Also, this could be due to a buggy, non-standard script in your initramfs, so please include a full listing of all the scripts under /usr/share/initramfs-tools/scripts/ (ls -lR /usr/share/initramfs-tools/scripts/) in your bug report.
Also, this could be due to a buggy, non-standard script in your initramfs, so please include a full listing of all the scripts under /usr/share/ initramfs- tools/scripts/ (ls -lR /usr/share/ initramfs- tools/scripts/ ) in your bug report.