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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - drm_wait_one_vblank warnings"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89108">89108</a>
</td>
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<th>Summary</th>
<td>drm_wait_one_vblank warnings
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>x86 (IA32)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sitsofe@yahoo.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=113413" name="attach_113413" title="EeePC dmesg">attachment 113413</a> <a href="attachment.cgi?id=113413&action=edit" title="EeePC dmesg">[details]</a></span>
EeePC dmesg
Description of the problem:
When I boot up a v3.19 kernel on my EeePC 900 I get various drm_wait_one_vblank
warnings.
Steps to reproduce:
1. Boot a v3.19 Linux kernel on an EeePC 900.
Expected results:
No warnings
Actual results:
Warnings like:
[ 0.516749] WARNING: CPU: 0 PID: 10 at drivers/gpu/drm/drm_irq.c:1121
drm_wait_one_vblank+0x138/0x170()
[ 0.516754] vblank not available on crtc 0, ret=-22
How reproducible is the problem?
It is reproducible every time.
Additional information:
Might be related to <a href="https://lkml.org/lkml/2015/1/31/198">https://lkml.org/lkml/2015/1/31/198</a> .
Version information:
Ubuntu 14.04
EeePC 900
xorg 1:7.7+1ubuntu8
xserver-xorg 1:7.7+1ubuntu8
xserver-xorg-video-intel 2:2.99.910-0ubuntu1.4
Linux kernel 3.19</pre>
</div>
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