linux-kernel - Re: linux-next: Tree for Nov 7

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Date:   Wed, 8 Nov 2017 15:20:50 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Joel Stanley <joel@....id.au>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for Nov 7

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@...b.auug.org.au> 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@dhcp22.suse.cz
-- 
Michal Hocko
SUSE Labs