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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW Regression]igt/kms_setmode/clone-exclusive-crtc causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78374">78374</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[HSW Regression]igt/kms_setmode/clone-exclusive-crtc causes system hang
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr></table>
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<pre>*System Environment:
--------------------------
Regression: Yes.
This case was failed before (<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW]igt/kms_setmode/clone-exclusive-crtc fail"
href="show_bug.cgi?id=68463">Bug 68463</a>)
Non-working platforms: HSW
*kernel:
--------------------------
-nightly: 30c8c9cd8bc88d6ae70f09d403e725b51e0bd7dd (fails)
-queued: bf67a6fd5ef8ef7f6a8548bc9a6441b290bf2752 (fails)
Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Fri May 2 11:35:51 2014 +0300
drm/i915/chv: Add DPINVGTT registers defines for Cherryview
Due to Pipe C DPINVGTT has more bits on CHV.
v2: Fix comment to say VLV/CHV (Rafael)
Reviewed-by: Rafael Barbalho <<a href="mailto:rafael.barbalho@intel.com">rafael.barbalho@intel.com</a>>
Signed-off-by: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
-fixes: 0aa7de323a32ca0b27769901b9607fc892b90dbc (fails)
Author: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
Date: Tue May 6 14:56:52 2014 +0300
drm/i915: use lane count and link rate from VBT as minimums for eDP
Most likely the minimums for both should be enough for enabling the
native resolution on the eDP, and we'll end up using the predetermined
optimal link config for the panel.
v2: Add debug prints.
Bugzilla: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [Haswell regression] eDP panel blank screen: link train fails"
href="show_bug.cgi?id=73539">https://bugs.freedesktop.org/show_bug.cgi?id=73539</a>
Tested-by: Markus Blank-Burian <<a href="mailto:burian@muenster.de">burian@muenster.de</a>>
Reviewed-by: Damien Lespiau <<a href="mailto:damien.lespiau@intel.com">damien.lespiau@intel.com</a>>
Signed-off-by: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
*Bug detailed description:
-----------------------------
igt/kms_setmode/clone-exclusive-crtc causes system hang
unable to get dmesg due to the system was hang and the machine haven't serial
port.
Output:
./kms_setmode --run-subtest clone-exclusive-crtc
IGT-Version: 1.6-g4bd9fe6 (x86_64) (Linux:
3.14.0-rc7_drm-intel-next-queued_1bf70d_20140328+ x86_64)
Testing: clone-exclusive-crtc 2 connector combinations
Test id#1 CRTC count 2
CRTC[3] [Pipe A] Mode: 1920x1080@60Hz Connectors: eDP-1[10]
CRTC[5] [Pipe B] Mode: 640x480@60Hz Connectors: HDMI-A-1[18] (NC)
*Reproduce steps:
----------------------------
1. ./kms_setmode --run-subtest clone-exclusive-crtc</pre>
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