 -0500 Content-Disposition: inline In-Reply-To: <20110223145747.GA4627@xanatos> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Sarah Sharp Cc: linux-usb@vger.kernel.org, linux-acpi@vger.kernel.org, Len Brown On Wed, Feb 23, 2011 at 06:57:47AM -0800, Sarah Sharp wrote: > On Wed, Feb 23, 2011 at 01:54:45AM +0000, Matthew Garrett wrote: > > On Tue, Feb 22, 2011 at 04:55:13PM -0800, Sarah Sharp wrote: > > > I'm having an issue with an xHCI (USB 3.0 host controller) Express Card. > > > This card works fine on 2.6.37, but on 2.6.38-rc5, when I plug in the > > > card, I get this output in dmesg: > > > > Is the controller associated with irq 23? > > I think it is, before the xHCI driver switches to MSI/MSIX. I'd have to > disable MSI in 2.6.37 to confirm. Mm. Sounds like it's the hardware generating a legacy IRQ after you've changed to MSI? Any chance this could be related to the irq synchronisation patches? -- Matthew Garrett | mjg59@srcf.ucam.org