linux-kernel - Re: [Announce] 2.6.29-rc4-rt1

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Message-ID: <20090212005032.GA4788@nowhere>
Date:	Thu, 12 Feb 2009 01:50:35 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Thomas Gleixner <tglx@...x.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	rt-users <linux-rt-users@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Carsten Emde <ce@...g.ch>, Clark Williams <williams@...hat.com>
Subject: Re: [Announce] 2.6.29-rc4-rt1

On Wed, Feb 11, 2009 at 11:43:44PM +0100, Thomas Gleixner wrote:
> After a 1.5 years sabbatical from preempt-rt we are pleased to
> announce a refactored preempt-rt patch against linux-2.6.29-rc4.
> 
> The patch is working on x86 (32 and 64bit) but we have not yet updated
> ARM, PPC and MIPS (work in progress).
> 
> We also dropped some experimental features of the base preempt-rt
> queue 2.6.26.8-rt15 simply because we wanted to survive the forward
> port over 3 kernel releases with the least amount of surprises. These
> features (e.g. multiple reader PI locks) are not essential for the
> preempt-rt functionality and need some serious overhaul anyway.
> 
> The interested -rt observer might have noticed that we based our work
> on the 2.6.26.8-rt15 patch queue and did not pick the git-rt tree
> which is based on 2.6.28. The reason for this is that we wanted to pick
> the most stable patch queue and the git-rt tree has a lot of rewritten
> new code. Our work is not making the work which was done over the last
> months in the git-rt tree obsolete, quite the contrary: we want to
> provide a stable yet latest-kernel based foundation and integrate those
> changes gradually, as they become ready.
> 
> The further plan for the new -rt series is to merge it fully into git
> and integrate it into the -tip git tree so it gets the same treatment
> as all of our -tip based work: fully automated compile and boot
> testing. Furthermore an automated multi architecture -rt performance
> regression test based on the same infrastructure is currently being
> built.
> 
> The integration into the -tip tree also allows us to seperate out parts
> of -rt which are ready for mainline more easily and integrate them
> with our usual propagation to mainline.
> 
> The structure of the patches is likely to change over the next days
> when we tackle the git integration, but we appreciate your feedback in
> the form of comments, bugreports and patches.
> 


Hi!

I get some sleep while atomic warnings.
I've put the log and my config in attachment.



View attachment "rtcrash" of type "text/plain" (125417 bytes)

View attachment "config-bad" of type "text/plain" (47591 bytes)