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

[Ben Greear]

On 07/20/2011 06:34 AM, Paul E. McKenney wrote:
> On Tue, Jul 19, 2011 at 10:03:05PM -0700, Linus Torvalds wrote:
> > On Tue, Jul 19, 2011 at 9:44 PM, Paul E. McKenney
> > <paulmck@xxxxxxxxxxxxxxxxxx>  wrote:
> > > On Tue, Jul 19, 2011 at 10:07:32PM -0400, Ed Tomlinson wrote:
> > > > On Tuesday 19 July 2011 21:30:00 Ed Tomlinson 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.)
> >
> > Gaah. Any possibility of getting this resolved soon?
>
> I believe that we are very close.  These failures all involve unusual
> configurations, which is why they showed up so late.

What is strange about my configuration?  Just that I enabled the
RCU boost and other new RCU features?

Surely it's not that I'm just doing lots of mounts and unmounts
and file-io with lots of processes....

And I was posting lockdep warnings on this since -rc1 or so, though granted
I was running a few extra patches and having other bugs at the same time....

Thanks,
Ben

--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com

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