Re: Apparent serious progressive ext4 data corruption bug in 3.6 (when rebooting during umount)

[Nix]

On 25 Oct 2012, Theodore Ts'o stated:
> Also, can you reproduce the problem with the nobarrier and
> journal_async_commit options *removed*?  Yes, I know you have battery
> backup, but it would be interesting to see if the problem shows up in
> the default configuration with none of the more specialist options.
> (So it would probably be good to test with journal_checksum removed as
> well.)

I'm going to spend some time after work today trying to reproduce this
in a virtual machine. If rebooting while umounting is truly all it
takes, as it seems, this should eliminate a bunch of variables and make
it a lot easier to reproduce. (Assuming Eric hasn't already done just
that, that is.)

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