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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [skl] GPU HANG: ecode 9:0:0x85dffffb, in Bastion"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=104416#c2">Comment # 2</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [skl] GPU HANG: ecode 9:0:0x85dffffb, in Bastion"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=104416">bug 104416</a>
              from <span class="vcard"><a class="email" href="mailto:zmiy.maryna@gmail.com" title="Marina Chernish <zmiy.maryna@gmail.com>"> <span class="fn">Marina Chernish</span></a>
</span></b>
        <pre>Bastion game hangs with 17.3.1 mesa on Skylake. The newest 19.0.0 mesa works
well so I've bisected this. It was fixed by commit:

468a2b6525f3b1e950d8b14138ccf62227aab73a is the first fixed commit
commit 468a2b6525f3b1e950d8b14138ccf62227aab73a
Author: Jason Ekstrand <<a href="mailto:jason.ekstrand@intel.com">jason.ekstrand@intel.com</a>>
Date:   Mon Jan 22 23:40:48 2018 -0800

        i965/miptree: Add an aux_disabled parameter to render_aux_usage

        Only one of the callers of intel_miptree_render_aux_usage actually took
        brw->draw_aux_buffer_disabled into account.  This was causing us to
        ignore draw_aux_buffer_disabled for the intel_miptree_prepare_render.
        This isn't a problem because the draw_aux_buffer_disabled entry was set
        during texture preparation and we already did the resolve at that time.
        However, this also meant that the aux_usage we were passing to
        brw_cache_flush_for_render and brw_render_cache_add_bo was wrong so our
        automatic cache flushing around aux_usage changes wasn't happening.
        This was causing GPU hangs in Oxenfree.

        Bugzilla: <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [skl CCS] Oxenfree (unity engine game) hangs GPU"
   href="show_bug.cgi?id=104711">https://bugs.freedesktop.org/show_bug.cgi?id=104711</a>
        Bugzilla: <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [CCS] lemonbar-xft GPU hang"
   href="show_bug.cgi?id=104411">https://bugs.freedesktop.org/show_bug.cgi?id=104411</a>
        Bugzilla: <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - [KBL] Intel GPU hang with firefox"
   href="show_bug.cgi?id=104383">https://bugs.freedesktop.org/show_bug.cgi?id=104383</a>
        Fixes: ea0d2e98ecb369ab84e78c84709c0930ea8c293a
        Cc: <a href="mailto:mesa-stable@lists.freedesktop.org">mesa-stable@lists.freedesktop.org</a>
        Reviewed-by: Iago Toral Quiroga <<a href="mailto:itoral@igalia.com">itoral@igalia.com</a>>
        Reviewed-by: Kenneth Graunke <<a href="mailto:kenneth@whitecape.org">kenneth@whitecape.org</a>>
        (cherry picked from commit d38ec24f531fac0b53c406a09d17427309a3ffca)

My environment: Skylake kernel 4.15.0-34-generic; Ubuntu 18.04; CPU:Intel Core
i3-6006U; GPU: IntelĀ® HD Graphics 520.</pre>
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