------- Comment From [email protected] 2018-03-28 09:11 EDT-------
(In reply to comment #6)
> I built a test kernel with commit e4b79900222b8cccd4da4a7a89581f from
> linux-next.  The test kernel can be downloaded from:
> http://kernel.ubuntu.com/~jsalisbury/lp1759312
>
> Can you test this kernel and see if it resolves this bug?

Hi. Thanks, it works fine solving the issue:

gromero@ltc-wspoon3:~$ LD_SHOW_AUXV=1 /bin/true | egrep 
"AT_BASE_PLATFORM|AT_PLATFORM"
AT_PLATFORM:     power9
AT_BASE_PLATFORM:power9
gromero@ltc-wspoon3:~$ lscpu | fgrep Model # It's a baremetal
Model:               2.2 (pvr 004e 1202)
Model name:          POWER9, altivec supported
gromero@ltc-wspoon3:~$ uname -a
Linux ltc-wspoon3 4.13.0-37-generic #42~lp1759312 SMP Tue Mar 27 21:49:09 UTC 
2018 ppc64le ppc64le ppc64le GNU/Linux

> Note, to test this kernel, you need to install both the linux-image and
> linux-image-extra .deb packages.

Out of curiosity, why linux-image-extra is necessary? I mean, why not
bundle all that's in there into linux-image? I know it's this way for
the previous kernels but I don't know when it first appeared... nor the
rationale behind it... :-)

Thank you.

Cheers,
Gustavo

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https://bugs.launchpad.net/bugs/1759312

Title:
  AT_BASE_PLATFORM in AUXV is absent on kernels available on Ubuntu
  17.10

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