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From: Ingo Molnar <mingo@elte.hu>
To: Roland Dreier <rdreier@cisco.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Early hang with 2.6.21-rc4-rt1
Date: Sun, 25 Mar 2007 09:29:47 +0200	[thread overview]
Message-ID: <20070325072947.GA10734@elte.hu> (raw)
In-Reply-To: <ada8xdlnb6f.fsf@cisco.com>


* Roland Dreier <rdreier@cisco.com> wrote:

> OK, another data point.  The config below boots and works with 
> 2.6.21-rc4-rt1, but enabling CONFIG_CRITICAL_IRQSOFF_TIMING causes the 
> early boot hang.
> 
> Any idea?

ah, i havent tried that option in quite some time, so bitrot is pretty 
likely. Does the problem go away if you disable CONFIG_FUNCTION_TRACE? 
If the problem goes away then it would suggest some sort of 
mcount()-driven recursion into hardirqs_off/hardirqs_on.

	Ingo

  reply	other threads:[~2007-03-25  7:30 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-25  5:03 Early hang with 2.6.21-rc4-rt1 Roland Dreier
2007-03-25  5:29 ` Roland Dreier
2007-03-25  7:29   ` Ingo Molnar [this message]
2007-03-25  7:34     ` Ingo Molnar
2007-03-25  8:06       ` Ingo Molnar
2007-03-25 16:27         ` Roland Dreier
2007-03-25  7:31 ` Ingo Molnar
2007-03-25 14:35   ` Roland Dreier
2007-03-25 17:01     ` Roland Dreier
2007-03-27 19:22       ` Ingo Molnar
2007-03-27 19:24       ` Ingo Molnar
2007-03-27 19:42         ` Roland Dreier
2007-03-30  9:02           ` Ingo Molnar
2007-03-30  9:24             ` Ingo Molnar

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