I went a bit further and tried hibernate. If I hibernate closing the lid it's even more strange:
I boot, I can see the normal console messages then the backlight goes off. I hit the key combination to change the brightness and I have backlight again.
I went a bit further and tried hibernate. If I hibernate closing the lid it's even more strange:
I boot, I can see the normal console messages then the backlight goes off. I hit the key combination to change the brightness and I have backlight again.