Hi Christop & Welcome to the forums ^_^,
I have tried using the !errec extension on my dump files and am getting the message "No export errec found".
Are you running the correct command? The correct command is
!errrec instead of
!errec. Also, are you passing the correct argument that is the second parameter of the dump file?
Like you said, there is a problem of Timeout in the Translation Lookaside Buffer and the most recent most dump says that there is a problem in the L0 cache of the CPU -
The L0 Cache is consistent in the errors.
Furthermore, there is a very high chance that there is a problem with the CPU since most of the 0x124 are related to hardware.
Since you don't have much installed on the system, I would suggest you to take the laptop to the Customer Care and get it checked.
-Pranav