Re: NULL pointer dereference during memory hotremove

From: Pavel Tatashin
Date: Fri May 17 2019 - 13:24:23 EST


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.

Pasha