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

Paul E. McKenney
2014-10-28T16:27:49Z

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