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      <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 - plasmashell segfault in nouveau_dri.so"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=99581">99581</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>plasmashell segfault in nouveau_dri.so
          </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>blocker
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>libdrm
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>dri-devel@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ken20001@ukr.net
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=129201" name="attach_129201" title="Xorg log file">attachment 129201</a> <a href="attachment.cgi?id=129201&action=edit" title="Xorg log file">[details]</a></span>
Xorg log file

After logging in in KDE session I see only desktop wallpaper and nothing more.
Nothing happens later: looks like system is stopped. But in VT I found that
plasmashell is crashed and that was the reason of that unusual behavior in my
system:

~$ dmesg | grep -i error
[   80.251695] plasmashell[1971]: segfault at 0 ip 00007fdb276e07c6 sp
00007fff907d9570 error 4 in nouveau_dri.so[7fdb27181000+a3e000]

$ lspci | grep -i vga
04:00.0 VGA compatible controller: NVIDIA Corporation NV43 [GeForce 6600 GT]
(rev a2)

$ uname -a
Linux desktop 4.9.6-040906-generic #201701260330 SMP Thu Jan 26 08:32:10 UTC
2017 x86_64 x86_64 x86_64 GNU/Linux

I checked on Kubuntu 16.04.1LTS with distro's Mesa and with the latest git from
oibaf PPA.

plasma-desktop: 5.8.5-0ubuntu1~ubuntu16.04~ppa1
xserver-xorg-video-nouveau: 1.0.13+git1701262001.1516d3~gd~x / 1.0.12-1build2
libdrm-nouveau2: 2.4.75+git1701280630.d4b834~gd~x / 2.4.67-1 / 2.4.68-1~ppa
OpenGL version string: 2.1 Mesa 17.1.0-devel / Mesa 11.2.0</pre>
        </div>
      </p>


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