<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [ BYT regression]Doom3 fail to run with libGL error"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=88862">88862</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[ BYT regression]Doom3 fail to run with libGL error
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr>

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

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

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

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

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

        <tr>
          <th>Priority</th>
          <td>high
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Drivers/DRI/i965
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>idr@freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>yex.tian@intel.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-3d-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=112934" name="attach_112934" title="Xorg info">attachment 112934</a> <a href="attachment.cgi?id=112934&action=edit" title="Xorg info">[details]</a></span>
Xorg info

System Environment:       
--------------------------------------------------------------
Kernel:  (drm-intel-nightly)70438b51bdd44180b83f10591c3bdc1832d11dc2
Libdrm:  (master)libdrm-2.4.59-6-g28ee135a37e10b9a6cd62d67df0332e38ee0b85c
Mesa:    (master)6ee5effac1ac8858c96820ece352be57c5c53cf6
Xserver:
(master)xorg-server-1.16.99.902-3-gdf1b401f57ad4b4925bad66684445b476562f26f
Xf86_video_intel: (master)2.99.917-60-g4bbd1023675f4724bd17de50dd750514626104bf
Cairo:   (master)cca8b1960b0091c53235d9dc4cde8a33010c5bbf
Libva:   (master)f9741725839ea144e9a6a1827f74503ee39946c3
Libva_intel_driver: (master)3d16cf07b6b65b9bd5c2dd855d97558264a12e79

Bug detailed description:
--------------------------------------------------
Doom3 fail to run with libGL error on BYT.
Error information: 
----- R_InitOpenGL -----
Setup X display connection
dlopen(libGL.so.1)
Initializing OpenGL display
Using XFree86-VidModeExtension Version 2.2
DGA DirectVideo Mouse (Version 2.0) initialized
Free86-VidModeExtension Activated at 1920x1080
libGL error: unable to load driver: i965_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver: i965
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
Using 8/8/8 Color bits, 8 Alpha bits, 24 depth, 8 stencil display.
Fatal X Error:
  Major opcode of failed request: 153
  Minor opcode of failed request: 3
  Serial number of failed request: 50
BadValue (integer parameter out of range for operation)
Fatal X Error:
  Major opcode of failed request: 153
  Minor opcode of failed request: 5
  Serial number of failed request: 52
GLXBadContext
Fatal X Error:
  Major opcode of failed request: 153
  Minor opcode of failed request: 26
  Serial number of failed request: 52
0
GL_RENDERER: (null)
GL_EXTENSIONS: (null)
It’s mesa regression, I found the good commit and bad commit as below, note:
first bad commit can not provide as several commits cannot make pass in the
bisect progress.
Good commit: (master)bc6e57e019bd2399a70acabcad21217aadf2944c
Bad  commit: (master)461103ef64858e9d81073fad1bd8222b70b2754b

Please see Xrog.

Reproduce steps:
----------------------------
1, xinit& 
2, gnome-session&
3, vblank_mode=0 ./doom.x86 +exec doom3-pts.cfg +set sys_VideoRam 64 +set
r_mode -1 +timedemoquit demo1 +set  r_customWidth 1920 +set r_customHeight 1080
+set com_machineSpec 1</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the QA Contact for the bug.</li>
      </ul>
    </body>
</html>