Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760248Ab3CICTq (ORCPT ); Fri, 8 Mar 2013 21:19:46 -0500 Received: from netrider.rowland.org ([192.131.102.5]:49933 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1760118Ab3CICTp (ORCPT ); Fri, 8 Mar 2013 21:19:45 -0500 Date: Fri, 8 Mar 2013 21:19:44 -0500 (EST) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: Peter Hurley cc: Shawn Starr , Thomas Meyer , Kernel development list , USB list Subject: Re: [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses) In-Reply-To: <1362778382.20990.17.camel@thor.lan> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1117 Lines: 29 On Fri, 8 Mar 2013, Peter Hurley wrote: > [ +linux-usb ] > > On Fri, 2013-03-08 at 14:12 -0500, Shawn Starr wrote: > > Hello folks, > > > > I am noticing since rc0 and now rc1, very poor interrupt handling. Keyboard response, mouse movements, display refreshing etc. General input/display sluggishness. Did something break IRQ handling somewhere? I need to validate if this happens with X not running also if it is i915 related somehow. The behavor is noticed in a console login however. > > > > Device: Lenovo W500 laptop > > Hi Shawn, > > Unhandled interrupts is the problem. > > Is the device below being id'd properly? > If you remove this device, does the problem go away? Does either of the kernels in question have commit 0f815a0a700b (USB: UHCI: fix IRQ race during initialization)? That commit was added to fix precisely this sort of thing. Alan Stern -- 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/