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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SKL] Unigine Heaven 4.0 fails to GPU hangs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103556#c17">Comment # 17</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SKL] Unigine Heaven 4.0 fails to GPU hangs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103556">bug 103556</a>
from <span class="vcard"><a class="email" href="mailto:lionel.g.landwerlin@linux.intel.com" title="Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>"> <span class="fn">Lionel Landwerlin</span></a>
</span></b>
<pre>(In reply to Eero Tamminen from <a href="show_bug.cgi?id=103556#c16">comment #16</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=143723" name="attach_143723" title="SKL GT4e error state (drm-tip 5.0 kernel, Mesa 158d45db0c)">attachment 143723</a> <a href="attachment.cgi?id=143723&action=edit" title="SKL GT4e error state (drm-tip 5.0 kernel, Mesa 158d45db0c)">[details]</a></span>
> SKL GT4e error state (drm-tip 5.0 kernel, Mesa 158d45db0c)
>
> During last 4 nights, with 3 runs of Heaven each day:
> - with different kernel upstream commits, rest of gfx stack 2 weeks old
> - with latest Mesa upstream commits (rest of gfx stack 2 weeks old)
> - whole gfx stack using latest upstream commits
>
> Each of these setups had 1 Heaven GPU hang, out of total 12 runs.
> => Mesa TS/GS perf fix not relevant for hangs
>
>
> (In reply to Lionel Landwerlin from <a href="show_bug.cgi?id=103556#c12">comment #12</a>)
> > Created <span class=""><a href="attachment.cgi?id=143681" name="attach_143681" title="i965: align 3DSTATE_TE emission on 3DSTATE_DS/GS">attachment 143681</a> <a href="attachment.cgi?id=143681&action=edit" title="i965: align 3DSTATE_TE emission on 3DSTATE_DS/GS">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=103556&attachment=143681'>[review]</a> [review] [review]
> > i965: align 3DSTATE_TE emission on 3DSTATE_DS/GS
> >
> > Thanks for the error states Eero.
> > Can I bother you with running this simple patch? Might fix it, not sure...
>
> 21 successive rounds of Heaven went without hangs so it looks good, but I
> don't know whether there's some pre-condition before the hang happens.</span >
No quite sure how to read you comment.
You still to still get a hang even with that patch?
This last error state is really interesting. The first draw call in there
doesn't have 3DSTATE_TE programmed. This patch should have fixed that.
If this happened with the patch, it means something else is wrong.</pre>
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