[Bug 94001] [APL/KBL/BSW/BDW/SKL/IVB/BYT] igt/gem_exec_reloc subtests fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94001

--- Comment #52 from cprigent <christophe.prigent at intel.com> ---
Created attachment 130385
  --> https://bugs.freedesktop.org/attachment.cgi?id=130385&action=edit
SKL__gem_exec_reloc__gtt-32__without_CONFIG_TRANSPARENT_HUGEPAGE__kern.log

(In reply to Chris Wilson from comment #51)
> Could you disable Transparent Huge Page support
> (CONFIG_TRANSPARENT_HUGEPAGE) and retest? Noticed anon_thp: 3424228kB which
> I wonder if that is what is causing the mempressue.

Tested on SKL twice, I'm reproducing it (new kernel log attached).
While checking my kernel config I saw:
$ cat /boot/config-$(uname -r) |grep TRANSPARENT_HUGEPAGE
  CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
  CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD=y
  # CONFIG_TRANSPARENT_HUGEPAGE is not set
Should I deactivate all of them?

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