Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261866AbVEWH4H (ORCPT ); Mon, 23 May 2005 03:56:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261863AbVEWH4G (ORCPT ); Mon, 23 May 2005 03:56:06 -0400 Received: from mx1.elte.hu ([157.181.1.137]:46571 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S261866AbVEWHz3 (ORCPT ); Mon, 23 May 2005 03:55:29 -0400 Date: Mon, 23 May 2005 09:55:08 +0200 From: Ingo Molnar To: Lee Revell Cc: linux-kernel Subject: Re: weird X problem - priority inversion? Message-ID: <20050523075508.GC9287@elte.hu> References: <1113428938.16635.13.camel@mindpipe> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1113428938.16635.13.camel@mindpipe> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 793 Lines: 21 does this still occur with the latest tree? (.47-05 or later) Ingo * Lee Revell wrote: > I am having a problem with the RT preempt kernels where xscreensaver > will cause the X server to consume excessive CPU, starving other > processes. This should not happen as xscreensaver runs at the highest > nice value. It seems that there's some kind of priority inversion > happening between the high prio X server and low prio xscreensaver. > > This seems like an X problem to me, but could the kernel be involved? > > Lee - 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/