Messages in this thread | | | Date | Thu, 10 Mar 2022 14:52:19 -0800 | From | "Paul E. McKenney" <> | Subject | Re: Scenario TREE07 with CONFIG_PREEMPT_DYNAMIC=n? |
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On Thu, Mar 10, 2022 at 11:41:03PM +0100, Frederic Weisbecker wrote: > On Thu, Mar 10, 2022 at 01:56:30PM -0800, Paul E. McKenney wrote: > > Hello, Frederic, > > > > I recently added CONFIG_PREEMPT_DYNAMIC=n to the TREE07 file, and since > > then am getting roughly one RCU CPU stall warning (or silent hang) > > per few tens of hours of rcutorture testing on dual-socket systems. > > The stall warnings feature starvation of RCU grace-period kthread. > > > > Any advice on debugging this? > > Oh, I'm testing that!
Even better, thank you! ;-)
Thanx, Paul
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