The root error in your log appears to be:
Feb 27 18:05:02 ubuntu ubiquity: update-initramfs: Generating
/boot/initrd.img-5.8.0-25-generic
Feb 27 18:05:08 ubuntu kernel: [ 434.996976] EXT4-fs error (device sda2):
ext4_lookup:1707: inode #3675785: comm cryptroot: iget: checksum invalid
Feb 27 18:05:08 ubuntu kernel: [ 434.997716] Aborting journal on device sda2-8.
Feb 27 18:05:08 ubuntu kernel: [ 434.998398] EXT4-fs (sda2): Remounting
filesystem read-only
What options are you choosing when installing?
** Changed in: ubiquity (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1917167
Title:
Can't install 18.04, 20.04, 21.10 on the desktop. 16.04 installation
is OK.
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