Now I split the file system of the installed system in /dev/sda5, and it
was corrupted, when when installing Kubuntu bionic (actually from the
first point release, the kubuntu-18.04.1-desktop-amd64.iso file) into
/dev/sda6.
These two last installs were made in Swedish, 'alongside', and in both
cases finished by reboot, when the installer finished.
This time I repaired the file system of /dev/sda5 from the installed
system in /dev/sda6, and after that it works again. This time the bash
history survived after repairing, so some other file(s) resided in the
bad inodes.
---
tester@tester-SATELLITE-PRO-C850-19W:~$ sudo e2fsck -f /dev/sda5
e2fsck 1.44.1 (24-Mar-2018)
/dev/sda5: återhämtar journalen
Pass 1: Kontrollerar inoder, block och storlekar
Utsträckningsblocken för inod 25021 klarar kontroller, men kontrollsumman
stämmer inte med utsträckningarna
(logiskt block 9, fysiskt block 4806166, längd 1)
Fixa<j>? ja
Pass 2: Kontrollerar katalogstruktur
Pass 3: Kontrollerar katalogförbindelser
Pass 4: Kontrollerar referensräknare
Pass 5: Kontrollerar gruppsammanfattningsinformation
Antal fria inoder är fel (1782394, räknade=1782393).
Fixa<j>? ja
/dev/sda5: ***** FILSYSTEMET MODIFIERADES *****
/dev/sda5: 200071/1982464 filer (0.1% ej sammanhängande), 2110951/7909704 block
tester@tester-SATELLITE-PRO-C850-19W:~$
---
Conclusion:
Installing both the first point release and the current daily iso file
are affected by this bug. It seems that some but not all previous
systems (and their versions of ext4 file systems) are affected. When the
previous system is Bionic it is affected, which is bad enough to make
this bug relevant.
** Attachment added: "The same symptom as last time (but in Swedish)"
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1783757/+attachment/5173511/+files/temp.txt
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https://bugs.launchpad.net/bugs/1783757
Title:
shrinking previous file systems makes them corrupted
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