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# 5.40 开机出现 Firmware Bug 日志
错误日志内容：`[Firmware Bug]:TSC_DEADLINE disabled due to Errata; pleaseupdate microcode to version: 0x22 (or later)`
解决办法：`sudo apt install intel-microcode 或 sudo apt install amd64-microcode`
检查安装：`dmesg |grep microcode`
问题来源：`https://stackoverflow.com/questions/48036877/debian-firmware-bug-tsc-deadline-disabled-due-to-errata`
应用这个补丁后，会降低CPU性能。家用不推荐。