rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P12170 P12159 } 4 jiffies s: 5177 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 P2975
 } 10 jiffies s: 5285 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):