I decided to (re)install version 18.04 with the debug = vc option to see how it works when everything is working properly.
+ check_dev /sys/block/sda/sda29 + sysdev=/sys/block/sda/sda29 + devname= + skip_uuid_check= + [ -z ] + sys2dev /sys/block/sda/sda29 + sysdev=/block/sda/sda29 + udevadm info -q name -p /block/sda/sda29 + echo /dev/sda29 + devname=/dev/sda29 + [ -d /dev/sda29 ] + [ -e /dev/sda29 ] + [ -n ] + get_fstype /dev/sda29 + local FSTYPE + local FSSIZE + fstype + eval FSTYPE=unknown FSSIZE=0 + FSTYPE=unknown FSSIZE=0 + [ unknown != unknown ] + /sbin/blkid -s TYPE -o value /dev/sda29 + fstype=vfat + is_supported_fs vfat + fstype=vfat + return 0 + blkid -o value -s UUID /dev/sda29 + devuid=BA02-088B + [ -n BA02-088B ] + grep -qs \<BA02-088B\> /tmp/tried + mount -t vfat -o ro,noatime /dev/sda29 /cdrom + [ -n BA02-088B ] + echo BA02-088B + is_casper_path /cdrom + path=/cdrom + [ -d /cdrom/casper ] + echo /cdrom/casper/filesystem.squashfs + [ /cdrom/casper/filesystem.squashfs != /cdrom/casper/*.squashfs ] + return 0 we see very well the comparison made. it is good. So I have a track to start searching. ubuntu@ubuntu:/cdrom/.disk$ cat info Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180403)ubuntu@ubuntu:/cdrom/.disk$ ubuntu@ubuntu:/cdrom/.disk$ ubuntu@ubuntu:/cdrom/.disk$ cat casper-uuid-generic a456d72e-7494-41c2-bbd6-effdaf3862f6 ubuntu@ubuntu:/cdrom/.disk$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1784221 Title: unable to find a medium containing a live file system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1784221/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
