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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL/KBL/BSW/BDW/SKL/IVB/BYT] igt/gem_exec_reloc subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94001#c52">Comment # 52</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL/KBL/BSW/BDW/SKL/IVB/BYT] igt/gem_exec_reloc subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94001">bug 94001</a>
from <span class="vcard"><a class="email" href="mailto:christophe.prigent@intel.com" title="cprigent <christophe.prigent@intel.com>"> <span class="fn">cprigent</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=130385" name="attach_130385" title="SKL__gem_exec_reloc__gtt-32__without_CONFIG_TRANSPARENT_HUGEPAGE__kern.log">attachment 130385</a> <a href="attachment.cgi?id=130385&action=edit" title="SKL__gem_exec_reloc__gtt-32__without_CONFIG_TRANSPARENT_HUGEPAGE__kern.log">[details]</a></span>
SKL__gem_exec_reloc__gtt-32__without_CONFIG_TRANSPARENT_HUGEPAGE__kern.log
(In reply to Chris Wilson from <a href="show_bug.cgi?id=94001#c51">comment #51</a>)
<span class="quote">> 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.</span >
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?</pre>
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