Comment 225 for bug 330824

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Luke Maurer (luke-maurer) wrote : Re: [Bug 330824] Re: Soft lockups (freezes) when deleting files from ext4 partitions on 2.6.28

Roland Dreier wrote:
>
> Luke Maurer wrote:
> > I've been able to reproduce it 100% reliably (rm a single file => crashy crashy) just in the Jaunty
> > LiveCD environment. AFAIK, the most exotic filesystem hackery it uses is that union filesystem,
> > though I was crashing on deleting something on a separate, non-unionized volume.
>
> Can you give a recipe for how you're able to reproduce it with the
> Jaunty Live CD?

Um, the "rm" command? :-)

Seriously, I boot it up, mount an ext4 volume on a garden-variety disk
partition, and try to delete a file. It hangs (evidently *after*
deleting the file). Every time. (I'm pretty sure I tried an ext4 image
mounted over loopback as well, to no avail.)

I realize it's a decidedly extreme case of the bug, but besides the
ease of reproduction, the symptoms are identical to those reported
here.

- Luke