Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030195AbVJEROX (ORCPT ); Wed, 5 Oct 2005 13:14:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030267AbVJEROX (ORCPT ); Wed, 5 Oct 2005 13:14:23 -0400 Received: from xproxy.gmail.com ([66.249.82.203]:37357 "EHLO xproxy.gmail.com") by vger.kernel.org with ESMTP id S1030195AbVJEROW convert rfc822-to-8bit (ORCPT ); Wed, 5 Oct 2005 13:14:22 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=aDFLOisso0Mpwl79qzVo0hELvMQuo/VjjKB8Sr58qNzClLeSM/UI8Pq0L5FV2DWKTLCgNpDukbR4e+f+IJ7431y95o7GOoSJXBLyJqbJBHK3los56Ocn2lxQumvMkMd0tL58oiP4ru3Kteig1sac9bkzu2JrFdZB/DrW6hztGUM= Message-ID: <5bdc1c8b0510051014q3bb02d5bl80d2c88cc884fe35@mail.gmail.com> Date: Wed, 5 Oct 2005 10:14:19 -0700 From: Mark Knecht Reply-To: Mark Knecht To: Ingo Molnar Subject: Re: 2.6.14-rc3-rt2 Cc: linux-kernel@vger.kernel.org In-Reply-To: <20051005105605.GA27075@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <20051004084405.GA24296@elte.hu> <43427AD9.9060104@cybsft.com> <20051004130009.GB31466@elte.hu> <5bdc1c8b0510040944q233f14e6g17d53963a4496c1f@mail.gmail.com> <5bdc1c8b0510041111n188b8e14lf5a1398406d30ec4@mail.gmail.com> <1128450029.13057.60.camel@tglx.tec.linutronix.de> <5bdc1c8b0510041158m3620f5dcy2dafda545ad3cd5e@mail.gmail.com> <1128458707.13057.68.camel@tglx.tec.linutronix.de> <5bdc1c8b0510041349g1a4f2484qd17a11812c8ccac3@mail.gmail.com> <20051005105605.GA27075@elte.hu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3692 Lines: 102 On 10/5/05, Ingo Molnar wrote: > > * Mark Knecht wrote: > > > On 10/4/05, Thomas Gleixner wrote: > > > On Tue, 2005-10-04 at 11:58 -0700, Mark Knecht wrote: > > > > > I guess its related to the priority leak I'm tracking down right now. > > > > > Can you please set following config options and check if you get a bug > > > > > similar to this ? > > > > > > > > > > BUG: init/1: leaked RT prio 98 (116)? > > > > > > > > > > Steven, it goes away when deadlock detection is enabled. Any pointers > > > > > > Thats actually a red hering caused by asymetric accounting which only > > > happens when > > > > > > CONFIG_DEBUG_PREEMPT=y > > > and > > > # CONFIG_RT_DEADLOCK_DETECT is not set > > > > OK. I'll keep testing then. > > > > Are you asking me to apply the code you sent or is that for someone > > else? > > could you try the -rt8 kernel, with the same .config that previously > produced those messages - do the messages still occur? > > Ingo > Hi Ingo, By the time I go there it was already -rt9. Unfortunately I still get the same message. Possibly the continued discussion is addressing this? I haven't tried to read it all yet. >From dmesg: PCI: Using configuration type 1 PCI: Using MMCONFIG at e0000000 ACPI: Subsystem revision 20050902 BUG: swapper/1: spin-unlock irq flags assymetry? Call Trace:{_spin_unlock_irqrestore+89} {acpi_ev_create_gpe_block+642} {acpi_os_wait_semaphore+135} {acpi_ev_gpe_initialize+109} {acpi_ev_initialize_events+151} {acpi_enable_subsystem+69} {acpi_init+86} {init_bio+266} {init+506} {child_rip+8} {init+0} {child_rip+0} --------------------------- | preempt count: 00000000 ] | 0-level deep critical section nesting: ---------------------------------------- WARNING: swapper/1 changed soft IRQ-flags. Call Trace:{local_irq_enable+26} {_spin_unlock_irqrestore+101} {acpi_ev_create_gpe_block+642} {acpi_os_wait_semaphore+135} {acpi_ev_gpe_initialize+109} {acpi_ev_initialize_events+151} {acpi_enable_subsystem+69} {acpi_init+86} {init_bio+266} {init+506} {child_rip+8} {init+0} {child_rip+0} --------------------------- | preempt count: 00000000 ] | 0-level deep critical section nesting: ---------------------------------------- ACPI: Interpreter enabled ACPI: Using IOAPIC for interrupt routing ACPI: PCI Root Bridge [PCI0] (0000:00) PCI: Probing PCI hardware (bus 00) PCI: Transparent bridge - 0000:00:09.0 mark@lightning ~ $ uname -a Linux lightning 2.6.14-rc3-rt9 #1 SMP PREEMPT Wed Oct 5 09:16:16 PDT 2005 x86_64 AMD Athlon(tm) 64 Processor 3000+ AuthenticAMD GNU/Linux mark@lightning ~ $ The previous -rt7 kernel, even with this message, has been the best one I've tested so far on this machine, at least for my work load. I'll test -rt9 more starting now and will watch this thread for any instructions or requests. If you want or need my current config file let me know. Cheers, Mark - 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/