linux-kernel - Re: Early hang with 2.6.21-rc4-rt1

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Message-ID: <20070325073424.GA14242@elte.hu>
Date:	Sun, 25 Mar 2007 09:34:24 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Roland Dreier <rdreier@...co.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Early hang with 2.6.21-rc4-rt1


* Ingo Molnar <mingo@...e.hu> 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.
>
> 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? 

hm - on 32-bit, CRITICAL_IRQSOFF_TIMING+FUNCTION_TRACING works fine for 
me. I'll try the 64-bit kernel too.

	Ingo
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