[Nouveau] [Bug 111110] New: Nvidia quadro + nouveau : second terminal wake up but doesn't more display

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111110

            Bug ID: 111110
           Summary: Nvidia quadro + nouveau : second terminal wake up but
                    doesn't more display
           Product: Mesa
           Version: 19.1
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: conde.philippe at skynet.be
        QA Contact: nouveau at lists.freedesktop.org

Created attachment 144764
  --> https://bugs.freedesktop.org/attachment.cgi?id=144764&action=edit
output of dmesg

I have a OpenSUSE tumbleweed system with a nvidia quadro K4200 on which 2
screens are connected 
- one on the DVI port
- the second on the display port 1 (DP1)
the two screens use resolution 1920*1080 and are defined as a  virtual screen
of 3480*1080.
I use nouveau as driver; DE is KDE

This worked form years without problem. After installation of snapshot 20190708
I rebooted and the second screen doesn't more display anything.

in journalctl I find this error
Jul 11 08:30:04 hpprol2 kernel: nouveau 0000:0a:00.0: disp: outp 03:0006:0f42:
training failed

The second screens wake up on some action (boot, starting xorg, login etc...)
but after some seconds display " Display port: no signal"

As requested by OpenSUSE support I installed the last kernel , Mesa et
xf86-video-nouveau

rpm -qa Mesa*
Mesa-libGL1-19.1.2-977.1.x86_64
Mesa-KHR-devel-19.1.2-977.1.x86_64
Mesa-libGL-devel-19.1.2-977.1.x86_64
Mesa-gallium-32bit-19.1.2-977.1.x86_64
Mesa-libGL1-32bit-19.1.2-977.1.x86_64
Mesa-libGLESv2-2-19.1.1-223.1.x86_64
Mesa-libva-19.1.1-223.1.x86_64
Mesa-19.1.2-977.1.x86_64
Mesa-dri-19.1.2-977.1.x86_64
Mesa-libglapi0-19.1.1-223.1.x86_64
Mesa-libEGL1-19.1.2-977.1.x86_64
Mesa-gallium-19.1.2-977.1.x86_64
Mesa-demo-x-8.4.0-1.6.x86_64
Mesa-dri-nouveau-19.1.2-977.1.x86_64
Mesa-dri-32bit-19.1.2-977.1.x86_64
Mesa-libEGL1-32bit-19.1.1-223.1.x86_64
Mesa-32bit-19.1.2-977.1.x86_64
Mesa-libEGL-devel-19.1.2-977.1.x86_64
Mesa-libglapi0-32bit-19.1.1-223.1.x86_64

uname -a
Linux hpprol2 5.2.0-2.gfd43abf-default #1 SMP Thu Jul 11 05:19:05 UTC 2019
(fd43abf) x86_64 x86_64 x86_64 GNU/Linux

rpm -qa xf86-video-nouveau
xf86-video-nouveau-1.0.15-40.11.x86_64

The problem remains. I attach here the output of dmesg.

See also https://bugzilla.opensuse.org/show_bug.cgi?id=1141041

Regards
Philippe Condé

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