File grub2-zipl-setup-fix-btrfs-multipledev.patch of Package grub2.14515
--- util/s390x/zipl2grub.pl.in | 4 ++++ 1 file changed, 4 insertions(+) --- a/util/s390x/zipl2grub.pl.in +++ b/util/s390x/zipl2grub.pl.in @@ -384,6 +384,10 @@ while ( <IN> ) { } else { $v = ""; } + if ($k eq "GRUB_DEVICE" && $v !~ /^UUID/ && ! -e $v) { + s{root=\@$k\@}{}g; + next; + } s{\@$k\@}{$v}g; } Info( 3, $_);