[Bug 606889] [NEW] fsck "recovers" ext4 data that reappears after reboot

[10111]

Public bug reported:

I just had a really strange behavior here that is really hard to
describe and find a summary for:

I bootet my computer, fsck told me my /home's ext4 partition was
corrupt. It ask me whether to recover myself or automatically. I had it
recover automatically. It did so, the desktop bootet and soon I found
out: my pidgin config, my latest firefox bookmarks, my evolution config
was gone / broken. And all the files I had created yesterday were gone,
too. My lost+found folder was filled with gconf xml files and firefox
cache files (flash apples, images, css, ...). I'm not sure whether all
the files broken / gone were there but at least I found some that were
promising (for example my evolution config).

So I copied the lost+found and tried to recover my files. There were
lots of files and after a while I thought: Well, maybe fsck can do
something here for me, let's reboot in single user mode and run fsck
manually on the /home partition.

I did so and fsck said everything was clean. I forced a check, but still
no issues. I was disappointed because I thought I had to recover my lost
files from lost+found myself, so I mounted /home and finished the boot.

And then I found out: Everything was ok again! Nothing is missing, all
files are back where they were! My latest created files, my configs, ...
Everything works fine again! But all the things I have done trying to
recover my "lost" files were undone.

What happend here!? Did anyone have the same bug in the past? Any
explainations? This bug is really really strange!

(I backupped all the /var/log when all the files were back - what do you
need?)

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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fsck "recovers" ext4 data that reappears after reboot
https://bugs.launchpad.net/bugs/606889
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