Nouveau - Apr 2011 - [Bug 36142] New: Second DVI output produces no signal with nVidia G96 [Quadro FX 380] (rev a1)

https://bugs.freedesktop.org/show_bug.cgi?id=36142

           Summary: Second DVI output produces no signal with nVidia G96
                    [Quadro FX 380] (rev a1)
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: jordanb at hafd.org
         QAContact: xorg-team at lists.x.org


Created an attachment (id=45489)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=45489)
xorg.0.log

I have verified that this is not a problem with the cable nor the monitor (all
combinations of monitor and cable work when plugged into DVI-1 and none work
when plugged into DVI-2)

xrandr sees the second monitor and detects its make and optimal resolution
properly:

jrb at shiloh:~$ xrandr
Screen 0: minimum 320 x 200, current 2560 x 1024, maximum 8192 x 8192
DVI-I-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis)
376mm x 301mm
   1280x1024      60.0*+   75.0  
   1280x960       60.0  
   1152x864       75.0  
   1280x720       60.0  
   1024x768       75.1     70.1     66.0     60.0  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        72.8     75.0     66.7     60.0  
   720x400        70.1  
DVI-I-2 connected 1280x1024+1280+0 (normal left inverted right x axis y axis)
338mm x 270mm
   1280x1024      60.0*+
   1280x960       60.0  
   1152x864       75.0  
   1024x768       75.1     70.1     60.0  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        72.8     75.0     66.7     60.0  
   720x400        70.1  
jrb at shiloh:~$ 

But the monitor (either monitor) reports "no signal" when plugged into
DVI-2.

Here is

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--- Comment #1 from Jordan Bettis <jordanb at hafd.org> 2011-04-11
14:30:50 PDT ---
Created an attachment (id=45490)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=45490)
lspci -vvnn

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--- Comment #2 from Jordan Bettis <jordanb at hafd.org> 2011-04-11
14:31:09 PDT ---
Created an attachment (id=45491)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=45491)
dmesg

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Jordan Bettis <jordanb at hafd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #45490|application/octet-stream    |text/plain
          mime type|                            |

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Jordan Bettis <jordanb at hafd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #45491|application/octet-stream    |text/plain
          mime type|                            |

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--- Comment #3 from Jordan Bettis <jordanb at hafd.org> 2011-04-11
17:42:02 PDT ---
Hi.

FYI the second DVI output works with the blob, so this is clearly not a
hardware issue.

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--- Comment #4 from Michal Mocny <mmocny at gmail.com> 2011-07-13 12:31:28
PDT ---
I am experiencing the same issue with the same video card.

I am running x-edgers ubuntu ppa version of nouveau:

xserver-xorg-video-nouveau:
  Installed: 1:0.0.16+git20110214.46acb7e0-0ubuntu0sarvatt2~maverick
  Candidate: 1:0.0.16+git20110214.46acb7e0-0ubuntu0sarvatt2~maverick

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--- Comment #5 from daniel.nicoara at gmail.com 2011-07-27 08:15:26 PDT ---
I'm seeing the same problem with the exact same hardware. However, if I boot
off the Ubuntu Natty live CD, I get output to both monitors correctly. 

I've also experimented with the live CD and tried booting from it, but
having
the ISO on one of my partitions and have grub boot off the ISO. In this case I
don't get multiple monitors even though it's the exact same ISO. This
makes me
think it's a timing issue.

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--- Comment #6 from Andreas Bierfert <andreas.bierfert at lowlatency.de>
2011-11-13 13:19:13 PST ---
Same here. See https://bugzilla.redhat.com/show_bug.cgi?id=744899 as a
reference.

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--- Comment #7 from Maarten Maathuis <madman2003 at gmail.com> 2011-11-13
22:57:47 PST ---
You might consider getting some logs with drm.debug=6 (kernel parameter)

This will give you driver specific tracing and kms tracing.

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--- Comment #8 from Maarten Maathuis <madman2003 at gmail.com> 2011-11-13
23:00:48 PST ---
FYI drm.debug=1 is only the default tracing (lot's of ioctl messages!), 2 is
driver information, 4 is kms information, they are a bitmask, so
3=normal+driver and 5=normal+kms

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #9 from Ilia Mirkin <imirkin at alum.mit.edu> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty
good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your
distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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