系統crash無法啟動 tpm error / couldn’t read size 0x8000000e

原文連接:
https://unix.stackexchange.com/questions/305719/a-tpm-error-7-occurred-attempting-to-read-a-pcr-value-in-centos

內容：

問題：
I’m getting this error while booting and my computer won’t start.

a tpm error (7) occurred attempting to read a pcr value

I installed CentOS 7 on a z400 workstation computer. I was working on it and mounted a USB device from terminal and rebooted the computer, then this problem occurred.

解決方法：
n case if somebody facing this issue in the boot time , the bellow steps fixes my issue :

first of all I was getting that error Message while booting :

a tpm error (7) occurred attempting to read a pcr value
and I’ve fixed it by :

within your grub menu choose

Advanced options for ubuntu
from the list which will pop up choose the recovery mood :

Ubuntu, with linux x.x.x.x (recovery mood)
you will boot your system in the recovery mood, which will pop up some errors to you.

one of those errors in checking your file system :

failure file system check of the root filesystem failed
…
The root filesystem on /dev/sdaX requires a manual fsck

in my case it was /dev/sda2 ,

you need then to run the following command :

fsck -y /dev/sdaX

while sdaX is your boot driver.
一般就是sda1:

fsck -y /dev/sda1

a lot of prompts will ask you about fixing the issue,

hit yes for all those messages , after you finishing the fix , reboot your system :

reboot

and it should works fine.

總結下來就是,

1. 查看磁盤
2. 修復磁盤
3. 重啟

fd
fsck -y /dev/sda1
reboot

總結

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