# Re: \[5.6.0-rc2-next-20200218/powerpc\] Boot failure on POWER9

- From: Michal Hocko \<mhocko@kernel.org\>
- Date: 2020-03-10 15:01:24 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2020/03/8901522
- Thread: https://ratatoskr.run/linux-next/2020/02/8901448/t.md

```text
On Thu 27-02-20 19:26:54, Michal Hocko wrote:
> [Cc ppc maintainers]
[...]
> Please have a look at http://lkml.kernel.org/r/52EF4673-7292-4C4C-B459-AF583951BA48@linux.vnet.ibm.com
> for the boot log with the debugging patch which tracks set_numa_mem.
> This seems to lead to a crash in the slab allocator bebcause
> node_to_mem_node(0) for memory less node resolves to the memory less
> node http://lkml.kernel.org/r/dd450314-d428-6776-af07-f92c04c7b967@suse.cz.
> The original report is http://lkml.kernel.org/r/3381CD91-AB3D-4773-BA04-E7A072A63968@linux.vnet.ibm.com

ping 
-- 
Michal Hocko
SUSE Labs
```
