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From: Ingo Molnar <mingo@elte.hu>
To: ganzinger@mvista.com
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Corey Minyard <cminyard@mvista.com>
Subject: Re: [PATCH] BUG_ON() in ksoftirqd is a bit too agressive...
Date: Mon, 23 May 2005 09:28:34 +0200	[thread overview]
Message-ID: <20050523072834.GB3539@elte.hu> (raw)
In-Reply-To: <428BD501.5020905@mvista.com>


* George Anzinger <george@mvista.com> wrote:

> Ksoftirqd is created by init, long after the timer system is up and 
> running.  We have hit the BUG_ON(tasklet_... in this code, i.e. 
> tasklets pending at ksoftirqd create time.  Since, with the RT option 
> to push all softirq code to a thread, any softirqs are defered to this 
> time, it is easy to hit this bug.  Clearly only a problem for cpu 0.  
> Here is a patch:

thanks, i've applied this to my -RT tree (will show up in .47-05 and 
later trees).

	Ingo

      reply	other threads:[~2005-05-23  7:29 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-18 23:51 George Anzinger
2005-05-23  7:28 ` Ingo Molnar [this message]

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