Nope. It's an old laptop (Intel 4415U). Mystery solved then :D
> grep -i avx /proc/cpuinfo >
I can't run the precompiled binary nor the appimage nor quickloading from source. Same error on all:
fatal error encountered in SBCL pid 522156 tid 522170: Unhandled SIGILL at 0x7f77aa185a20.
ldb backtrace shows
ldb> ba Backtrace: 0: fp=0x1 pc=0x7f77aa185a20 Foreign function _ZN5utils2io7ostream6BufferC1Ev