Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932784AbWE1Gke (ORCPT ); Sun, 28 May 2006 02:40:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932786AbWE1Gke (ORCPT ); Sun, 28 May 2006 02:40:34 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:51164 "EHLO mx3.mail.elte.hu") by vger.kernel.org with ESMTP id S932784AbWE1Gkd (ORCPT ); Sun, 28 May 2006 02:40:33 -0400 Date: Sun, 28 May 2006 08:40:26 +0200 From: Ingo Molnar To: Steven Rostedt Cc: john stultz , Thomas Gleixner , mingo@redhat.com, lkml Subject: Re: [-rt BUG] scheduling with irqs disabled: swapper Message-ID: <20060528064026.GA14665@elte.hu> References: <1f1b08da0605261553v5e55ebdfpc790ebd5e5b0add8@mail.gmail.com> <1148692456.5381.7.camel@localhost.localdomain> <1148775233.30211.1.camel@leatherman> <1148778806.5381.11.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1148778806.5381.11.camel@localhost.localdomain> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=AWL autolearn=no SpamAssassin version=3.0.3 0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 755 Lines: 21 * Steven Rostedt wrote: > Thanks, but I was looking more into the code, and I'm wondering... > Does this machine have "irqfixup" or "irqpoll" set in the kernel > command line? > > I think that -rt doesn't support it yet. That is, it can call a > handler from interrupt context, which should have been a thread. > > Let me know if that was the case. the backtrace shows misrouted_irq(), which is only called if "irqfixup" is enabled. That indeed isnt supported in -rt yet. Ingo - 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/