rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... } 10507 jiffies s: 47213 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Task dump for CPU 1:
task:ksoftirqd/1     state:R  running task     stack:25592 pid:   19 ppid:     2 flags:0x00004008
Call Trace: