Looking at the dmesg log, it seems that the ubuntu image or device you're installing from is corrupt:
[ 7412.559612] SQUASHFS error: zlib decompression failed, data probably corrupt [ 7412.559621] SQUASHFS error: squashfs_read_data failed to read block 0x3b6a61 ** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1785531 Title: i dont know what to write here. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1785531/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
