Re: linux-next: Tree for Nov 7

From: Michal Hocko
Date: Wed Nov 08 2017 - 09:20:56 EST


Hi,

On Wed 08-11-17 08:52:24, Joel Stanley wrote:
> Hello Michal,
>
> On Tue, Nov 7, 2017 at 3:52 PM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > Hi all,
> >
> > Changes since 20171106:
> >
> > The powerpc tree still had its build failure for which I applied a patch.
> >
> > The crypto tree lost its build failure.
> >
> > The akpm tree still had its build failure for which I reverted a commit.
> >
> > Non-merge commits (relative to Linus' tree): 10912
> > 10165 files changed, 524042 insertions(+), 247066 deletions(-)
>
> I tried to boot this -next tree built for the ARM platform I maintain,
> and it did not make it to userspace. When I revert your patch
> "fs/binfmt_elf.c: drop MAP_FIXED usage from elf_map" the system boots
> as expected.
>
> There are a lot of messages on the way up that look like this:
>
> [ 2.527460] Uhuuh, elf segement at 000d9000 requested but the
> memory is mapped already
> [ 2.540160] Uhuuh, elf segement at 000d9000 requested but the
> memory is mapped already
> [ 2.546153] Uhuuh, elf segement at 000d9000 requested but the
> memory is mapped already
>
> And then trying to run userspace looks like this:

Could you please run with debugging patch posted
http://lkml.kernel.org/r/20171107102854.vylrtaodla63kc57@xxxxxxxxxxxxxx
--
Michal Hocko
SUSE Labs