Re: kernel BUG at fs/ext/super.c:428

[Theodore Tso]

On Wed, Jan 14, 2009 at 08:29:37PM +0100, Peter Zijlstra wrote:
> > 38d47c1b7075bd7ec3881141bb3629da58f88dab is first bad commit
> > commit 38d47c1b7075bd7ec3881141bb3629da58f88dab
> > Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> > Date:   Fri Sep 26 19:32:20 2008 +0200
> > 
> >     futex: rely on get_user_pages() for shared futexes
> >     
> >     On the way of getting rid of the mmap_sem requirement for shared futexes,
> >     start by relying on get_user_pages().
> >     
> >     Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> >     Acked-by: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
> >     Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
> > 
> However does a futex change make ext3 crap its pants?

I agree, this doesn't make much sense.  I've looked at the patch, and
I don't see how this would cause an ext3 orphaned-inode list handling
problem

Are you sure the bisect was done correctly?  Have you tried reverting
that one commit, or otherwise conclusively shown that a kernel with
this commit fails, and one without this commit works just fine?

     	    	       	   	   	- Ted
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