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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>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - AMDgpu freeze results in color corruption (red artifacts) in X on every subsequent boot"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=99215">99215</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>AMDgpu freeze results in color corruption (red artifacts) in X on every subsequent boot
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>git
          </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>normal
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>Driver/AMDgpu
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>xorg-driver-ati@lists.x.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>chewi@gentoo.org
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team@lists.x.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>This is a weird one. I was playing the Talos Principle while hacking xboxdrv to
support the Steam Controller. While switching windows, it got into an odd state
and the whole display froze. I was able to ssh in from another machine and
issue a reboot but after losing contact, it didn't actually reboot. I hit the
power button.

When X came back up, it had weird red artifacts all over the place. It's hard
to describe so here's a screenshot.

<a href="https://aura-online.co.uk/~chewi/red.png">https://aura-online.co.uk/~chewi/red.png</a>

I tried rebooting again. Same thing. I'm on Gentoo so I tried
upgrading/downgrading various things but nothing has made any difference. I was
then notified of a Gentoo forum thread where another user had encountered the
same thing following some kind of crash or freeze in QuDos (Quake 2). This is
his screenshot.

<a href="https://s24.postimg.org/lbh9ah339/screenshot_20161223_110633.png">https://s24.postimg.org/lbh9ah339/screenshot_20161223_110633.png</a>

The only thing I upgraded since the previous reboot that could possibly be
related was LLVM from 3.9.0 to 3.9.1. I haven't downgraded that because it
takes ages to build and I doubt that is the cause.

I have fired up the Talos Principle again in the hope that it would knock
things back into the shape. The game looks fine but the desktop remains
unchanged.

I tried firing up Weston (which I don't normally use) and it didn't show the
same corruption when I launched Thunar. That may be a red herring. Excuse the
pun. :)

linux: 4.9 (and 4.8.14)
xorg-server: 1.18.4
xf86-video-amdgpu: b5c189473d (and 1.2.0)
libdrm: eebefaf72c (and 2.4.74)
llvm: 3.9.1
mesa: 13.0.2</pre>
        </div>
      </p>


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