Re: Regression with a0747a859ef6 ("bdi: add error handle for bdi_debug_register")

[Bruno Wolff III]

On Fri, Dec 22, 2017 at 21:20:10 +0800,
 weiping zhang <zwp10758@xxxxxxxxx> wrote:
> 2017-12-22 12:53 GMT+08:00 Bruno Wolff III <bruno@xxxxxxxx>:
> > On Thu, Dec 21, 2017 at 17:16:03 -0600,
> >  Bruno Wolff III <bruno@xxxxxxxx> wrote:
> > > Enforcing mode alone isn't enough as I tested that one one machine at home
> > > and it didn't trigger the problem. I'll try another machine late tonight.
> >
> >
> > I got the problem to occur on my i686 machine when booting in enforcing
> > mode. This machine uses raid 1 vua mdraid which may or may not be a factor
> > in this problem. The boot log has a trace at the end and might be helpful,
> > so I'm attaching it here.
> Hi Bruno,
> I can reproduce this issue in my QEMU test VM easily, just add an soft
> RAID1, always trigger
> that warning, I'll debug it later.

Great. When you have a fix, I can test it.