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SubjectRe: linux-next: Tree for Nov 7
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.

Cheers,

Joel
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