Comment # 8 on bug 1200781 from Rainer Hurtado Navarro

(In reply to Oliver Neukum from comment #7)
> (In reply to Takashi Iwai from comment #6)
> > Could you check with the latest kernel in OBS Kernel:SLE15-SP4 repo?
> >  https://download.opensuse.org/repositories/Kernel:/SLE15-SP4/pool/
> 
> If that does not work, please try the original kernel with
> usbcore.autosuspend=-1
> on the kernel command line.

I'm not familiar with the new GRUB 2 command line at boot time.

I was not able to load the kernel, before "boot".

There is no help in
https://doc.opensuse.org/documentation/leap/reference/html/book-reference/cha-grub2.html.