linux-kernel - Re: [BUG RT] WARNING: at kernel/sched.c:5071 2.6.23-rc1-rt7

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Message-ID: <20070805065646.GA515@elte.hu>
Date:	Sun, 5 Aug 2007 08:56:46 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ibm.com>
Subject: Re: [BUG RT] WARNING: at kernel/sched.c:5071 2.6.23-rc1-rt7


* Steven Rostedt <rostedt@...dmis.org> wrote:

> Ingo,
> 
> The below ifndef, shouldn't that be ifndef CONFIG_PREEMPT_SOFTIRQS ? I 
> hit that warning while I was running !PREEMPT_RT but with both hard 
> and softiqs as threads.

yeah, indeed - fixed.

> P.S. I really found out that the system becomes VERY non-responsive 
> when you run with both hard and softirqs as threads, but with 
> PREEMPT_NONE ;-)

hm. That's not supposed to happen. Could there be some wakeup or softirq 
processing problem?

	Ingo
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