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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Meelis Roos <mroos@linux.ee>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: hung tasks in 3.18.0-rc1-00221-gc3351df
Date: Tue, 28 Oct 2014 05:49:42 -0700	[thread overview]
Message-ID: <20141028124942.GN5718@linux.vnet.ibm.com> (raw)
In-Reply-To: <alpine.LRH.2.11.1410281014530.6536@adalberg.ut.ee>

On Tue, Oct 28, 2014 at 10:16:43AM +0200, Meelis Roos wrote:
> > rcu: Make rcu_barrier() understand about missing rcuo kthreads
> 
> I can not trigger the previous problem at will so my testing is not very 
> useful. I tested the previous patch that you sent but the problem did 
> not trigger, and yesterday applied this one and it still does not 
> trigger, but I an using remote sessions only for now (no desktop).
> 
> At least it's not clearly broken :)

A couple of other people had more reproducible test setups and confirmed
that it fixed them.

But yes, there are no doubt other RCU bugs waiting to be found.  ;-)

							Thanx, Paul


  reply	other threads:[~2014-10-28 16:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-23 13:21 hung tasks in 3.18.0-rc1-00221-gc3351df Meelis Roos
2014-10-24  0:18 ` Paul E. McKenney
2014-10-24  7:58   ` Meelis Roos
2014-10-24 14:55     ` Paul E. McKenney
2014-10-27 17:44       ` Paul E. McKenney
2014-10-28  8:16         ` Meelis Roos
2014-10-28 12:49           ` Paul E. McKenney [this message]
2014-10-28 19:48             ` Meelis Roos
2014-10-28 20:22               ` Paul E. McKenney

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