[Trisquel-users] Re : Libreboot x60 always at 100% cpu usage

[lcerf]

Indeed. I suspect a malfunctioning device making udev constantly write lines  
in a log file. See what 'dmesg' (in a terminal) has to say.

In fact, your problem looks a lot like  
https://trisquel.info/forum/wifi-card-no-more-supported-trisquel-7 ... which  
has not been solved.