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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GLK-RVP]HDA verb command response timedout; board to board variation with same S/W"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102937">102937</a>
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<th>Summary</th>
<td>[GLK-RVP]HDA verb command response timedout; board to board variation with same S/W
</td>
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<th>Product</th>
<td>DRI
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>critical
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>abhay.kumar@intel.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<pre>1. Environment
GLK-RVP2C/GLK-RVP2D, Chrome OS.
During Probe, we are observing "HDA verb commands response
getting timedout
When HDMI is connected then it works fine and in absence it works on some board
and not on some board.
2. Expected Behavior
HDA verb commands should not timeout.
3. Actual Behavior
HDA verb commands getting timeout.
As timeout occurring, codec probe failed. Because of this, sound card not
created and hence Audio fails
power well registers are same in passing and fail usecase.
localhost ~ # intel_reg read 0x45404
Warning: stat '/usr/share/intel-gpu-tools/registers' failed: No such file or
directory. Using builtin register spec.
(0x00045404): 0xf03f000c
localhost ~ # intel_reg read 0x45405
Warning: stat '/usr/share/intel-gpu-tools/registers' failed: No such file or
directory. Using builtin register spec.
(0x00045405): 0xffffffff
localhost ~ # intel_reg read 0x45406
Warning: stat '/usr/share/intel-gpu-tools/registers' failed: No such file or
directory. Using builtin register spec.
(0x00045406): 0xffffffff
localhost ~ # intel_reg read 0x45407
Warning: stat '/usr/share/intel-gpu-tools/registers' failed: No such file or
directory. Using builtin register spec.
(0x00045407): 0xffffffff</pre>
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