Messages in this thread | | | From | Naresh Kamboju <> | Date | Thu, 2 Jul 2020 21:28:05 +0530 | Subject | Re: PANIC: mm: memcg/slab: percpu_ref_put_many - Unable to handle kernel paging request at virtual address ffff80096d78f000 |
| |
On Wed, 1 Jul 2020 at 13:49, Michal Hocko <mhocko@kernel.org> wrote: > > On Wed 01-07-20 13:24:54, Naresh Kamboju wrote: > > While running LTP mm test suite on arm64 Juno device the kernel panic > > noticed on linux-next 20200630 tag. > > Can you try to bisect? The new memcg slab allocator series sounds like a > potential candidate. One of the patches has changed the memcg reference > counting which is showing up on the stack. This might be a side effect > of something else of course but bisection would tell us more.
The reported problem is fixed by a patch proposed in this email thread. https://lore.kernel.org/linux-mm/20200701184552.GA61684@carbon.DHCP.thefacebook.com/
- Naresh
> > Thanks > > -- > Michal Hocko > SUSE Labs
| |