[52197.833297] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[52197.839712] rcu:     3-...0: (6 ticks this GP) idle=3c3/1/0x4000000000000000 softirq=209339/209341 fqs=2482
[52197.849707]  (detected by 0, t=5254 jiffies, g=569845, q=20)
[52197.855621] Task dump for CPU 3:
[52197.858997] task:sugov:0         state:D stack:    0 pid:  168 ppid:     2 flags:0x0000000a
[52197.867722] Call trace:
[52197.870284]  __switch_to+0xdc/0x130
[52197.873952]  0xffff000002cda320