linux-kernel - Re: 2.6.21-rt2..8 troubles

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Message-Id: <1181603306.8176.183.camel@chaos>
Date:	Tue, 12 Jun 2007 01:08:26 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Daniel Walker <dwalker@...sta.com>
Cc:	Rui Nuno Capela <rncbc@...bc.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: 2.6.21-rt2..8 troubles

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@...Ghz.
> > 
> > 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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