<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 - Nouveau module loading regression in 4.4-rc1 on optimus system"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92991">92991</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Nouveau module loading regression in 4.4-rc1 on optimus system
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>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/nouveau
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>oliver@neukum.org
          </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=119903" name="attach_119903" title="lspci -vvv">attachment 119903</a> <a href="attachment.cgi?id=119903&action=edit" title="lspci -vvv">[details]</a></span>
lspci -vvv

I am seeing a short freeze of the system loading the nouveau module and then a
kernel error in syslog:

[  295.486823] nouveau 0000:01:00.0: enabling device (0000 -> 0003)
[  295.486851] nouveau 0000:01:00.0: NVIDIA GK104 (0e4360a2)
[  295.499666] nouveau 0000:01:00.0: bios: version 80.04.b1.00.03
[  295.499966] nouveau 0000:01:00.0: mxm: BIOS version 3.0
[  295.503015] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type
mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[  295.746220] nouveau 0000:01:00.0: fb: 4096 MiB GDDR5
[  295.812103] [TTM] Zone  kernel: Available graphics memory: 12164158 kiB
[  295.812105] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[  295.812105] [TTM] Initializing pool allocator
[  295.812109] [TTM] Initializing DMA pool allocator
[  295.812116] nouveau 0000:01:00.0: DRM: VRAM: 4096 MiB
[  295.812117] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[  295.812120] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
[  295.812121] nouveau 0000:01:00.0: DRM: DCB version 4.0
[  295.812122] nouveau 0000:01:00.0: DRM: DCB outp 03: 01075fd6 0f420020
[  295.812123] nouveau 0000:01:00.0: DRM: DCB outp 04: 01075f92 00020020
[  295.812124] nouveau 0000:01:00.0: DRM: DCB outp 05: 08014fc6 0f420010
[  295.812125] nouveau 0000:01:00.0: DRM: DCB outp 06: 08014f82 00020010
[  295.812126] nouveau 0000:01:00.0: DRM: DCB outp 08: 04038fb6 0f420010
[  295.812127] nouveau 0000:01:00.0: DRM: DCB outp 09: 04038f72 00020010
[  295.812128] nouveau 0000:01:00.0: DRM: DCB conn 04: 01000446
[  295.812129] nouveau 0000:01:00.0: DRM: DCB conn 05: 02000546
[  295.812130] nouveau 0000:01:00.0: DRM: DCB conn 07: 00010747
[  295.812131] nouveau 0000:01:00.0: DRM: DCB conn 08: 00020846
[  295.812132] nouveau 0000:01:00.0: DRM: DCB conn 09: 00000900
[  295.830519] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[  295.830521] [drm] Driver supports precise vblank timestamp query.
[  296.026589] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[  297.565049] SFW2-INext-DROP-DEFLT IN=enp0s25 OUT=
MAC=6c:3b:e5:8c:99:ec:00:1c:4a:86:25:6a:08:00 SRC=192.168.234.1
DST=192.168.234.102 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=6751 DF PROTO=TCP
SPT=4739 DPT=14013 WINDOW=5840 RES=0x00 SYN URGP=0 OPT
(020405B40402080A020ABC300000000001030301) 
[  298.474076] nouveau 0000:01:00.0: gr: wait for idle timeout (en: 1, ctxsw:
0, busy: 1)
[  300.473977] nouveau 0000:01:00.0: gr: wait for idle timeout (en: 1, ctxsw:
0, busy: 1)
[  302.473878] nouveau 0000:01:00.0: gr: wait for idle timeout (en: 1, ctxsw:
0, busy: 1)
[  304.473781] nouveau 0000:01:00.0: gr: wait for idle timeout (en: 1, ctxsw:
0, busy: 1)
[  306.473761] nouveau 0000:01:00.0: timeout at
drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c:1365/gf100_grctx_generate()!
[  306.473775] nouveau 0000:01:00.0: gr: failed to construct context
[  306.473778] nouveau 0000:01:00.0: gr: init failed, -16
[  306.476140] nouveau 0000:01:00.0: DRM: allocated 1680x1050 fb: 0x60000, bo
ffff88068c051400
[  306.476221] nouveau 0000:01:00.0: fb1: nouveaufb frame buffer device
[  306.476226] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on
minor 1</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>