In the kernel comments PARTUUID is shown using uppercase A-F:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/init/do_mounts.c?id=HEAD#n183
However, dracut tries to use the value of PARTUUID directly in
/dev/disks/by-partuuid/ which expects the hex to be lowercase. This will
cause root to never be found, oops!
Fix dracut so it can, like the Kernel, accept either casing.
Untested but I added a hack on my local system that was similar.
---
modules.d/95rootfs-block/module-setup.sh | 1 +
modules.d/95rootfs-block/parse-block.sh | 6 +++++-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/modules.d/95rootfs-block/module-setup.sh
b/modules.d/95rootfs-block/module-setup.sh
index 0c7701d..6167beb 100755
--- a/modules.d/95rootfs-block/module-setup.sh
+++ b/modules.d/95rootfs-block/module-setup.sh
@@ -31,6 +31,7 @@ depends() {
install() {
dracut_install umount
+ dracut_install tr
if ! dracut_module_included "systemd"; then
inst_hook cmdline 95 "$moddir/parse-block.sh"
inst_hook pre-udev 30 "$moddir/block-genrules.sh"
diff --git a/modules.d/95rootfs-block/parse-block.sh
b/modules.d/95rootfs-block/parse-block.sh
index 0a23ac7..1d88ceb 100755
--- a/modules.d/95rootfs-block/parse-block.sh
+++ b/modules.d/95rootfs-block/parse-block.sh
@@ -10,11 +10,15 @@ case "$root" in
rootok=1 ;;
block:UUID=*|UUID=*)
root="${root#block:}"
+ root="${root#UUID=}"
+ root="$(echo $root | tr "[:upper:]" "[:lower:]")"
root="block:/dev/disk/by-uuid/${root#UUID=}"
rootok=1 ;;
block:PARTUUID=*|PARTUUID=*)
root="${root#block:}"
- root="block:/dev/disk/by-partuuid/${root#PARTUUID=}"
+ root="${root#PARTUUID=}"
+ root="$(echo $root | tr "[:upper:]" "[:lower:]")"
+ root="block:/dev/disk/by-partuuid/${root}"
rootok=1 ;;
block:PARTLABEL=*|PARTLABEL=*)
root="${root#block:}"
--
1.7.12.4
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