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For the second time I experienced a strange behaviour on my Ubuntu 10.04 box: some files are disappearing.

The first time happened with a NTFS partition on an external usb disk: "disk utility" told me that it had bad sectors in it and thus it was unreadable but, after a reformat of the disk, it was recognized succesfully.

The last time it happened with a ext4 partition: my home folder was almost completely wiped out; fortunately enough I use to store backups of my files, so I restored them but I can't figure out why I'm encountering those kind of situations.

So I assume that the problem is not really a matter of bad sectors (two different hard disks, that after the restore are working fine).

What am I supposed to do in order to debug/resolve the issue?

NOTE: the OS is a former Ubuntu Studio 9.10, upgraded to 10.04.

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Open a console and run badblocks as well as fsck.ext4. Do those programs report errors? – qbi Sep 17 '10 at 22:56
Run a memory test. Mysterious crashes and filesystem corruption can be symptoms of bad RAM. – Gilles Sep 18 '10 at 0:08
up vote 2 down vote accepted

maybe this issue can be related with your problem, I was having a issue with kernel 2.35.14 it seemed like my hd had stoped to work but the problem was the kernel bug that I solved by upgrading it.

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