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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BSW] GPU hang at the second cycle to execute S4 command"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86697#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BSW] GPU hang at the second cycle to execute S4 command"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86697">bug 86697</a>
from <span class="vcard"><a class="email" href="mailto:wendy.wang@intel.com" title="wendy.wang@intel.com">wendy.wang@intel.com</a>
</span></b>
<pre>(In reply to Ville Syrjala from <a href="show_bug.cgi?id=86697#c11">comment #11</a>)
<span class="quote">> Based on the error state it just hung on the first command it tried to
> execute from the blitter ring, which in this case was an LRI. So the CS
> seems pretty much dead here if even a simple LRI doesn't work.
>
> What does 'intel_reg_read 0x9400' say?</span >
After GPU hang, checked as below:
root@x-bsw03:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tools# intel_reg_read
0x9400
0x9400 : 0x80</pre>
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