2017-03-13 10:06:21

by Anton Blanchard

Subject: 5-level pagetable patches break ppc64le

Hi,

My ppc64le boot tests stopped working as of commit c2febafc6773 ("mm:
convert generic code to 5-level paging")

We hang part way during boot, just before bringing up the network. I
haven't had a chance to narrow it down yet.

Anton

2017-03-13 11:27:31

by Kirill A. Shutemov

Subject: Re: 5-level pagetable patches break ppc64le

On Mon, Mar 13, 2017 at 09:05:50PM +1100, Anton Blanchard wrote:
> Hi,
>
> My ppc64le boot tests stopped working as of commit c2febafc6773 ("mm:
> convert generic code to 5-level paging")
>
> We hang part way during boot, just before bringing up the network. I
> haven't had a chance to narrow it down yet.

Please check if patch by this link helps:

http://lkml.kernel.org/r/[email protected]

--
Kirill A. Shutemov

2017-03-13 20:42:29

by Anton Blanchard

Subject: Re: 5-level pagetable patches break ppc64le

Hi Kirill,

> > My ppc64le boot tests stopped working as of commit c2febafc6773
> > ("mm: convert generic code to 5-level paging")
> >
> > We hang part way during boot, just before bringing up the network. I
> > haven't had a chance to narrow it down yet.
>
> Please check if patch by this link helps:
>
> http://lkml.kernel.org/r/[email protected]

It does fix the ppc64le boot hangs, thanks.

Tested-by: Anton Blanchard <[email protected]>

Anton