linux-kernel - Re: [PATCH rcu/urgent 0/6] Fixes for RCU/scheduler/irq-threads trainwreck

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Message-Id: <201107200649.58956.edt@aei.ca>
Date:	Wed, 20 Jul 2011 06:49:57 -0400
From:	Ed Tomlinson <edt@....ca>
To:	paulmck@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...ymtl.ca, josh@...htriplett.org,
	niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, Valdis.Kletnieks@...edu, dhowells@...hat.com,
	eric.dumazet@...il.com, darren@...art.com, patches@...aro.org,
	greearb@...delatech.com
Subject: Re: [PATCH rcu/urgent 0/6] Fixes for RCU/scheduler/irq-threads trainwreck

On Wednesday 20 July 2011 00:44:35 Paul E. McKenney wrote:
> On Tuesday 19 July 2011 20:17:38 Paul E. McKenney wrote:
> > 
> > Paul,
> > 
> > Two things to add.  Its possible an eariler error is missing from the log below.  My serial console was missing
> > entries from before '0 and 40ish' and I did think I saw a bunch of FFFFFFFs scroll by eariler...
> > 
> > Second, booting with threadirqs and boost enabled in .config with patches 2,5,6 is ok so far.
> 
> Patches 3 and 4 resulted in failures?  (Patch 1 certainly did.)

I tried with all 7 and got an unstable system.  decided to add use the two I had already tested and
add one at a time.  Things seem ok with 2 (fix boost).  I've not tried with 2, 3,4,5,6.  Given that you
have changed patch 1, I'll reboot with all 7 again.

Ed
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