Re: hung tasks in 3.18.0-rc1-00221-gc3351df

[Paul E. McKenney]

On Tue, Oct 28, 2014 at 09:48:21PM +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.  ;-)
> 
> I reproduced the problem on Thinkpad T400 with Core2Duo and Chromium 
> startup failing, and your patch fixes that.
> 
> Tested-by: Meelis Roos <mroos@xxxxxxxx>

Got it, thank you!!!

							Thanx, Paul

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/