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SubjectRe: linux-next: Tree for Nov 7
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.

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