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<body><span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Blank screen after locking and vt-switch"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110863">bug 110863</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">i915 features</td>
<td>
</td>
<td>display/Other
</td>
</tr>
<tr>
<td style="text-align:right;">i915 platform</td>
<td>
</td>
<td>BDW, IVB
</td>
</tr>
<tr>
<td style="text-align:right;">Whiteboard</td>
<td>
</td>
<td>Triaged
</td>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>NEEDINFO
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Blank screen after locking and vt-switch"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110863#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Blank screen after locking and vt-switch"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110863">bug 110863</a>
from <span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span></b>
<pre><span class="quote">> Unfortunately, on setups with Intel adapters (of various generations, I
> personnaly reproduced on a ThinkPad X250 with Broadwell and Thinkpad X230
> with Ivy Bridge) when the screen is then shut down (for power saving or
> because of a suspend), the screen doesn't turn back on when moving the mouse
> or entering keys.
> </span >
Have you tried to verify the issue with drmtip?
Can you please attach the dmesg from boot with kernel parameters drm.debug=0x1e
log_buf_len=4M?</pre>
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