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From: Andrew Morton <akpm@linux-foundation.org>
To: Joel Stanley <joel@jms.id.au>
Cc: Michal Hocko <mhocko@kernel.org>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Linux-Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: Tree for Nov 7
Date: Mon, 13 Nov 2017 16:03:14 -0800
Message-ID: <20171113160314.9924b06b389d9055f00d6a81@linux-foundation.org> (raw)
In-Reply-To: <CACPK8Xe5uUKEytkRiszdX511b_cYTD-z3X=ZsMcNJ-NOYnXfuQ@mail.gmail.com>

On Sun, 12 Nov 2017 11:38:02 +1030 Joel Stanley <joel@jms.id.au> wrote:

> On Fri, Nov 10, 2017 at 11:00 PM, Michal Hocko <mhocko@kernel.org> wrote:
> > Hi Joel,
> >
> > On Wed 08-11-17 15:20:50, Michal Hocko wrote:
> > [...]
> >> > 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
> >
> > Did you have chance to test with this debugging patch, please?
> 
> Lots of this:
> 
> [    1.177266] Uhuuh, elf segement at 000d9000 requested but the
> memory is mapped already, got 000dd000
> [    1.177555] Clashing vma [dd000, de000] flags:100873 name:(null)
> 
> Full log is attached.
> 
> If you want to reproduce yourself and have an arm compiler lying around:
> 
> $ ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- make aspeed_g5_defconfig
> $ ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- make
> $ qemu-system-arm -M ast2500-evb -nographic -nodefaults -serial stdio \
>   -kernel arch/arm/boot/zImage \
>   -dtb arch/arm/boot/dts/aspeed-ast2500-evb.dtb
> 
> I'm using Qemu 2.10 which current distros ship. ymmv with older releases.

(wakes up)

Does this kernel have "fs/binfmt_elf.c: drop MAP_FIXED usage from
elf_map" applied?  That patch was dropped due to runtime issues.

  parent reply index

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-07  5:22 Stephen Rothwell
2017-11-07 22:22 ` Joel Stanley
2017-11-08 14:20   ` Michal Hocko
2017-11-10 12:30     ` Michal Hocko
2017-11-12  1:08       ` Joel Stanley
2017-11-13  9:20         ` Michal Hocko
2017-11-13  9:34           ` Russell King - ARM Linux
2017-11-13  9:42           ` Michal Hocko
2017-11-13 11:34             ` Michael Ellerman
2017-11-13 12:00               ` Michal Hocko
2017-11-13 15:16                 ` Michal Hocko
2017-11-13 15:48                   ` Russell King - ARM Linux
2017-11-13 15:59                     ` Michal Hocko
2017-11-13 15:49                   ` Michal Hocko
2017-11-13 16:06                     ` Michal Hocko
2017-11-13 16:35                       ` Khalid Aziz
2017-11-14  7:07                         ` Michal Hocko
2017-11-14  9:18                       ` Michael Ellerman
2017-11-14  9:29                         ` Michal Hocko
2017-11-14  9:02                   ` Michael Ellerman
2017-11-14  8:54                 ` Michael Ellerman
2017-11-14  9:04                   ` Michal Hocko
2017-11-14 14:52                     ` Khalid Aziz
2017-11-13 14:11           ` Michal Hocko
2017-11-13 15:09             ` Russell King - ARM Linux
2017-11-13 15:31               ` Michal Hocko
2017-11-14  0:03         ` Andrew Morton [this message]
2017-11-14  0:36           ` Stephen Rothwell
  -- strict thread matches above, loose matches on Subject: below --
2019-11-07  8:07 Stephen Rothwell
2018-11-07  3:16 Stephen Rothwell
2013-11-07  7:31 Stephen Rothwell
2012-11-07  5:15 Stephen Rothwell

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