If you look into your 'JournalErrors.txt' file, you will find several
entries like this:
Mar 26 16:17:03 hostname kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0
action 0x0
Mar 26 16:17:03 hostname kernel: ata1.00: BMDMA stat 0x25
Mar 26 16:17:03 hostname kernel: ata1.00: failed command: READ DMA
Mar 26 16:17:03 hostname kernel: ata1.00: cmd
c8/00:08:90:17:01/00:00:00:00:00/e1 tag 0 dma 4096 in
res
51/40:03:95:17:01/00:00:00:00:00/e1 Emask 0x9 (media error)
Mar 26 16:17:03 hostname kernel: ata1.00: status: { DRDY ERR }
Mar 26 16:17:03 hostname kernel: ata1.00: error: { UNC }
Mar 26 16:17:03 hostname kernel: print_req_error: I/O error, dev sda, sector
16848789
Mar 26 16:17:03 hostname kernel: EXT4-fs error (device sda1):
ext4_find_entry:1431: inode #526556: comm install.py: reading directory lblock 0
These mean, there have been serious SATA/storage errors.
The most likely cause of this is a bad harddrive with defect sectors. ->
Replace your harddrive.
In rare(!) cases this could also be a faulty harddisk connector (re-plug the
disk and wiggle internal connection cables if there are any) or a faulty
controller (Would be your worst-case, since it means you need to replace the
mainboard)
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https://bugs.launchpad.net/bugs/1758934
Title:
I cannot install Lubuntu cause there a problem installation of a root
file in the end of installation
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