Comment # 10 on bug 1212629 from Rainer Hurtado Navarro

(In reply to Takashi Iwai from comment #2)
> Some packages might tune the parameters for power-saving, and it might
> change the behavior, too.  For example, tlp is notorious about too
> aggressive setups.
> 
> Please give the hwinfo output from both working (Live image) and non-working
> (installed Leap 15.5) systems.  Take the dmesg outputs on both, and attach
> all outputs to Bugzilla.

But I do think that it is power management related, because the issue is more
likely to occur when the laptop is un-plugged to AC/DC (it is powered by
battery).