Bug#616689: Root-on-LVM setup fails often due to timing issues
Hi. I too stumbled with this bug. In my experience I have to
manually type vgchange -a y every time it boots. Then CTRl-D.
I tried adding the suggestions to grub, but it didn't work.
Maybe I just missed something ?
and added this:
I also tried this:
then I run update-grub. I checked the grub command line when
booting and the options were there.