I have a CentOS7 system, and I built a 4.14.29 kernel for it, created an initrd for it - just as I have many, many other times. When I now do this (going from a 4.11 to a 4.14.29 kernel) - I am seeing my root filesystem also getting mounted over /usr. It only happens with the 4.14 kernel, though I susspect that it is the actual initramfs that is doing it.
During initrd - I see:
[ OK ] Reached target Remote File Systems.
Mounting /sysroot...
[ OK ] Mounted /sysroot.
Mounting /sysroot/usr...
[ OK ] Mounted /sysroot/usr.
[ OK ] Reached target Initrd Root File System.
Starting Reload Configuration from the Real Root...
[ OK ] Started Reload Configuration from the Real Root.
[ OK ] Reached target Initrd File Systems.
There should only be a "root" filesystem. There is nothing that is supposed to mount at /usr, and certainly nothing in /etc/fstab that should make it do so. So I don't know why it would be mounting a /sysroot/usr. I even explicitly removed the usrmount dracut module - no difference.
Furhermore, it should't be re-mounting the "root" filesystem here. The root filesystem is a /dev/mapper LVM device.
Any idea what would cause this, and how to fix it? (P.S. I cannot get int Dracut emergency shell for some odd reason...)
