CentOS 7: BUG: soft lockup – CPU#3 stuck for 22s! phptuts August 30, 2020 CentOS 7: BUG: soft lockup – CPU#3 stuck for 22s! Read current value of file /proc/sys/kernel/watchdog_thresh [root@tutorialspots ~]# cat /proc/sys/kernel/watchdog_thresh 10 Increase this value: echo 30 > /proc/sys/kernel/watchdog_thresh phptuts