Subject: Re: 2.6.21-rt2..8 troubles
From: Thomas Gleixner <tglx@linutronix.de>
To: Daniel Walker <dwalker@mvista.com>
Cc: Rui Nuno Capela <rncbc@rncbc.org>, Ingo Molnar <mingo@elte.hu>,
       linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org
In-Reply-To: <1181601280.11539.219.camel@imap.mvista.com>
References: <23932.213.58.131.130.1170156409.squirrel@www.rncbc.org>
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	 <4658A4F4.1080204@rncbc.org>  <46660369.2070104@rncbc.org>
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	 <59605.213.13.107.141.1181326897.squirrel@www.rncbc.org>
	 <1181328636.4404.335.camel@chaos>  <466DA42A.6010600@rncbc.org>
	 <1181591122.8176.159.camel@chaos>
	 <1181591733.11539.217.camel@imap.mvista.com>  <466DB581.8050306@rncbc.org>
	 <1181596473.8176.162.camel@chaos>  <466DBDC2.8030509@rncbc.org>
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Date: Tue, 12 Jun 2007 01:08:26 +0200
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On Mon, 2007-06-11 at 15:34 -0700, Daniel Walker wrote:
> On Mon, 2007-06-11 at 23:42 +0200, Thomas Gleixner wrote:
> > On Mon, 2007-06-11 at 22:25 +0100, Rui Nuno Capela wrote:
> > > Nope. It's a Fujitsu-Siemens Amilo Si 1520 -- Intel Core2 Duo T7200@2.0Ghz.
> > 
> > Yeah, there are Dell ones which have similar or worse symptoms.
> > 
> > > Works great with 2.6.21-rt1, and 2.6.22-rc4-hrt5, but that you already
> > > know :)
> > 
> > Ok. I go back and figure out which differences we have between
> > 2.6.21-rt>8 and the -hrt queue.
> 
> Are you sure it's strictly and HRT issue? I didn't see a
> !CONFIG_HIGH_RES_TIMERS test ..

The main difference between -rt1 and -rt2 was the update of -hrt, which
not only affects CONFIG_HIGH_RES_TIMERS. There are enough
CONFIG_HIGH_RES_TIMERS=n related changes to clock events and friends as
well.

	tglx


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