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SubjectRe: kernel BUG at fs/ext/super.c:428
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On Wed, 2009-01-14 at 11:16 -0800, Pallipadi, Venkatesh wrote:
> On Tue, Jan 13, 2009 at 08:40:59PM -0800, Theodore Tso wrote:
> > On Wed, Jan 14, 2009 at 02:48:13AM +0000, Arjan van de Ven wrote:
> > >> Well, Arjan's commit, efaee192: "async: make the final inode deletion
> > >> an asynchronous event", does change how inodes get deleted, and this
> > >> looks like a race where an inode is getting deleted during the umount.
> > >>
> > >> So I would try reverting commit efaee192 and see if it fixes things
> > >> before starting a full bisect...
> > >
> > > the commit is already reverted before rc1
> > >
> >
> > Ah, right. I see, the async infrastructure is still in fs/super.c,
> > but the actual code to insert deleted inodes onto the s_async_list was
> > removed in commit b32714b. Sorry, that confused me.
> >
> > OK, so assuming that Venkatesh was using something post-rc1, I can't
> > suggest anything other than a full bisect. Sorry....
> >
>
> Below is the result of full bisect
>
> 38d47c1b7075bd7ec3881141bb3629da58f88dab is first bad commit
> commit 38d47c1b7075bd7ec3881141bb3629da58f88dab
> Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
> 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@chello.nl>
> Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
>
> :040000 040000 029e79e0a7421438c2a7437dd210a1acf40b6c29 b581716762c1952c0f515fac642690514e7224b7 M include
> :040000 040000 5f604b60974dbb9b0ac1a0910234f28c43a5e691 10c576cabe7eae661501ec38861a0f7488d5353b M kernel

However does a futex change make ext3 crap its pants?

Is there anything more to it than start the machine, and reboot?



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