Nouveau - Oct 2015 - [Bug 92327] New: Tearing and drm_wait_vblank kernel log spam with reverse PRIME (intel+nouveau)

https://bugs.freedesktop.org/show_bug.cgi?id=92327

            Bug ID: 92327
           Summary: Tearing and drm_wait_vblank kernel log spam with
                    reverse PRIME (intel+nouveau)
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: mschiffer+misc at universe-factory.net
        QA Contact: xorg-team at lists.x.org

Setup: I use reverse PRIME with a primary intel and a secondary nouveau card. I
have enabled one output on each of the cards. The reverse PRIME (nouveau)
output is set as primary output via xrandr.

Whenever there's a DRI user on the reverse PRIME screen, the following
message
gets written to my kernel log once for each buffer swap:

[drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x7d, supported mask
0x7400003f

Both DRI2 and DRI3 cause this behaviour. I also see tearing on the nouveau
output.

Depending on the exact setup (DRI2/DRI3, different DRI users), I also get
slightly different messages:

[drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x15d, supported
mask 0x7400003f
[drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x400015d, supported
mask 0x7400003f


Hardware:

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF119M [Quadro NVS 4200M]
(rev a1)

Software:

* xserver 1.17.2
* xf86-video-intel 2.99.917-476-g4e668dd
* xf86-video-nouveau 1.0.11-31-g1ff13a9


I opened a bug report for the kernel first (see
https://bugzilla.kernel.org/show_bug.cgi?id=105601 ), but was told that this is
a userspace bug.

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https://bugs.freedesktop.org/show_bug.cgi?id=92327

--- Comment #1 from Fredy Neeser <nfd at zurich.ibm.com> ---
Same issue here on Fedora 22 with intel (LVDS) + nouveau (ext. monitor):

https://bugzilla.redhat.com/show_bug.cgi?id=1243432
Bug 1243432 - KDE 5 dual monitor setup with intel+nouveau drivers causes
journal to be flooded with errors "[drm:drm_wait_vblank [drm]] *ERROR*
Unsupported type value ..."

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https://bugs.freedesktop.org/show_bug.cgi?id=92327

Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #2 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
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https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/222.

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