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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0, bcs0, vcs0, vecs0, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=107017">107017</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0, bcs0, vcs0, vecs0, action: reset
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

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

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

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

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

        <tr>
          <th>Severity</th>
          <td>critical
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>alexandref75@gmail.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=140304" name="attach_140304" title="Crash file extrated from /sys/class/drm/card0/error">attachment 140304</a> <a href="attachment.cgi?id=140304&action=edit" title="Crash file extrated from /sys/class/drm/card0/error">[details]</a></span>
Crash file extrated from /sys/class/drm/card0/error

On 4.18.0-rc2 and rc1 this error occurs during kernel boot:
[    0.342047] [drm] VT-d active for gfx access
[    0.342049] fb: switching to inteldrmfb from EFI VGA
[    0.342092] [drm] Replacing VGA console driver
[    0.342835] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    0.342835] [drm] Driver supports precise vblank timestamp query.
[    0.343538] [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin
(v1.27)
[    0.343787] [drm] Disabling framebuffer compression (FBC) to prevent screen
flicker with VT-d enabled
[    4.801171] [drm] GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0,
bcs0, vcs0, vecs0, action: reset
[    4.801172] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[    4.801172] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[    4.801173] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[    4.801173] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[    4.801173] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[   10.817596] [drm] Initialized i915 1.6.0 20180514 for 0000:00:02.0 on minor
0
[   10.847297] fbcon: inteldrmfb (fb0) is primary device
[   10.927807] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[   11.207607] ata1.00: supports DRM functions and may not be fully accessible
[   11.210268] ata1.00: supports DRM functions and may not be fully accessible

Kernel 4.17.X all boots fine. The GPU crash file is attached.</pre>
        </div>
      </p>


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