Date: Tue, 2 Nov 2004 20:27:09 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Mark_H_Johnson@raytheon.com
Cc: Thomas Gleixner <tglx@linutronix.de>,
       Florian Schmidt <mista.tapas@gmx.net>,
       Lee Revell <rlrevell@joe-job.com>,
       Paul Davis <paul@linuxaudiosystems.com>,
       LKML <linux-kernel@vger.kernel.org>, Bill Huey <bhuey@lnxw.com>,
       Adam Heath <doogie@debian.org>,
       Michal Schmidt <xschmi00@stud.feec.vutbr.cz>,
       Fernando Pablo Lopez-Lezcano <nando@ccrma.stanford.edu>,
       Karsten Wiese <annabellesgarden@yahoo.de>,
       Rui Nuno Capela <rncbc@rncbc.org>, "K.R. Foley" <kr@cybsft.com>
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.6.8
Message-ID: <20041102192709.GA1674@elte.hu>
References: <OFB38B3DE8.983DDEAD-ON86256F40.0062F170-86256F40.0062F1A5@raytheon.com> <20041102191858.GB1216@elte.hu>
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* Ingo Molnar <mingo@elte.hu> wrote:

> > This build appears to run OK and then in the middle of the real time
> > tests stops doing useful work (during network test).
> 
> weird, the deadlock detector did not trigger, although it is a clear
> circular deadlock:

ah ... found it - a fair portion of spinlocks and rwlocks had deadlock
detection turned off in -V0.6.6 - amongst them ptype_lock. I've uploaded
-V0.6.9 that fixes this.

	Ingo
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