[Unionfs] Panic in unionfs 2.2.4

[Erez Zadok]

In message <20039261.770751207087995784.JavaMail.root at tahiti.vyatta.com>, Bob Gilligan writes:
> 
> ----- "Erez Zadok" <ezk at cs.sunysb.edu> wrote:
> > In message
> > <20286507.735771206579536200.JavaMail.root at tahiti.vyatta.com>, Bob
> > Gilligan writes:
> > [...]
> > > And I see the panic too in unionfs-2.3.1 running on our 2.6.23
> > kernel.  It is the same panic signature as before:  BUG at
> > include/linux/dcache.h:322
> > > 
> > > I've filed a bug report on the problem:
> > > 
> > > https://bugzilla.filesystems.org/show_bug.cgi?id=611
> > > 
> > > Bob.
> > 
> > Bob, below is a fix to your bug #611.  Please verify it on your
> > setup.
> > Thanks for the step-by-step tickle-the-bug script: it was very
> > helpful.
> > 
> > Lucas, and others who've seen similar bugs, please let me know if the
> > small
> > patch below fixes your oopses or not.
> > 
> > Thanks,
> > Erez.
> > 
> 

> That patch seems to have done the trick!  I tried the sequence of shell
> commands that previously triggered the problem in our 2.6.23 kernel and
> got no panic.  I also tried the sequence of commands in the Vyatta config
> system (which uses unionfs) that tickled the problem, and can't reproduce
> the panic that way either  Thanks for the fix!
> 
> Bob.

Good to know.  I'll close bug 611.

Erez.