On Thu, Jul 04, 2019 at 10:24:50PM +1000, Stephen Rothwell wrote: > Hi all, > > 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? And from a recent syzbot report, I don't think you are alone, as I saw the messages showing up there too... thanks, greg k-h