Re: NULL pointer dereference during memory hotremove

[Pavel Tatashin]

On Fri, May 17, 2019 at 1:22 PM Pavel Tatashin
<pasha.tatashin@xxxxxxxxxx> wrote:
>
> On Fri, May 17, 2019 at 10:38 AM Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> >
> > On Fri 17-05-19 10:20:38, Pavel Tatashin wrote:
> > > This panic is unrelated to circular lock issue that I reported in a
> > > separate thread, that also happens during memory hotremove.
> > >
> > > xakep ~/x/linux$ git describe
> > > v5.1-12317-ga6a4b66bd8f4
> >
> > Does this happen on 5.0 as well?
>
> Yes, just reproduced it on 5.0 as well. Unfortunately, I do not have a
> script, and have to do it manually, also it does not happen every
> time, it happened on 3rd time for me.

Actually, sorry, I have not tested 5.0, I compiled 5.0, but my script
still tested v5.1-12317-ga6a4b66bd8f4 build. I will report later if I
am able to reproduce it on 5.0.

Pasha