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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [BYT BAT IGT] GT register access while GT waking disabled"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=93121#c15">Comment # 15</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [BYT BAT IGT] GT register access while GT waking disabled"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=93121">bug 93121</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=121442" name="attach_121442" title="4.4.0_pm-rpm_byt-m_kern.log">attachment 121442</a> <a href="attachment.cgi?id=121442&action=edit" title="4.4.0_pm-rpm_byt-m_kern.log">[details]</a></span>
4.4.0_pm-rpm_byt-m_kern.log

I reproduce it by executing pm_rpm

Tested with:
Hardware 
Platform : Bay Trail M
CPU : Intel(R) Celeron(R) CPU  N2930  @ 1.83GHz (family: 6, model: 55 stepping:
8)
SoC : VLV C0
CRB : Bayley Bay Fab3 Rev 03
Software
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.4.0 8114b00 from
<a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a>  
BIOS : BBAYCRB1.X64.0100.R21.1406301530
drm: tag libdrm-2.4.66 e342c0f from <a href="http://cgit.freedesktop.org/mesa/drm/">http://cgit.freedesktop.org/mesa/drm/</a>
mesa: tag mesa-11.0.8 261daab from <a href="http://cgit.freedesktop.org/mesa/mesa/">http://cgit.freedesktop.org/mesa/mesa/</a>
cairo: tag 1.15.2 db8a7f1 from <a href="http://cgit.freedesktop.org/cairo">http://cgit.freedesktop.org/cairo</a>
waffle: master bb29b2a from <a href="https://github.com/waffle-gl/waffle">https://github.com/waffle-gl/waffle</a>
xorg-server-macros: master d7acec2 from
git://git.freedesktop.org/git/xorg/util/macros
libva: tag libva-1.6.1 cb418f6 from <a href="http://cgit.freedesktop.org/libva/">http://cgit.freedesktop.org/libva/</a>
vaapi-intel-driver: tag 1.6.1 2110b3a from
<a href="http://cgit.freedesktop.org/vaapi/intel-driver">http://cgit.freedesktop.org/vaapi/intel-driver</a>
intel-gpu-tool: tag intel-gpu-tools-1.13 51e965f from
<a href="http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/">http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/</a></pre>
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