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    <head>
      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - weston [i915?] intel_do_flush_locked failed: Invalid argument"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=66415">66415</a>
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>wayland-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>weston [i915?] intel_do_flush_locked failed: Invalid argument
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>min2@mail.mailinator.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>weston
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Wayland
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=81764" name="attach_81764" title="weston output">attachment 81764</a> <a href="attachment.cgi?id=81764&action=edit" title="weston output">[details]</a></span>
weston output

When start
               [23:15:24.555] launching
'/home/m/wayland-bleeding/install/libexec/weston-desktop-s$
               intel_do_flush_locked failed: Invalid argument
               child 13400 exited
               [Inferior 1 (process 13344) exited with code 01]
               (gdb) bt



Steps to reproduce:
1. Use DRM or X11 backend
2. Start compositor
or
2. Start compositor, any application eg weston-terminal
or
2. Use the compositor for a while 

Actual result:
Visual artifacts, the compositor crashes

Expected result:
No visual artifacts, the compositor runs

166aeaa411ab61fffedb9dc94b258298589ff769 is the first bad commit

Configuration:

atk:                 ATK_2_7_4-3-g689619a
cairo:               1.12.8
drm:                 libdrm-2.4.45-7-ga0178c0
fontconfig:          2.10.91-19-gfb3b410
glib:                2.35.4-59-g82f2ee9
gtk+:                3.7.12-194-gcc70ac1
kmscon:              kmscon-7-42-g4e0b981
libxcb:              1.9
libxkbcommon:        xkbcommon-0.2.0-28-g852d920
mesa:                snb-magic-16716-g15085b4
mtdev:               e5eb274
pango:               1.32.6-5-g4701908
pixman:              pixman-0.28.0-47-g480dd38
wayland:             1.1.0-28-gee0d986
weston:              1.1.0-244-g166aeaa
xf86-video-intel:    17903c4
xf86-video-wlshm:    a24a410
xorg-server:         7edffdf</pre>
        </div>
      </p>
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