<html>
    <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 - nouveau crash/freeze [MULTIPLE_WARP_ERRORS] warp 3f0009 [ILLEGAL_INSTR_ENCODING]"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=107829">107829</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>nouveau crash/freeze [MULTIPLE_WARP_ERRORS] warp 3f0009 [ILLEGAL_INSTR_ENCODING]
          </td>
        </tr>

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

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

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

        <tr>
          <th>Assignee</th>
          <td>nouveau@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>sassmann@redhat.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team@lists.x.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=141458" name="attach_141458" title="dmesg.txt">attachment 141458</a> <a href="attachment.cgi?id=141458&action=edit" title="dmesg.txt">[details]</a></span>
dmesg.txt

After an arbitrary amount of time of working in the terminal the screen hard
freezes.
External monitor is connected via DisplayPort on Lenovo Dock.

dmesg then shows:
[172362.507754] nouveau 0000:01:00.0: gr: TRAP ch 6 [00ff396000 Xorg[4075]]
[172362.507767] nouveau 0000:01:00.0: gr: GPC0/TPC1/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3f0009 [ILLEGAL_INSTR_ENCODING]
[172362.507775] nouveau 0000:01:00.0: gr: GPC0/TPC2/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3f0009 [ILLEGAL_INSTR_ENCODING]
[172362.507782] nouveau 0000:01:00.0: gr: GPC0/TPC3/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3c0009 [ILLEGAL_INSTR_ENCODING]
[172362.507805] nouveau 0000:01:00.0: gr: TRAP ch 6 [00ff396000 Xorg[4075]]
[172362.507815] nouveau 0000:01:00.0: gr: GPC0/TPC1/MP trap: global 00000000 []
warp 3e0009 [ILLEGAL_INSTR_ENCODING]
[172362.507823] nouveau 0000:01:00.0: gr: GPC0/TPC2/MP trap: global 00000000 []
warp 3e0009 [ILLEGAL_INSTR_ENCODING]
[172362.507830] nouveau 0000:01:00.0: gr: GPC0/TPC3/MP trap: global 00000000 []
warp 3d0009 [ILLEGAL_INSTR_ENCODING]
[172362.517638] nouveau 0000:01:00.0: gr: TRAP ch 6 [00ff396000 Xorg[4075]]
[172362.517651] nouveau 0000:01:00.0: gr: GPC0/TPC1/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3d0009 [ILLEGAL_INSTR_ENCODING]
[172362.517658] nouveau 0000:01:00.0: gr: GPC0/TPC2/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3d0009 [ILLEGAL_INSTR_ENCODING]
[172362.517665] nouveau 0000:01:00.0: gr: GPC0/TPC3/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3f0009 [ILLEGAL_INSTR_ENCODING]
[172362.517685] nouveau 0000:01:00.0: gr: TRAP ch 6 [00ff396000 Xorg[4075]]
[172362.517695] nouveau 0000:01:00.0: gr: GPC0/TPC1/MP trap: global 00000000 []
warp 3c0009 [ILLEGAL_INSTR_ENCODING]
[172362.517702] nouveau 0000:01:00.0: gr: GPC0/TPC2/MP trap: global 00000000 []
warp 3c0009 [ILLEGAL_INSTR_ENCODING]
[172362.517711] nouveau 0000:01:00.0: gr: GPC0/TPC3/MP trap: global 00000000 []
warp 3e0009 [ILLEGAL_INSTR_ENCODING]
[172362.534375] nouveau 0000:01:00.0: gr: TRAP ch 6 [00ff396000 Xorg[4075]]
[172362.534387] nouveau 0000:01:00.0: gr: GPC0/TPC1/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3f0009 [ILLEGAL_INSTR_ENCODING]
[172362.534394] nouveau 0000:01:00.0: gr: GPC0/TPC2/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3f0009 [ILLEGAL_INSTR_ENCODING]
[172362.534399] nouveau 0000:01:00.0: gr: GPC0/TPC3/MP trap: global 00000004
[MULTIPLE_WARP_ERRORS] warp 3d0009 [ILLEGAL_INSTR_ENCODING]
Reboot is required at this point. Happens regularly, sometimes after few hours,
sometimes after 1-2 days.

Hardware: Lenovo P50 running Fedora 28 4.17.19-200.fc28.x86_64
xorg-x11-drv-nouveau-1.0.15-4.fc28.x86_64
mesa-dri-drivers-18.0.5-3.fc28.x86_64

01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM107GLM [Quadro
M1000M] [10de:13b1] (rev a2) (prog-if 00 [VGA controller])
        Subsystem: Lenovo Device [17aa:2230]
        Flags: bus master, fast devsel, latency 0, IRQ 131
        Memory at b2000000 (32-bit, non-prefetchable) [size=16M]
        Memory at a0000000 (64-bit, prefetchable) [size=256M]
        Memory at b0000000 (64-bit, prefetchable) [size=32M]
        I/O ports at 4000 [size=128]
        Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [60] Power Management version 3
        Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [78] Express Endpoint, MSI 00
        Capabilities: [100] Virtual Channel
        Capabilities: [250] Latency Tolerance Reporting
        Capabilities: [258] L1 PM Substates
        Capabilities: [128] Power Budgeting <?>
        Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024
<?>
        Capabilities: [900] #19
        Kernel driver in use: nouveau
        Kernel modules: nouveau</pre>
        </div>
      </p>


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