kernel: ACPI: No handler for Region [POWR] (xxxxxxxxxxxxx) [IPMI]

tail -f /var/log/messages

Oct 23 12:23:27 hd010 kernel: ACPI: No handler for Region [POWR] (xxxxxxxxxxxxx) [IPMI]
Oct 23 12:23:42 hd010 kernel: ACPI: No handler for Region [POWR] (xxxxxxxxxxxxx) [IPMI]
Oct 23 12:23:57 hd010 kernel: ACPI: No handler for Region [POWR] (xxxxxxxxxxxxx) [IPMI]
Oct 23 12:24:12 hd010 kernel: ACPI: No handler for Region [POWR] (xxxxxxxxxxxxx) [IPMI]
Oct 23 12:24:27 hd010 kernel: ACPI: No handler for Region [POWR] (xxxxxxxxxxxxx) [IPMI]

每隔15秒输出一条日志, 从服务器运行情况来看没什么问题, 但一直刷日志影响其他正常日志输出

从输出来看是 ACPI电源管理模块 和 IPMI带外管理模块问题,

通过 ipmi 查看电源也是正常的,  iDRAC 查看也没什么异常,

# ipmitool power status
Chassis Power is on

有的说是kernel bug 升级内核就好了, 但由于是线上业务不方便重启,

可以去掉 power_meter模块 临时解决

# modprobe -r power_meter

• https://access.redhat.com/solutions/49225
• https://zh.wikipedia.org/zh-cn/IPMI
• https://wiki.archlinux.org/index.php/ACPI_modules_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)
• https://www.kernel.org/doc/html/latest/hwmon/acpi_power_meter.html