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

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Message-Id: <1186353406.13885.2.camel@localhost.localdomain>
Date:	Sun, 05 Aug 2007 18:36:46 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ingo Molnar <mingo@...e.hu>
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

On Sun, 2007-08-05 at 08:56 +0200, Ingo Molnar wrote:
> * Steven Rostedt <rostedt@...dmis.org> wrote:

> 
> > 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

Well, it happened right after I installed the ath driver (from
http://svn.madwifi.org/trunk ).  But I've recompiled my system with
PREEMPT_RT and it works fine now.  I can investigate it later, but I
currently need this system working with a PREEMPT_RT kernel.

-- Steve


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