Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753639Ab3CKKJh (ORCPT ); Mon, 11 Mar 2013 06:09:37 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:49277 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752797Ab3CKKJg (ORCPT ); Mon, 11 Mar 2013 06:09:36 -0400 Message-ID: <513DAD5D.6040905@gmail.com> Date: Mon, 11 Mar 2013 11:09:33 +0100 From: Harald Arnesen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130215 Thunderbird/17.0.3 MIME-Version: 1.0 To: "Rafael J. Wysocki" CC: Linux Kernel Mailing List Subject: Re: [3.9-rc1] very poor interrupt responses References: <2663178.G2EStYDi2n@segfault.sh0n.net> <7791757.cgjzv69Ulu@vostro.rjw.lan> In-Reply-To: <7791757.cgjzv69Ulu@vostro.rjw.lan> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1006 Lines: 20 Rafael J. Wysocki [2013-03-11 04:38]: > On Friday, March 08, 2013 02:12:33 PM 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. > > Please try to disable the intel_pstate driver by putting intel_pstate=disable > into the kernel's command line and see if that helps (you may also try to > compile the driver out). I see the same problem on my Thinkpad T500, and I have X86_INTEL_PSTATE=n in my config. -- Hilsen Harald -- 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/