Comment 1 for bug 1520575

the same here, the new version of casper is not working properly:

there is not only problem with assembling root FS as reported above, but I am also not able to boot with persistent boot cmd:

reproduce:

-syslinuxed vfat USB stick: /casper/filesystem.squashfs,initrd.gz,vmlinuz
-persistent keyword on cmdline
-boot ends up in busybox

without "persistent" keyword, system boots ok

CAUSE:

initramfs-tools/scripts/casper: find_cow_device() called from setup_unionfs("/cdrom/casper","/root"), unmounts previously mounted /cdrom during scanning for casper-rw; /cdrom/casper/filesystem.squashfs is then not accessible for mount ...