Comment # 3 on bug 1226232 from Gui Do

(In reply to Takashi Iwai from comment #2)
> Do you see any relevant kernel messages indicating crash or such?
> It's difficult to diagnose without logs, unfortunately.

Unfortunately it is not possible to add logs because of the freezing and hard
rebooting there are no logs written.

> In anyway, try the kernel in OBS Kernel:SLE15-SP6 repo
>   http://download.opensuse.org/repositories/Kernel:/SLE15-SP6/pool/
> 
> It's the build from the latest git branch, and some fixes might have been
> already included.

Maybe it not the kernel only. I was booting the last kernel from Leap 15.5
(kernel 5.14) and the problem exists, too. So I think it is a issue with Leap
15.6 in general.