Hi Greg,

On Sat, 6 Jul 2019 10:34:33 +0200 Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>
> On Thu, Jul 04, 2019 at 10:24:50PM +1000, Stephen Rothwell wrote:
> > 
> > This release produces a whole lot (over 200) of this message in my qemu
> > boot tests:
> > 
> > [    1.698497] debugfs: File 'sched' already present!
> > 
> > Introduced by commit
> > 
> >   43e23b6c0b01 ("debugfs: log errors when something goes wrong")
> > 
> > from the driver-core tree.  I assume that the error(?) was already
> > happening, but it is now being reported.  
> 
> What are you passing to qemu to get this?  I just tried it myself and
> see no error reports at all.  Have a .config I can use to try to
> reproduce this?

It is a powerpc pseries_le_defconfig kernel and I run qemu like this:

qemu-system-ppc64 -M pseries -m 2G -vga none -nographic -kernel vmlinux -initrd rootfs.cpio.gz

> And from a recent syzbot report, I don't think you are alone, as I saw
> the messages showing up there too...

I feel less lonely, now :-)
-- 
Cheers,
Stephen Rothwell