Messages in this thread | | | Date | Sun, 27 Mar 2016 14:07:33 -0700 | From | "Paul E. McKenney" <> | Subject | Re: rcu_preempt self-detected stall on CPU from 4.5-rc3, since 3.17 |
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On Sun, Mar 27, 2016 at 10:53:18PM +0200, Peter Zijlstra wrote: > On Sun, Mar 27, 2016 at 08:40:18AM -0700, Paul E. McKenney wrote: > > Oh, and the patch I am running with is below. I am running x86, and so > > some other architectures would of course need the corresponding patch > > on that architecture. > > > -#define TIF_POLLING_NRFLAG 21 /* idle is polling for TIF_NEED_RESCHED */ > > Also note that ARM (v7) which Ross is running doesn't have this to begin > with.
He might well be seeing some other bug, then. Reinette might be instead seeing time-synchronization issues, perhaps that is also Ross's problem.
Or maybe there is more than one bug. ;-)
Thanx, Paul
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