Messages in this thread | | | Date | Fri, 11 Mar 2022 12:08:14 +0100 | From | Frederic Weisbecker <> | Subject | Re: Scenario TREE07 with CONFIG_PREEMPT_DYNAMIC=n? |
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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? > > Thanx, Paul
Ok it reproduces easily but I have no clue about the origin. I'm starting a bisection.
Thanks!
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