查看当前正在运行的进程发现kipmi0进程占用率达到100%
kipmi is supposed to run with low priority. When you say it consumes 70-90% of the cpus,is that constant (does it still consume the processor when they are other tasks in the process queue that should have a larger slice of the cpu time) or the 70%/90% comes when the machine is idle?
A second issue to investigate is whether you have pending controller issues (alarms of varying nature that are not resolved) and/or older versions of controller firmware.解决方法：
临时降低
echo 100 > /sys/module/ipmi_si/parameters/kipmid_max_busy_us
永久生效（系统重启生效）：
echo "options ipmi_si kipmid_max_busy_us=100">/etc/modprobe.d/ipmi.conf
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